This is an automated email from the ASF dual-hosted git repository.

github-bot pushed a commit to branch asf-site
in repository https://gitbox.apache.org/repos/asf/datafusion.git


The following commit(s) were added to refs/heads/asf-site by this push:
     new 428e967285 Publish built docs triggered by 
5419ff5902dfb7a9a1099022fefe289bd5de71ec
428e967285 is described below

commit 428e967285db5af16ad9ee3d5cbded5508768019
Author: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
AuthorDate: Fri Dec 19 22:46:30 2025 +0000

    Publish built docs triggered by 5419ff5902dfb7a9a1099022fefe289bd5de71ec
---
 _sources/user-guide/configs.md.txt | 251 +++++++++++++++++++------------------
 searchindex.js                     |   2 +-
 user-guide/configs.html            |  84 +++++++------
 3 files changed, 171 insertions(+), 166 deletions(-)

diff --git a/_sources/user-guide/configs.md.txt 
b/_sources/user-guide/configs.md.txt
index 750543d0b5..c9222afe8c 100644
--- a/_sources/user-guide/configs.md.txt
+++ b/_sources/user-guide/configs.md.txt
@@ -63,131 +63,132 @@ SET datafusion.execution.target_partitions = '1';
 
 The following configuration settings are available:
 
-| key                                                                     | 
default                   | description                                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| ----------------------------------------------------------------------- | 
------------------------- | 
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 [...]
-| datafusion.catalog.create_default_catalog_and_schema                    | 
true                      | Whether the default catalog and schema should be 
created automatically.                                                          
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.catalog.default_catalog                                      | 
datafusion                | The default catalog name - this impacts what SQL 
queries use if not specified                                                    
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.catalog.default_schema                                       | 
public                    | The default schema name - this impacts what SQL 
queries use if not specified                                                    
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.catalog.information_schema                                   | 
false                     | Should DataFusion provide access to 
`information_schema` virtual tables for displaying schema information           
                                                                                
                                                                                
                                                                                
                                 [...]
-| datafusion.catalog.location                                             | 
NULL                      | Location scanned to load tables for `default` 
schema                                                                          
                                                                                
                                                                                
                                                                                
                       [...]
-| datafusion.catalog.format                                               | 
NULL                      | Type of `TableProvider` to use when loading 
`default` schema                                                                
                                                                                
                                                                                
                                                                                
                         [...]
-| datafusion.catalog.has_header                                           | 
true                      | Default value for `format.has_header` for `CREATE 
EXTERNAL TABLE` if not specified explicitly in the statement.                   
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.catalog.newlines_in_values                                   | 
false                     | Specifies whether newlines in (quoted) CSV values 
are supported. This is the default value for `format.newlines_in_values` for 
`CREATE EXTERNAL TABLE` if not specified explicitly in the statement. Parsing 
newlines in quoted values may be affected by execution behaviour such as 
parallel file scanning. Setting this to `true` ensures that newlines in values 
are parsed successfully, which  [...]
-| datafusion.execution.batch_size                                         | 
8192                      | Default batch size while creating new batches, it's 
especially useful for buffer-in-memory batches since creating tiny batches 
would result in too much metadata memory consumption                            
                                                                                
                                                                                
                      [...]
-| datafusion.execution.coalesce_batches                                   | 
true                      | When set to true, record batches will be examined 
between each operator and small batches will be coalesced into larger batches. 
This is helpful when there are highly selective filters or joins that could 
produce tiny output batches. The target batch size is determined by the 
configuration setting                                                           
                                [...]
-| datafusion.execution.collect_statistics                                 | 
true                      | Should DataFusion collect statistics when first 
creating a table. Has no effect after the table is created. Applies to the 
default `ListingTableProvider` in DataFusion. Defaults to true.                 
                                                                                
                                                                                
                          [...]
-| datafusion.execution.target_partitions                                  | 0  
                       | Number of partitions for query execution. Increasing 
partitions can increase concurrency. Defaults to the number of CPU cores on the 
system                                                                          
                                                                                
                                                                                
                [...]
-| datafusion.execution.time_zone                                          | 
NULL                      | The default time zone Some functions, e.g. `now` 
return timestamps in this time zone                                             
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.execution.parquet.enable_page_index                          | 
true                      | (reading) If true, reads the Parquet data page 
level metadata (the Page Index), if present, to reduce the I/O and number of 
rows decoded.                                                                   
                                                                                
                                                                                
                         [...]
-| datafusion.execution.parquet.pruning                                    | 
true                      | (reading) If true, the parquet reader attempts to 
skip entire row groups based on the predicate in the query and the metadata 
(min/max values) stored in the parquet file                                     
                                                                                
                                                                                
                       [...]
-| datafusion.execution.parquet.skip_metadata                              | 
true                      | (reading) If true, the parquet reader skip the 
optional embedded metadata that may be in the file Schema. This setting can 
help avoid schema conflicts when querying multiple parquet files with schemas 
containing compatible types but different metadata                              
                                                                                
                            [...]
-| datafusion.execution.parquet.metadata_size_hint                         | 
524288                    | (reading) If specified, the parquet reader will try 
and fetch the last `size_hint` bytes of the parquet file optimistically. If not 
specified, two reads are required: One read to fetch the 8-byte parquet footer 
and another to fetch the metadata length encoded in the footer Default setting 
to 512 KiB, which should be sufficient for most parquet files, it can reduce 
one I/O operation per [...]
-| datafusion.execution.parquet.pushdown_filters                           | 
false                     | (reading) If true, filter expressions are be 
applied during the parquet decoding operation to reduce the number of rows 
decoded. This optimization is sometimes called "late materialization".          
                                                                                
                                                                                
                             [...]
-| datafusion.execution.parquet.reorder_filters                            | 
false                     | (reading) If true, filter expressions evaluated 
during the parquet decoding operation will be reordered heuristically to 
minimize the cost of evaluation. If false, the filters are applied in the same 
order as written in the query                                                   
                                                                                
                             [...]
-| datafusion.execution.parquet.force_filter_selections                    | 
false                     | (reading) Force the use of RowSelections for filter 
results, when pushdown_filters is enabled. If false, the reader will 
automatically choose between a RowSelection and a Bitmap based on the number 
and pattern of selected rows.                                                   
                                                                                
                               [...]
-| datafusion.execution.parquet.schema_force_view_types                    | 
true                      | (reading) If true, parquet reader will read columns 
of `Utf8/Utf8Large` with `Utf8View`, and `Binary/BinaryLarge` with 
`BinaryView`.                                                                   
                                                                                
                                                                                
                              [...]
-| datafusion.execution.parquet.binary_as_string                           | 
false                     | (reading) If true, parquet reader will read columns 
of `Binary/LargeBinary` with `Utf8`, and `BinaryView` with `Utf8View`. Parquet 
files generated by some legacy writers do not correctly set the UTF8 flag for 
strings, causing string columns to be loaded as BLOB instead.                   
                                                                                
                    [...]
-| datafusion.execution.parquet.coerce_int96                               | 
NULL                      | (reading) If true, parquet reader will read columns 
of physical type int96 as originating from a different resolution than 
nanosecond. This is useful for reading data from systems like Spark which 
stores microsecond resolution timestamps in an int96 allowing it to write 
values with a larger date range than 64-bit timestamps with nanosecond 
resolution.                                    [...]
-| datafusion.execution.parquet.bloom_filter_on_read                       | 
true                      | (reading) Use any available bloom filters when 
reading parquet files                                                           
                                                                                
                                                                                
                                                                                
                      [...]
-| datafusion.execution.parquet.max_predicate_cache_size                   | 
NULL                      | (reading) The maximum predicate cache size, in 
bytes. When `pushdown_filters` is enabled, sets the maximum memory used to 
cache the results of predicate evaluation between filter evaluation and output 
generation. Decreasing this value will reduce memory usage, but may increase IO 
and CPU usage. None means use the default parquet reader setting. 0 means no 
caching.                       [...]
-| datafusion.execution.parquet.data_pagesize_limit                        | 
1048576                   | (writing) Sets best effort maximum size of data 
page in bytes                                                                   
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.execution.parquet.write_batch_size                           | 
1024                      | (writing) Sets write_batch_size in bytes            
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.execution.parquet.writer_version                             | 
1.0                       | (writing) Sets parquet writer version valid values 
are "1.0" and "2.0"                                                             
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.execution.parquet.skip_arrow_metadata                        | 
false                     | (writing) Skip encoding the embedded arrow metadata 
in the KV_meta This is analogous to the 
`ArrowWriterOptions::with_skip_arrow_metadata`. Refer to 
<https://docs.rs/parquet/53.3.0/parquet/arrow/arrow_writer/struct.ArrowWriterOptions.html#method.with_skip_arrow_metadata>
                                                                                
                                      [...]
-| datafusion.execution.parquet.compression                                | 
zstd(3)                   | (writing) Sets default parquet compression codec. 
Valid values are: uncompressed, snappy, gzip(level), lzo, brotli(level), lz4, 
zstd(level), and lz4_raw. These values are not case sensitive. If NULL, uses 
default parquet writer setting Note that this default setting is not the same 
as the default parquet writer setting.                                          
                          [...]
-| datafusion.execution.parquet.dictionary_enabled                         | 
true                      | (writing) Sets if dictionary encoding is enabled. 
If NULL, uses default parquet writer setting                                    
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.execution.parquet.dictionary_page_size_limit                 | 
1048576                   | (writing) Sets best effort maximum dictionary page 
size, in bytes                                                                  
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.execution.parquet.statistics_enabled                         | 
page                      | (writing) Sets if statistics are enabled for any 
column Valid values are: "none", "chunk", and "page" These values are not case 
sensitive. If NULL, uses default parquet writer setting                         
                                                                                
                                                                                
                     [...]
-| datafusion.execution.parquet.max_row_group_size                         | 
1048576                   | (writing) Target maximum number of rows in each row 
group (defaults to 1M rows). Writing larger row groups requires more memory to 
write, but can get better compression and be faster to read.                    
                                                                                
                                                                                
                  [...]
-| datafusion.execution.parquet.created_by                                 | 
datafusion version 51.0.0 | (writing) Sets "created by" property                
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.execution.parquet.column_index_truncate_length               | 64 
                       | (writing) Sets column index truncate length            
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| datafusion.execution.parquet.statistics_truncate_length                 | 64 
                       | (writing) Sets statistics truncate length. If NULL, 
uses default parquet writer setting                                             
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.execution.parquet.data_page_row_count_limit                  | 
20000                     | (writing) Sets best effort maximum number of rows 
in data page                                                                    
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.execution.parquet.encoding                                   | 
NULL                      | (writing) Sets default encoding for any column. 
Valid values are: plain, plain_dictionary, rle, bit_packed, 
delta_binary_packed, delta_length_byte_array, delta_byte_array, rle_dictionary, 
and byte_stream_split. These values are not case sensitive. If NULL, uses 
default parquet writer setting                                                  
                                               [...]
-| datafusion.execution.parquet.bloom_filter_on_write                      | 
false                     | (writing) Write bloom filters for all columns when 
creating parquet files                                                          
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.execution.parquet.bloom_filter_fpp                           | 
NULL                      | (writing) Sets bloom filter false positive 
probability. If NULL, uses default parquet writer setting                       
                                                                                
                                                                                
                                                                                
                          [...]
-| datafusion.execution.parquet.bloom_filter_ndv                           | 
NULL                      | (writing) Sets bloom filter number of distinct 
values. If NULL, uses default parquet writer setting                            
                                                                                
                                                                                
                                                                                
                      [...]
-| datafusion.execution.parquet.allow_single_file_parallelism              | 
true                      | (writing) Controls whether DataFusion will attempt 
to speed up writing parquet files by serializing them in parallel. Each column 
in each row group in each output file are serialized in parallel leveraging a 
maximum possible core count of n_files*n_row_groups*n_columns.                  
                                                                                
                     [...]
-| datafusion.execution.parquet.maximum_parallel_row_group_writers         | 1  
                       | (writing) By default parallel parquet writer is tuned 
for minimum memory usage in a streaming execution plan. You may see a 
performance benefit when writing large parquet files by increasing 
maximum_parallel_row_group_writers and 
maximum_buffered_record_batches_per_stream if your system has idle cores and 
can tolerate additional memory usage. Boosting these values is likely 
worthwhile  [...]
-| datafusion.execution.parquet.maximum_buffered_record_batches_per_stream | 2  
                       | (writing) By default parallel parquet writer is tuned 
for minimum memory usage in a streaming execution plan. You may see a 
performance benefit when writing large parquet files by increasing 
maximum_parallel_row_group_writers and 
maximum_buffered_record_batches_per_stream if your system has idle cores and 
can tolerate additional memory usage. Boosting these values is likely 
worthwhile  [...]
-| datafusion.execution.planning_concurrency                               | 0  
                       | Fan-out during initial physical planning. This is 
mostly use to plan `UNION` children in parallel. Defaults to the number of CPU 
cores on the system                                                             
                                                                                
                                                                                
                    [...]
-| datafusion.execution.skip_physical_aggregate_schema_check               | 
false                     | When set to true, skips verifying that the schema 
produced by planning the input of `LogicalPlan::Aggregate` exactly matches the 
schema of the input plan. When set to false, if the schema does not match 
exactly (including nullability and metadata), a planning error will be raised. 
This is used to workaround bugs in the planner that are now caught by the new 
schema verification step.    [...]
-| datafusion.execution.spill_compression                                  | 
uncompressed              | Sets the compression codec used when spilling data 
to disk. Since datafusion writes spill files using the Arrow IPC Stream format, 
only codecs supported by the Arrow IPC Stream Writer are allowed. Valid values 
are: uncompressed, lz4_frame, zstd. Note: lz4_frame offers faster 
(de)compression, but typically results in larger spill files. In contrast, zstd 
achieves higher compression rati [...]
-| datafusion.execution.sort_spill_reservation_bytes                       | 
10485760                  | Specifies the reserved memory for each spillable 
sort operation to facilitate an in-memory merge. When a sort operation spills 
to disk, the in-memory data must be sorted and merged before being written to a 
file. This setting reserves a specific amount of memory for that in-memory 
sort/merge process. Note: This setting is irrelevant if the sort operation 
cannot spill (i.e., if there's  [...]
-| datafusion.execution.sort_in_place_threshold_bytes                      | 
1048576                   | When sorting, below what size should data be 
concatenated and sorted in a single RecordBatch rather than sorted in batches 
and merged.                                                                     
                                                                                
                                                                                
                          [...]
-| datafusion.execution.max_spill_file_size_bytes                          | 
134217728                 | Maximum size in bytes for individual spill files 
before rotating to a new file. When operators spill data to disk (e.g., 
RepartitionExec), they write multiple batches to the same file until this size 
limit is reached, then rotate to a new file. This reduces syscall overhead 
compared to one-file-per-batch while preventing files from growing too large. A 
larger value reduces file creatio [...]
-| datafusion.execution.meta_fetch_concurrency                             | 32 
                       | Number of files to read in parallel when inferring 
schema and statistics                                                           
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.execution.minimum_parallel_output_files                      | 4  
                       | Guarantees a minimum level of output files running in 
parallel. RecordBatches will be distributed in round robin fashion to each 
parallel writer. Each writer is closed and a new file opened once 
soft_max_rows_per_output_file is reached.                                       
                                                                                
                                  [...]
-| datafusion.execution.soft_max_rows_per_output_file                      | 
50000000                  | Target number of rows in output files when writing 
multiple. This is a soft max, so it can be exceeded slightly. There also will 
be one file smaller than the limit if the total number of rows written is not 
roughly divisible by the soft max                                               
                                                                                
                      [...]
-| datafusion.execution.max_buffered_batches_per_output_file               | 2  
                       | This is the maximum number of RecordBatches buffered 
for each output file being worked. Higher values can potentially give faster 
write performance at the cost of higher peak memory consumption                 
                                                                                
                                                                                
                   [...]
-| datafusion.execution.listing_table_ignore_subdirectory                  | 
true                      | Should sub directories be ignored when scanning 
directories for data files. Defaults to true (ignores subdirectories), 
consistent with Hive. Note that this setting does not affect reading 
partitioned tables (e.g. `/table/year=2021/month=01/data.parquet`).             
                                                                                
                                         [...]
-| datafusion.execution.listing_table_factory_infer_partitions             | 
true                      | Should a `ListingTable` created through the 
`ListingTableFactory` infer table partitions from Hive compliant directories. 
Defaults to true (partition columns are inferred and will be represented in the 
table schema).                                                                  
                                                                                
                           [...]
-| datafusion.execution.enable_recursive_ctes                              | 
true                      | Should DataFusion support recursive CTEs            
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.execution.split_file_groups_by_statistics                    | 
false                     | Attempt to eliminate sorts by packing & sorting 
files with non-overlapping statistics into the same file groups. Currently 
experimental                                                                    
                                                                                
                                                                                
                          [...]
-| datafusion.execution.keep_partition_by_columns                          | 
false                     | Should DataFusion keep the columns used for 
partition_by in the output RecordBatches                                        
                                                                                
                                                                                
                                                                                
                         [...]
-| datafusion.execution.skip_partial_aggregation_probe_ratio_threshold     | 
0.8                       | Aggregation ratio (number of distinct groups / 
number of input rows) threshold for skipping partial aggregation. If the value 
is greater then partial aggregation will skip aggregation for further input     
                                                                                
                                                                                
                       [...]
-| datafusion.execution.skip_partial_aggregation_probe_rows_threshold      | 
100000                    | Number of input rows partial aggregation partition 
should process, before aggregation ratio check and trying to switch to skipping 
aggregation mode                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.execution.use_row_number_estimates_to_optimize_partitioning  | 
false                     | Should DataFusion use row number estimates at the 
input to decide whether increasing parallelism is beneficial or not. By 
default, only exact row numbers (not estimates) are used for this decision. 
Setting this flag to `true` will likely produce better plans. if the source of 
statistics is accurate. We plan to make this the default in the future.         
                                [...]
-| datafusion.execution.enforce_batch_size_in_joins                        | 
false                     | Should DataFusion enforce batch size in joins or 
not. By default, DataFusion will not enforce batch size in joins. Enforcing 
batch size in joins can reduce memory usage when joining large tables with a 
highly-selective join filter, but is also slightly slower.                      
                                                                                
                           [...]
-| datafusion.execution.objectstore_writer_buffer_size                     | 
10485760                  | Size (bytes) of data buffer DataFusion uses when 
writing output files. This affects the size of the data chunks that are 
uploaded to remote object stores (e.g. AWS S3). If very large (>= 100 GiB) 
output files are being written, it may be necessary to increase this size to 
avoid errors from the remote end point.                                         
                                    [...]
-| datafusion.execution.enable_ansi_mode                                   | 
false                     | Whether to enable ANSI SQL mode. The flag is 
experimental and relevant only for DataFusion Spark built-in functions When 
`enable_ansi_mode` is set to `true`, the query engine follows ANSI SQL 
semantics for expressions, casting, and error handling. This means: - **Strict 
type coercion rules:** implicit casts between incompatible types are 
disallowed. - **Standard SQL arithmetic behavior [...]
-| datafusion.optimizer.enable_distinct_aggregation_soft_limit             | 
true                      | When set to true, the optimizer will push a limit 
operation into grouped aggregations which have no aggregate expressions, as a 
soft limit, emitting groups once the limit is reached, before all rows in the 
group are read.                                                                 
                                                                                
                       [...]
-| datafusion.optimizer.enable_round_robin_repartition                     | 
true                      | When set to true, the physical plan optimizer will 
try to add round robin repartitioning to increase parallelism to leverage more 
CPU cores                                                                       
                                                                                
                                                                                
                   [...]
-| datafusion.optimizer.enable_topk_aggregation                            | 
true                      | When set to true, the optimizer will attempt to 
perform limit operations during aggregations, if possible                       
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.optimizer.enable_window_limits                               | 
true                      | When set to true, the optimizer will attempt to 
push limit operations past window functions, if possible                        
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.optimizer.enable_topk_dynamic_filter_pushdown                | 
true                      | When set to true, the optimizer will attempt to 
push down TopK dynamic filters into the file scan phase.                        
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.optimizer.enable_join_dynamic_filter_pushdown                | 
true                      | When set to true, the optimizer will attempt to 
push down Join dynamic filters into the file scan phase.                        
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.optimizer.enable_aggregate_dynamic_filter_pushdown           | 
true                      | When set to true, the optimizer will attempt to 
push down Aggregate dynamic filters into the file scan phase.                   
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.optimizer.enable_dynamic_filter_pushdown                     | 
true                      | When set to true attempts to push down dynamic 
filters generated by operators (TopK, Join & Aggregate) into the file scan 
phase. For example, for a query such as `SELECT * FROM t ORDER BY timestamp 
DESC LIMIT 10`, the optimizer will attempt to push down the current top 10 
timestamps that the TopK operator references into the file scans. This means 
that if we already have 10 timestamps  [...]
-| datafusion.optimizer.filter_null_join_keys                              | 
false                     | When set to true, the optimizer will insert filters 
before a join between a nullable and non-nullable column to filter out nulls on 
the nullable side. This filter can add additional overhead when the file format 
does not fully support predicate push down.                                     
                                                                                
                 [...]
-| datafusion.optimizer.repartition_aggregations                           | 
true                      | Should DataFusion repartition data using the 
aggregate keys to execute aggregates in parallel using the provided 
`target_partitions` level                                                       
                                                                                
                                                                                
                                    [...]
-| datafusion.optimizer.repartition_file_min_size                          | 
10485760                  | Minimum total files size in bytes to perform file 
scan repartitioning.                                                            
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.optimizer.repartition_joins                                  | 
true                      | Should DataFusion repartition data using the join 
keys to execute joins in parallel using the provided `target_partitions` level  
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.optimizer.allow_symmetric_joins_without_pruning              | 
true                      | Should DataFusion allow symmetric hash joins for 
unbounded data sources even when its inputs do not have any ordering or 
filtering If the flag is not enabled, the SymmetricHashJoin operator will be 
unable to prune its internal buffers, resulting in certain join types - such as 
Full, Left, LeftAnti, LeftSemi, Right, RightAnti, and RightSemi - being 
produced only at the end of the execut [...]
-| datafusion.optimizer.repartition_file_scans                             | 
true                      | When set to `true`, datasource partitions will be 
repartitioned to achieve maximum parallelism. This applies to both in-memory 
partitions and FileSource's file groups (1 group is 1 partition). For 
FileSources, only Parquet and CSV formats are currently supported. If set to 
`true` for a FileSource, all files will be repartitioned evenly (i.e., a single 
large file might be partitioned in [...]
-| datafusion.optimizer.preserve_file_partitions                           | 0  
                       | Minimum number of distinct partition values required 
to group files by their Hive partition column values (enabling Hash 
partitioning declaration). How the option is used: - 
preserve_file_partitions=0: Disable it. - preserve_file_partitions=1: Always 
enable it. - preserve_file_partitions=N, actual file partitions=M: Only enable 
when M >= N. This threshold preserves I/O parallelism when [...]
-| datafusion.optimizer.repartition_windows                                | 
true                      | Should DataFusion repartition data using the 
partitions keys to execute window functions in parallel using the provided 
`target_partitions` level                                                       
                                                                                
                                                                                
                             [...]
-| datafusion.optimizer.repartition_sorts                                  | 
true                      | Should DataFusion execute sorts in a per-partition 
fashion and merge afterwards instead of coalescing first and sorting globally. 
With this flag is enabled, plans in the form below `text "SortExec: [a@0 ASC]", 
" CoalescePartitionsExec", " RepartitionExec: partitioning=RoundRobinBatch(8), 
input_partitions=1", ` would turn into the plan below which performs better in 
multithreaded enviro [...]
-| datafusion.optimizer.prefer_existing_sort                               | 
false                     | When true, DataFusion will opportunistically remove 
sorts when the data is already sorted, (i.e. setting `preserve_order` to true 
on `RepartitionExec` and using `SortPreservingMergeExec`) When false, 
DataFusion will maximize plan parallelism using `RepartitionExec` even if this 
requires subsequently resorting data using a `SortExec`.                        
                              [...]
-| datafusion.optimizer.skip_failed_rules                                  | 
false                     | When set to true, the logical plan optimizer will 
produce warning messages if any optimization rules produce errors and then 
proceed to the next rule. When set to false, any rules that produce errors will 
cause the query to fail                                                         
                                                                                
                        [...]
-| datafusion.optimizer.max_passes                                         | 3  
                       | Number of times that the optimizer will attempt to 
optimize the plan                                                               
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.optimizer.top_down_join_key_reordering                       | 
true                      | When set to true, the physical plan optimizer will 
run a top down process to reorder the join keys                                 
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.optimizer.prefer_hash_join                                   | 
true                      | When set to true, the physical plan optimizer will 
prefer HashJoin over SortMergeJoin. HashJoin can work more efficiently than 
SortMergeJoin but consumes more memory                                          
                                                                                
                                                                                
                      [...]
-| datafusion.optimizer.enable_piecewise_merge_join                        | 
false                     | When set to true, piecewise merge join is enabled. 
PiecewiseMergeJoin is currently experimental. Physical planner will opt for 
PiecewiseMergeJoin when there is only one range filter.                         
                                                                                
                                                                                
                      [...]
-| datafusion.optimizer.hash_join_single_partition_threshold               | 
1048576                   | The maximum estimated size in bytes for one input 
side of a HashJoin will be collected into a single partition                    
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.optimizer.hash_join_single_partition_threshold_rows          | 
131072                    | The maximum estimated size in rows for one input 
side of a HashJoin will be collected into a single partition                    
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.optimizer.hash_join_inlist_pushdown_max_size                 | 
131072                    | Maximum size in bytes for the build side of a hash 
join to be pushed down as an InList expression for dynamic filtering. Build 
sides larger than this will use hash table lookups instead. Set to 0 to always 
use hash table lookups. InList pushdown can be more efficient for small build 
sides because it can result in better statistics pruning as well as use any 
bloom filters present on the [...]
-| datafusion.optimizer.hash_join_inlist_pushdown_max_distinct_values      | 
150                       | Maximum number of distinct values (rows) in the 
build side of a hash join to be pushed down as an InList expression for dynamic 
filtering. Build sides with more rows than this will use hash table lookups 
instead. Set to 0 to always use hash table lookups. This provides an additional 
limit beyond `hash_join_inlist_pushdown_max_size` to prevent very large IN 
lists that might not provide  [...]
-| datafusion.optimizer.default_filter_selectivity                         | 20 
                       | The default filter selectivity used by Filter 
Statistics when an exact selectivity cannot be determined. Valid values are 
between 0 (no selectivity) and 100 (all rows are selected).                     
                                                                                
                                                                                
                           [...]
-| datafusion.optimizer.prefer_existing_union                              | 
false                     | When set to true, the optimizer will not attempt to 
convert Union to Interleave                                                     
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.optimizer.expand_views_at_output                             | 
false                     | When set to true, if the returned type is a view 
type then the output will be coerced to a non-view. Coerces `Utf8View` to 
`LargeUtf8`, and `BinaryView` to `LargeBinary`.                                 
                                                                                
                                                                                
                          [...]
-| datafusion.optimizer.enable_sort_pushdown                               | 
true                      | Enable sort pushdown optimization. When enabled, 
attempts to push sort requirements down to data sources that can natively 
handle them (e.g., by reversing file/row group read order). Returns **inexact 
ordering**: Sort operator is kept for correctness, but optimized input enables 
early termination for TopK queries (ORDER BY ... LIMIT N), providing 
significant speedup. Memory: No additio [...]
-| datafusion.explain.logical_plan_only                                    | 
false                     | When set to true, the explain statement will only 
print logical plans                                                             
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.explain.physical_plan_only                                   | 
false                     | When set to true, the explain statement will only 
print physical plans                                                            
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.explain.show_statistics                                      | 
false                     | When set to true, the explain statement will print 
operator statistics for physical plans                                          
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.explain.show_sizes                                           | 
true                      | When set to true, the explain statement will print 
the partition sizes                                                             
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.explain.show_schema                                          | 
false                     | When set to true, the explain statement will print 
schema information                                                              
                                                                                
                                                                                
                                                                                
                  [...]
-| datafusion.explain.format                                               | 
indent                    | Display format of explain. Default is "indent". 
When set to "tree", it will print the plan in a tree-rendered format.           
                                                                                
                                                                                
                                                                                
                     [...]
-| datafusion.explain.tree_maximum_render_width                            | 
240                       | (format=tree only) Maximum total width of the 
rendered tree. When set to 0, the tree will have no width limit.                
                                                                                
                                                                                
                                                                                
                       [...]
-| datafusion.explain.analyze_level                                        | 
dev                       | Verbosity level for "EXPLAIN ANALYZE". Default is 
"dev" "summary" shows common metrics for high-level insights. "dev" provides 
deep operator-level introspection for developers.                               
                                                                                
                                                                                
                      [...]
-| datafusion.sql_parser.parse_float_as_decimal                            | 
false                     | When set to true, SQL parser will parse float as 
decimal type                                                                    
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.sql_parser.enable_ident_normalization                        | 
true                      | When set to true, SQL parser will normalize ident 
(convert ident to lowercase when not quoted)                                    
                                                                                
                                                                                
                                                                                
                   [...]
-| datafusion.sql_parser.enable_options_value_normalization                | 
false                     | When set to true, SQL parser will normalize options 
value (convert value to lowercase). Note that this option is ignored and will 
be removed in the future. All case-insensitive values are normalized 
automatically.                                                                  
                                                                                
                              [...]
-| datafusion.sql_parser.dialect                                           | 
generic                   | Configure the SQL dialect used by DataFusion's 
parser; supported values include: Generic, MySQL, PostgreSQL, Hive, SQLite, 
Snowflake, Redshift, MsSQL, ClickHouse, BigQuery, Ansi, DuckDB and Databricks.  
                                                                                
                                                                                
                          [...]
-| datafusion.sql_parser.support_varchar_with_length                       | 
true                      | If true, permit lengths for `VARCHAR` such as 
`VARCHAR(20)`, but ignore the length. If false, error if a `VARCHAR` with a 
length is specified. The Arrow type system does not have a notion of maximum 
string length and thus DataFusion can not enforce such limits.                  
                                                                                
                              [...]
-| datafusion.sql_parser.map_string_types_to_utf8view                      | 
true                      | If true, string types (VARCHAR, CHAR, Text, and 
String) are mapped to `Utf8View` during SQL planning. If false, they are mapped 
to `Utf8`. Default is true.                                                     
                                                                                
                                                                                
                     [...]
-| datafusion.sql_parser.collect_spans                                     | 
false                     | When set to true, the source locations relative to 
the original SQL query (i.e. 
[`Span`](https://docs.rs/sqlparser/latest/sqlparser/tokenizer/struct.Span.html))
 will be collected and recorded in the logical plan nodes.                      
                                                                                
                                                                     [...]
-| datafusion.sql_parser.recursion_limit                                   | 50 
                       | Specifies the recursion depth limit when parsing 
complex SQL Queries                                                             
                                                                                
                                                                                
                                                                                
                    [...]
-| datafusion.sql_parser.default_null_ordering                             | 
nulls_max                 | Specifies the default null ordering for query 
results. There are 4 options: - `nulls_max`: Nulls appear last in ascending 
order. - `nulls_min`: Nulls appear first in ascending order. - `nulls_first`: 
Nulls always be first in any order. - `nulls_last`: Nulls always be last in any 
order. By default, `nulls_max` is used to follow Postgres's behavior. postgres 
rule: <https://www.postgresql [...]
-| datafusion.format.safe                                                  | 
true                      | If set to `true` any formatting errors will be 
written to the output instead of being converted into a [`std::fmt::Error`]     
                                                                                
                                                                                
                                                                                
                      [...]
-| datafusion.format.null                                                  |    
                       | Format string for nulls                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| datafusion.format.date_format                                           | 
%Y-%m-%d                  | Date format for date arrays                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.format.datetime_format                                       | 
%Y-%m-%dT%H:%M:%S%.f      | Format for DateTime arrays                          
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.format.timestamp_format                                      | 
%Y-%m-%dT%H:%M:%S%.f      | Timestamp format for timestamp arrays               
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.format.timestamp_tz_format                                   | 
NULL                      | Timestamp format for timestamp with timezone 
arrays. When `None`, ISO 8601 format is used.                                   
                                                                                
                                                                                
                                                                                
                        [...]
-| datafusion.format.time_format                                           | 
%H:%M:%S%.f               | Time format for time arrays                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
-| datafusion.format.duration_format                                       | 
pretty                    | Duration format. Can be either `"pretty"` or 
`"ISO8601"`                                                                     
                                                                                
                                                                                
                                                                                
                        [...]
-| datafusion.format.types_info                                            | 
false                     | Show types in visual representation batches         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| key                                                                     | 
default                   | description                                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| ----------------------------------------------------------------------- | 
------------------------- | 
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 [...]
+| datafusion.catalog.create_default_catalog_and_schema                    | 
true                      | Whether the default catalog and schema should be 
created automatically.                                                          
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.catalog.default_catalog                                      | 
datafusion                | The default catalog name - this impacts what SQL 
queries use if not specified                                                    
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.catalog.default_schema                                       | 
public                    | The default schema name - this impacts what SQL 
queries use if not specified                                                    
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.catalog.information_schema                                   | 
false                     | Should DataFusion provide access to 
`information_schema` virtual tables for displaying schema information           
                                                                                
                                                                                
                                                                                
                                 [...]
+| datafusion.catalog.location                                             | 
NULL                      | Location scanned to load tables for `default` 
schema                                                                          
                                                                                
                                                                                
                                                                                
                       [...]
+| datafusion.catalog.format                                               | 
NULL                      | Type of `TableProvider` to use when loading 
`default` schema                                                                
                                                                                
                                                                                
                                                                                
                         [...]
+| datafusion.catalog.has_header                                           | 
true                      | Default value for `format.has_header` for `CREATE 
EXTERNAL TABLE` if not specified explicitly in the statement.                   
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.catalog.newlines_in_values                                   | 
false                     | Specifies whether newlines in (quoted) CSV values 
are supported. This is the default value for `format.newlines_in_values` for 
`CREATE EXTERNAL TABLE` if not specified explicitly in the statement. Parsing 
newlines in quoted values may be affected by execution behaviour such as 
parallel file scanning. Setting this to `true` ensures that newlines in values 
are parsed successfully, which  [...]
+| datafusion.execution.batch_size                                         | 
8192                      | Default batch size while creating new batches, it's 
especially useful for buffer-in-memory batches since creating tiny batches 
would result in too much metadata memory consumption                            
                                                                                
                                                                                
                      [...]
+| datafusion.execution.coalesce_batches                                   | 
true                      | When set to true, record batches will be examined 
between each operator and small batches will be coalesced into larger batches. 
This is helpful when there are highly selective filters or joins that could 
produce tiny output batches. The target batch size is determined by the 
configuration setting                                                           
                                [...]
+| datafusion.execution.collect_statistics                                 | 
true                      | Should DataFusion collect statistics when first 
creating a table. Has no effect after the table is created. Applies to the 
default `ListingTableProvider` in DataFusion. Defaults to true.                 
                                                                                
                                                                                
                          [...]
+| datafusion.execution.target_partitions                                  | 0  
                       | Number of partitions for query execution. Increasing 
partitions can increase concurrency. Defaults to the number of CPU cores on the 
system                                                                          
                                                                                
                                                                                
                [...]
+| datafusion.execution.time_zone                                          | 
NULL                      | The default time zone Some functions, e.g. `now` 
return timestamps in this time zone                                             
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.execution.parquet.enable_page_index                          | 
true                      | (reading) If true, reads the Parquet data page 
level metadata (the Page Index), if present, to reduce the I/O and number of 
rows decoded.                                                                   
                                                                                
                                                                                
                         [...]
+| datafusion.execution.parquet.pruning                                    | 
true                      | (reading) If true, the parquet reader attempts to 
skip entire row groups based on the predicate in the query and the metadata 
(min/max values) stored in the parquet file                                     
                                                                                
                                                                                
                       [...]
+| datafusion.execution.parquet.skip_metadata                              | 
true                      | (reading) If true, the parquet reader skip the 
optional embedded metadata that may be in the file Schema. This setting can 
help avoid schema conflicts when querying multiple parquet files with schemas 
containing compatible types but different metadata                              
                                                                                
                            [...]
+| datafusion.execution.parquet.metadata_size_hint                         | 
524288                    | (reading) If specified, the parquet reader will try 
and fetch the last `size_hint` bytes of the parquet file optimistically. If not 
specified, two reads are required: One read to fetch the 8-byte parquet footer 
and another to fetch the metadata length encoded in the footer Default setting 
to 512 KiB, which should be sufficient for most parquet files, it can reduce 
one I/O operation per [...]
+| datafusion.execution.parquet.pushdown_filters                           | 
false                     | (reading) If true, filter expressions are be 
applied during the parquet decoding operation to reduce the number of rows 
decoded. This optimization is sometimes called "late materialization".          
                                                                                
                                                                                
                             [...]
+| datafusion.execution.parquet.reorder_filters                            | 
false                     | (reading) If true, filter expressions evaluated 
during the parquet decoding operation will be reordered heuristically to 
minimize the cost of evaluation. If false, the filters are applied in the same 
order as written in the query                                                   
                                                                                
                             [...]
+| datafusion.execution.parquet.force_filter_selections                    | 
false                     | (reading) Force the use of RowSelections for filter 
results, when pushdown_filters is enabled. If false, the reader will 
automatically choose between a RowSelection and a Bitmap based on the number 
and pattern of selected rows.                                                   
                                                                                
                               [...]
+| datafusion.execution.parquet.schema_force_view_types                    | 
true                      | (reading) If true, parquet reader will read columns 
of `Utf8/Utf8Large` with `Utf8View`, and `Binary/BinaryLarge` with 
`BinaryView`.                                                                   
                                                                                
                                                                                
                              [...]
+| datafusion.execution.parquet.binary_as_string                           | 
false                     | (reading) If true, parquet reader will read columns 
of `Binary/LargeBinary` with `Utf8`, and `BinaryView` with `Utf8View`. Parquet 
files generated by some legacy writers do not correctly set the UTF8 flag for 
strings, causing string columns to be loaded as BLOB instead.                   
                                                                                
                    [...]
+| datafusion.execution.parquet.coerce_int96                               | 
NULL                      | (reading) If true, parquet reader will read columns 
of physical type int96 as originating from a different resolution than 
nanosecond. This is useful for reading data from systems like Spark which 
stores microsecond resolution timestamps in an int96 allowing it to write 
values with a larger date range than 64-bit timestamps with nanosecond 
resolution.                                    [...]
+| datafusion.execution.parquet.bloom_filter_on_read                       | 
true                      | (reading) Use any available bloom filters when 
reading parquet files                                                           
                                                                                
                                                                                
                                                                                
                      [...]
+| datafusion.execution.parquet.max_predicate_cache_size                   | 
NULL                      | (reading) The maximum predicate cache size, in 
bytes. When `pushdown_filters` is enabled, sets the maximum memory used to 
cache the results of predicate evaluation between filter evaluation and output 
generation. Decreasing this value will reduce memory usage, but may increase IO 
and CPU usage. None means use the default parquet reader setting. 0 means no 
caching.                       [...]
+| datafusion.execution.parquet.data_pagesize_limit                        | 
1048576                   | (writing) Sets best effort maximum size of data 
page in bytes                                                                   
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.execution.parquet.write_batch_size                           | 
1024                      | (writing) Sets write_batch_size in bytes            
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.execution.parquet.writer_version                             | 
1.0                       | (writing) Sets parquet writer version valid values 
are "1.0" and "2.0"                                                             
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.execution.parquet.skip_arrow_metadata                        | 
false                     | (writing) Skip encoding the embedded arrow metadata 
in the KV_meta This is analogous to the 
`ArrowWriterOptions::with_skip_arrow_metadata`. Refer to 
<https://docs.rs/parquet/53.3.0/parquet/arrow/arrow_writer/struct.ArrowWriterOptions.html#method.with_skip_arrow_metadata>
                                                                                
                                      [...]
+| datafusion.execution.parquet.compression                                | 
zstd(3)                   | (writing) Sets default parquet compression codec. 
Valid values are: uncompressed, snappy, gzip(level), lzo, brotli(level), lz4, 
zstd(level), and lz4_raw. These values are not case sensitive. If NULL, uses 
default parquet writer setting Note that this default setting is not the same 
as the default parquet writer setting.                                          
                          [...]
+| datafusion.execution.parquet.dictionary_enabled                         | 
true                      | (writing) Sets if dictionary encoding is enabled. 
If NULL, uses default parquet writer setting                                    
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.execution.parquet.dictionary_page_size_limit                 | 
1048576                   | (writing) Sets best effort maximum dictionary page 
size, in bytes                                                                  
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.execution.parquet.statistics_enabled                         | 
page                      | (writing) Sets if statistics are enabled for any 
column Valid values are: "none", "chunk", and "page" These values are not case 
sensitive. If NULL, uses default parquet writer setting                         
                                                                                
                                                                                
                     [...]
+| datafusion.execution.parquet.max_row_group_size                         | 
1048576                   | (writing) Target maximum number of rows in each row 
group (defaults to 1M rows). Writing larger row groups requires more memory to 
write, but can get better compression and be faster to read.                    
                                                                                
                                                                                
                  [...]
+| datafusion.execution.parquet.created_by                                 | 
datafusion version 51.0.0 | (writing) Sets "created by" property                
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.execution.parquet.column_index_truncate_length               | 64 
                       | (writing) Sets column index truncate length            
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
+| datafusion.execution.parquet.statistics_truncate_length                 | 64 
                       | (writing) Sets statistics truncate length. If NULL, 
uses default parquet writer setting                                             
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.execution.parquet.data_page_row_count_limit                  | 
20000                     | (writing) Sets best effort maximum number of rows 
in data page                                                                    
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.execution.parquet.encoding                                   | 
NULL                      | (writing) Sets default encoding for any column. 
Valid values are: plain, plain_dictionary, rle, bit_packed, 
delta_binary_packed, delta_length_byte_array, delta_byte_array, rle_dictionary, 
and byte_stream_split. These values are not case sensitive. If NULL, uses 
default parquet writer setting                                                  
                                               [...]
+| datafusion.execution.parquet.bloom_filter_on_write                      | 
false                     | (writing) Write bloom filters for all columns when 
creating parquet files                                                          
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.execution.parquet.bloom_filter_fpp                           | 
NULL                      | (writing) Sets bloom filter false positive 
probability. If NULL, uses default parquet writer setting                       
                                                                                
                                                                                
                                                                                
                          [...]
+| datafusion.execution.parquet.bloom_filter_ndv                           | 
NULL                      | (writing) Sets bloom filter number of distinct 
values. If NULL, uses default parquet writer setting                            
                                                                                
                                                                                
                                                                                
                      [...]
+| datafusion.execution.parquet.allow_single_file_parallelism              | 
true                      | (writing) Controls whether DataFusion will attempt 
to speed up writing parquet files by serializing them in parallel. Each column 
in each row group in each output file are serialized in parallel leveraging a 
maximum possible core count of n_files*n_row_groups*n_columns.                  
                                                                                
                     [...]
+| datafusion.execution.parquet.maximum_parallel_row_group_writers         | 1  
                       | (writing) By default parallel parquet writer is tuned 
for minimum memory usage in a streaming execution plan. You may see a 
performance benefit when writing large parquet files by increasing 
maximum_parallel_row_group_writers and 
maximum_buffered_record_batches_per_stream if your system has idle cores and 
can tolerate additional memory usage. Boosting these values is likely 
worthwhile  [...]
+| datafusion.execution.parquet.maximum_buffered_record_batches_per_stream | 2  
                       | (writing) By default parallel parquet writer is tuned 
for minimum memory usage in a streaming execution plan. You may see a 
performance benefit when writing large parquet files by increasing 
maximum_parallel_row_group_writers and 
maximum_buffered_record_batches_per_stream if your system has idle cores and 
can tolerate additional memory usage. Boosting these values is likely 
worthwhile  [...]
+| datafusion.execution.planning_concurrency                               | 0  
                       | Fan-out during initial physical planning. This is 
mostly use to plan `UNION` children in parallel. Defaults to the number of CPU 
cores on the system                                                             
                                                                                
                                                                                
                    [...]
+| datafusion.execution.skip_physical_aggregate_schema_check               | 
false                     | When set to true, skips verifying that the schema 
produced by planning the input of `LogicalPlan::Aggregate` exactly matches the 
schema of the input plan. When set to false, if the schema does not match 
exactly (including nullability and metadata), a planning error will be raised. 
This is used to workaround bugs in the planner that are now caught by the new 
schema verification step.    [...]
+| datafusion.execution.spill_compression                                  | 
uncompressed              | Sets the compression codec used when spilling data 
to disk. Since datafusion writes spill files using the Arrow IPC Stream format, 
only codecs supported by the Arrow IPC Stream Writer are allowed. Valid values 
are: uncompressed, lz4_frame, zstd. Note: lz4_frame offers faster 
(de)compression, but typically results in larger spill files. In contrast, zstd 
achieves higher compression rati [...]
+| datafusion.execution.sort_spill_reservation_bytes                       | 
10485760                  | Specifies the reserved memory for each spillable 
sort operation to facilitate an in-memory merge. When a sort operation spills 
to disk, the in-memory data must be sorted and merged before being written to a 
file. This setting reserves a specific amount of memory for that in-memory 
sort/merge process. Note: This setting is irrelevant if the sort operation 
cannot spill (i.e., if there's  [...]
+| datafusion.execution.sort_in_place_threshold_bytes                      | 
1048576                   | When sorting, below what size should data be 
concatenated and sorted in a single RecordBatch rather than sorted in batches 
and merged.                                                                     
                                                                                
                                                                                
                          [...]
+| datafusion.execution.max_spill_file_size_bytes                          | 
134217728                 | Maximum size in bytes for individual spill files 
before rotating to a new file. When operators spill data to disk (e.g., 
RepartitionExec), they write multiple batches to the same file until this size 
limit is reached, then rotate to a new file. This reduces syscall overhead 
compared to one-file-per-batch while preventing files from growing too large. A 
larger value reduces file creatio [...]
+| datafusion.execution.meta_fetch_concurrency                             | 32 
                       | Number of files to read in parallel when inferring 
schema and statistics                                                           
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.execution.minimum_parallel_output_files                      | 4  
                       | Guarantees a minimum level of output files running in 
parallel. RecordBatches will be distributed in round robin fashion to each 
parallel writer. Each writer is closed and a new file opened once 
soft_max_rows_per_output_file is reached.                                       
                                                                                
                                  [...]
+| datafusion.execution.soft_max_rows_per_output_file                      | 
50000000                  | Target number of rows in output files when writing 
multiple. This is a soft max, so it can be exceeded slightly. There also will 
be one file smaller than the limit if the total number of rows written is not 
roughly divisible by the soft max                                               
                                                                                
                      [...]
+| datafusion.execution.max_buffered_batches_per_output_file               | 2  
                       | This is the maximum number of RecordBatches buffered 
for each output file being worked. Higher values can potentially give faster 
write performance at the cost of higher peak memory consumption                 
                                                                                
                                                                                
                   [...]
+| datafusion.execution.listing_table_ignore_subdirectory                  | 
true                      | Should sub directories be ignored when scanning 
directories for data files. Defaults to true (ignores subdirectories), 
consistent with Hive. Note that this setting does not affect reading 
partitioned tables (e.g. `/table/year=2021/month=01/data.parquet`).             
                                                                                
                                         [...]
+| datafusion.execution.listing_table_factory_infer_partitions             | 
true                      | Should a `ListingTable` created through the 
`ListingTableFactory` infer table partitions from Hive compliant directories. 
Defaults to true (partition columns are inferred and will be represented in the 
table schema).                                                                  
                                                                                
                           [...]
+| datafusion.execution.enable_recursive_ctes                              | 
true                      | Should DataFusion support recursive CTEs            
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.execution.split_file_groups_by_statistics                    | 
false                     | Attempt to eliminate sorts by packing & sorting 
files with non-overlapping statistics into the same file groups. Currently 
experimental                                                                    
                                                                                
                                                                                
                          [...]
+| datafusion.execution.keep_partition_by_columns                          | 
false                     | Should DataFusion keep the columns used for 
partition_by in the output RecordBatches                                        
                                                                                
                                                                                
                                                                                
                         [...]
+| datafusion.execution.skip_partial_aggregation_probe_ratio_threshold     | 
0.8                       | Aggregation ratio (number of distinct groups / 
number of input rows) threshold for skipping partial aggregation. If the value 
is greater then partial aggregation will skip aggregation for further input     
                                                                                
                                                                                
                       [...]
+| datafusion.execution.skip_partial_aggregation_probe_rows_threshold      | 
100000                    | Number of input rows partial aggregation partition 
should process, before aggregation ratio check and trying to switch to skipping 
aggregation mode                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.execution.use_row_number_estimates_to_optimize_partitioning  | 
false                     | Should DataFusion use row number estimates at the 
input to decide whether increasing parallelism is beneficial or not. By 
default, only exact row numbers (not estimates) are used for this decision. 
Setting this flag to `true` will likely produce better plans. if the source of 
statistics is accurate. We plan to make this the default in the future.         
                                [...]
+| datafusion.execution.enforce_batch_size_in_joins                        | 
false                     | Should DataFusion enforce batch size in joins or 
not. By default, DataFusion will not enforce batch size in joins. Enforcing 
batch size in joins can reduce memory usage when joining large tables with a 
highly-selective join filter, but is also slightly slower.                      
                                                                                
                           [...]
+| datafusion.execution.objectstore_writer_buffer_size                     | 
10485760                  | Size (bytes) of data buffer DataFusion uses when 
writing output files. This affects the size of the data chunks that are 
uploaded to remote object stores (e.g. AWS S3). If very large (>= 100 GiB) 
output files are being written, it may be necessary to increase this size to 
avoid errors from the remote end point.                                         
                                    [...]
+| datafusion.execution.enable_ansi_mode                                   | 
false                     | Whether to enable ANSI SQL mode. The flag is 
experimental and relevant only for DataFusion Spark built-in functions When 
`enable_ansi_mode` is set to `true`, the query engine follows ANSI SQL 
semantics for expressions, casting, and error handling. This means: - **Strict 
type coercion rules:** implicit casts between incompatible types are 
disallowed. - **Standard SQL arithmetic behavior [...]
+| datafusion.optimizer.enable_distinct_aggregation_soft_limit             | 
true                      | When set to true, the optimizer will push a limit 
operation into grouped aggregations which have no aggregate expressions, as a 
soft limit, emitting groups once the limit is reached, before all rows in the 
group are read.                                                                 
                                                                                
                       [...]
+| datafusion.optimizer.enable_round_robin_repartition                     | 
true                      | When set to true, the physical plan optimizer will 
try to add round robin repartitioning to increase parallelism to leverage more 
CPU cores                                                                       
                                                                                
                                                                                
                   [...]
+| datafusion.optimizer.enable_topk_aggregation                            | 
true                      | When set to true, the optimizer will attempt to 
perform limit operations during aggregations, if possible                       
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.optimizer.enable_window_limits                               | 
true                      | When set to true, the optimizer will attempt to 
push limit operations past window functions, if possible                        
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.optimizer.enable_topk_dynamic_filter_pushdown                | 
true                      | When set to true, the optimizer will attempt to 
push down TopK dynamic filters into the file scan phase.                        
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.optimizer.enable_join_dynamic_filter_pushdown                | 
true                      | When set to true, the optimizer will attempt to 
push down Join dynamic filters into the file scan phase.                        
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.optimizer.enable_aggregate_dynamic_filter_pushdown           | 
true                      | When set to true, the optimizer will attempt to 
push down Aggregate dynamic filters into the file scan phase.                   
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.optimizer.enable_dynamic_filter_pushdown                     | 
true                      | When set to true attempts to push down dynamic 
filters generated by operators (TopK, Join & Aggregate) into the file scan 
phase. For example, for a query such as `SELECT * FROM t ORDER BY timestamp 
DESC LIMIT 10`, the optimizer will attempt to push down the current top 10 
timestamps that the TopK operator references into the file scans. This means 
that if we already have 10 timestamps  [...]
+| datafusion.optimizer.filter_null_join_keys                              | 
false                     | When set to true, the optimizer will insert filters 
before a join between a nullable and non-nullable column to filter out nulls on 
the nullable side. This filter can add additional overhead when the file format 
does not fully support predicate push down.                                     
                                                                                
                 [...]
+| datafusion.optimizer.repartition_aggregations                           | 
true                      | Should DataFusion repartition data using the 
aggregate keys to execute aggregates in parallel using the provided 
`target_partitions` level                                                       
                                                                                
                                                                                
                                    [...]
+| datafusion.optimizer.repartition_file_min_size                          | 
10485760                  | Minimum total files size in bytes to perform file 
scan repartitioning.                                                            
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.optimizer.repartition_joins                                  | 
true                      | Should DataFusion repartition data using the join 
keys to execute joins in parallel using the provided `target_partitions` level  
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.optimizer.allow_symmetric_joins_without_pruning              | 
true                      | Should DataFusion allow symmetric hash joins for 
unbounded data sources even when its inputs do not have any ordering or 
filtering If the flag is not enabled, the SymmetricHashJoin operator will be 
unable to prune its internal buffers, resulting in certain join types - such as 
Full, Left, LeftAnti, LeftSemi, Right, RightAnti, and RightSemi - being 
produced only at the end of the execut [...]
+| datafusion.optimizer.repartition_file_scans                             | 
true                      | When set to `true`, datasource partitions will be 
repartitioned to achieve maximum parallelism. This applies to both in-memory 
partitions and FileSource's file groups (1 group is 1 partition). For 
FileSources, only Parquet and CSV formats are currently supported. If set to 
`true` for a FileSource, all files will be repartitioned evenly (i.e., a single 
large file might be partitioned in [...]
+| datafusion.optimizer.preserve_file_partitions                           | 0  
                       | Minimum number of distinct partition values required 
to group files by their Hive partition column values (enabling Hash 
partitioning declaration). How the option is used: - 
preserve_file_partitions=0: Disable it. - preserve_file_partitions=1: Always 
enable it. - preserve_file_partitions=N, actual file partitions=M: Only enable 
when M >= N. This threshold preserves I/O parallelism when [...]
+| datafusion.optimizer.repartition_windows                                | 
true                      | Should DataFusion repartition data using the 
partitions keys to execute window functions in parallel using the provided 
`target_partitions` level                                                       
                                                                                
                                                                                
                             [...]
+| datafusion.optimizer.repartition_sorts                                  | 
true                      | Should DataFusion execute sorts in a per-partition 
fashion and merge afterwards instead of coalescing first and sorting globally. 
With this flag is enabled, plans in the form below `text "SortExec: [a@0 ASC]", 
" CoalescePartitionsExec", " RepartitionExec: partitioning=RoundRobinBatch(8), 
input_partitions=1", ` would turn into the plan below which performs better in 
multithreaded enviro [...]
+| datafusion.optimizer.subset_repartition_threshold                       | 4  
                       | Partition count threshold for subset satisfaction 
optimization. When the current partition count is >= this threshold, DataFusion 
will skip repartitioning if the required partitioning expression is a subset of 
the current partition expression such as Hash(a) satisfies Hash(a, b). When the 
current partition count is < this threshold, DataFusion will repartition to 
increase parallelism e [...]
+| datafusion.optimizer.prefer_existing_sort                               | 
false                     | When true, DataFusion will opportunistically remove 
sorts when the data is already sorted, (i.e. setting `preserve_order` to true 
on `RepartitionExec` and using `SortPreservingMergeExec`) When false, 
DataFusion will maximize plan parallelism using `RepartitionExec` even if this 
requires subsequently resorting data using a `SortExec`.                        
                              [...]
+| datafusion.optimizer.skip_failed_rules                                  | 
false                     | When set to true, the logical plan optimizer will 
produce warning messages if any optimization rules produce errors and then 
proceed to the next rule. When set to false, any rules that produce errors will 
cause the query to fail                                                         
                                                                                
                        [...]
+| datafusion.optimizer.max_passes                                         | 3  
                       | Number of times that the optimizer will attempt to 
optimize the plan                                                               
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.optimizer.top_down_join_key_reordering                       | 
true                      | When set to true, the physical plan optimizer will 
run a top down process to reorder the join keys                                 
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.optimizer.prefer_hash_join                                   | 
true                      | When set to true, the physical plan optimizer will 
prefer HashJoin over SortMergeJoin. HashJoin can work more efficiently than 
SortMergeJoin but consumes more memory                                          
                                                                                
                                                                                
                      [...]
+| datafusion.optimizer.enable_piecewise_merge_join                        | 
false                     | When set to true, piecewise merge join is enabled. 
PiecewiseMergeJoin is currently experimental. Physical planner will opt for 
PiecewiseMergeJoin when there is only one range filter.                         
                                                                                
                                                                                
                      [...]
+| datafusion.optimizer.hash_join_single_partition_threshold               | 
1048576                   | The maximum estimated size in bytes for one input 
side of a HashJoin will be collected into a single partition                    
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.optimizer.hash_join_single_partition_threshold_rows          | 
131072                    | The maximum estimated size in rows for one input 
side of a HashJoin will be collected into a single partition                    
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.optimizer.hash_join_inlist_pushdown_max_size                 | 
131072                    | Maximum size in bytes for the build side of a hash 
join to be pushed down as an InList expression for dynamic filtering. Build 
sides larger than this will use hash table lookups instead. Set to 0 to always 
use hash table lookups. InList pushdown can be more efficient for small build 
sides because it can result in better statistics pruning as well as use any 
bloom filters present on the [...]
+| datafusion.optimizer.hash_join_inlist_pushdown_max_distinct_values      | 
150                       | Maximum number of distinct values (rows) in the 
build side of a hash join to be pushed down as an InList expression for dynamic 
filtering. Build sides with more rows than this will use hash table lookups 
instead. Set to 0 to always use hash table lookups. This provides an additional 
limit beyond `hash_join_inlist_pushdown_max_size` to prevent very large IN 
lists that might not provide  [...]
+| datafusion.optimizer.default_filter_selectivity                         | 20 
                       | The default filter selectivity used by Filter 
Statistics when an exact selectivity cannot be determined. Valid values are 
between 0 (no selectivity) and 100 (all rows are selected).                     
                                                                                
                                                                                
                           [...]
+| datafusion.optimizer.prefer_existing_union                              | 
false                     | When set to true, the optimizer will not attempt to 
convert Union to Interleave                                                     
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.optimizer.expand_views_at_output                             | 
false                     | When set to true, if the returned type is a view 
type then the output will be coerced to a non-view. Coerces `Utf8View` to 
`LargeUtf8`, and `BinaryView` to `LargeBinary`.                                 
                                                                                
                                                                                
                          [...]
+| datafusion.optimizer.enable_sort_pushdown                               | 
true                      | Enable sort pushdown optimization. When enabled, 
attempts to push sort requirements down to data sources that can natively 
handle them (e.g., by reversing file/row group read order). Returns **inexact 
ordering**: Sort operator is kept for correctness, but optimized input enables 
early termination for TopK queries (ORDER BY ... LIMIT N), providing 
significant speedup. Memory: No additio [...]
+| datafusion.explain.logical_plan_only                                    | 
false                     | When set to true, the explain statement will only 
print logical plans                                                             
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.explain.physical_plan_only                                   | 
false                     | When set to true, the explain statement will only 
print physical plans                                                            
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.explain.show_statistics                                      | 
false                     | When set to true, the explain statement will print 
operator statistics for physical plans                                          
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.explain.show_sizes                                           | 
true                      | When set to true, the explain statement will print 
the partition sizes                                                             
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.explain.show_schema                                          | 
false                     | When set to true, the explain statement will print 
schema information                                                              
                                                                                
                                                                                
                                                                                
                  [...]
+| datafusion.explain.format                                               | 
indent                    | Display format of explain. Default is "indent". 
When set to "tree", it will print the plan in a tree-rendered format.           
                                                                                
                                                                                
                                                                                
                     [...]
+| datafusion.explain.tree_maximum_render_width                            | 
240                       | (format=tree only) Maximum total width of the 
rendered tree. When set to 0, the tree will have no width limit.                
                                                                                
                                                                                
                                                                                
                       [...]
+| datafusion.explain.analyze_level                                        | 
dev                       | Verbosity level for "EXPLAIN ANALYZE". Default is 
"dev" "summary" shows common metrics for high-level insights. "dev" provides 
deep operator-level introspection for developers.                               
                                                                                
                                                                                
                      [...]
+| datafusion.sql_parser.parse_float_as_decimal                            | 
false                     | When set to true, SQL parser will parse float as 
decimal type                                                                    
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.sql_parser.enable_ident_normalization                        | 
true                      | When set to true, SQL parser will normalize ident 
(convert ident to lowercase when not quoted)                                    
                                                                                
                                                                                
                                                                                
                   [...]
+| datafusion.sql_parser.enable_options_value_normalization                | 
false                     | When set to true, SQL parser will normalize options 
value (convert value to lowercase). Note that this option is ignored and will 
be removed in the future. All case-insensitive values are normalized 
automatically.                                                                  
                                                                                
                              [...]
+| datafusion.sql_parser.dialect                                           | 
generic                   | Configure the SQL dialect used by DataFusion's 
parser; supported values include: Generic, MySQL, PostgreSQL, Hive, SQLite, 
Snowflake, Redshift, MsSQL, ClickHouse, BigQuery, Ansi, DuckDB and Databricks.  
                                                                                
                                                                                
                          [...]
+| datafusion.sql_parser.support_varchar_with_length                       | 
true                      | If true, permit lengths for `VARCHAR` such as 
`VARCHAR(20)`, but ignore the length. If false, error if a `VARCHAR` with a 
length is specified. The Arrow type system does not have a notion of maximum 
string length and thus DataFusion can not enforce such limits.                  
                                                                                
                              [...]
+| datafusion.sql_parser.map_string_types_to_utf8view                      | 
true                      | If true, string types (VARCHAR, CHAR, Text, and 
String) are mapped to `Utf8View` during SQL planning. If false, they are mapped 
to `Utf8`. Default is true.                                                     
                                                                                
                                                                                
                     [...]
+| datafusion.sql_parser.collect_spans                                     | 
false                     | When set to true, the source locations relative to 
the original SQL query (i.e. 
[`Span`](https://docs.rs/sqlparser/latest/sqlparser/tokenizer/struct.Span.html))
 will be collected and recorded in the logical plan nodes.                      
                                                                                
                                                                     [...]
+| datafusion.sql_parser.recursion_limit                                   | 50 
                       | Specifies the recursion depth limit when parsing 
complex SQL Queries                                                             
                                                                                
                                                                                
                                                                                
                    [...]
+| datafusion.sql_parser.default_null_ordering                             | 
nulls_max                 | Specifies the default null ordering for query 
results. There are 4 options: - `nulls_max`: Nulls appear last in ascending 
order. - `nulls_min`: Nulls appear first in ascending order. - `nulls_first`: 
Nulls always be first in any order. - `nulls_last`: Nulls always be last in any 
order. By default, `nulls_max` is used to follow Postgres's behavior. postgres 
rule: <https://www.postgresql [...]
+| datafusion.format.safe                                                  | 
true                      | If set to `true` any formatting errors will be 
written to the output instead of being converted into a [`std::fmt::Error`]     
                                                                                
                                                                                
                                                                                
                      [...]
+| datafusion.format.null                                                  |    
                       | Format string for nulls                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
+| datafusion.format.date_format                                           | 
%Y-%m-%d                  | Date format for date arrays                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.format.datetime_format                                       | 
%Y-%m-%dT%H:%M:%S%.f      | Format for DateTime arrays                          
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.format.timestamp_format                                      | 
%Y-%m-%dT%H:%M:%S%.f      | Timestamp format for timestamp arrays               
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.format.timestamp_tz_format                                   | 
NULL                      | Timestamp format for timestamp with timezone 
arrays. When `None`, ISO 8601 format is used.                                   
                                                                                
                                                                                
                                                                                
                        [...]
+| datafusion.format.time_format                                           | 
%H:%M:%S%.f               | Time format for time arrays                         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
+| datafusion.format.duration_format                                       | 
pretty                    | Duration format. Can be either `"pretty"` or 
`"ISO8601"`                                                                     
                                                                                
                                                                                
                                                                                
                        [...]
+| datafusion.format.types_info                                            | 
false                     | Show types in visual representation batches         
                                                                                
                                                                                
                                                                                
                                                                                
                 [...]
 
 # Runtime Configuration Settings
 
diff --git a/searchindex.js b/searchindex.js
index e93c45479b..4c743a116b 100644
--- a/searchindex.js
+++ b/searchindex.js
@@ -1 +1 @@
-Search.setIndex({"alltitles":{"!=":[[61,"op-neq"]],"!~":[[61,"op-re-not-match"]],"!~*":[[61,"op-re-not-match-i"]],"!~~":[[61,"id19"]],"!~~*":[[61,"id20"]],"#":[[61,"op-bit-xor"]],"%":[[61,"op-modulo"]],"&":[[61,"op-bit-and"]],"(relation,
 name) tuples in logical fields and logical columns are 
unique":[[13,"relation-name-tuples-in-logical-fields-and-logical-columns-are-unique"]],"*":[[61,"op-multiply"]],"+":[[61,"op-plus"]],"-":[[61,"op-minus"]],"/":[[61,"op-divide"]],"<":[[61,"op-lt"]],"<
 [...]
\ No newline at end of file
+Search.setIndex({"alltitles":{"!=":[[61,"op-neq"]],"!~":[[61,"op-re-not-match"]],"!~*":[[61,"op-re-not-match-i"]],"!~~":[[61,"id19"]],"!~~*":[[61,"id20"]],"#":[[61,"op-bit-xor"]],"%":[[61,"op-modulo"]],"&":[[61,"op-bit-and"]],"(relation,
 name) tuples in logical fields and logical columns are 
unique":[[13,"relation-name-tuples-in-logical-fields-and-logical-columns-are-unique"]],"*":[[61,"op-multiply"]],"+":[[61,"op-plus"]],"-":[[61,"op-minus"]],"/":[[61,"op-divide"]],"<":[[61,"op-lt"]],"<
 [...]
\ No newline at end of file
diff --git a/user-guide/configs.html b/user-guide/configs.html
index 7009eba90d..6b8d124429 100644
--- a/user-guide/configs.html
+++ b/user-guide/configs.html
@@ -778,163 +778,167 @@ example, to configure <code class="docutils literal 
notranslate"><span class="pr
 <td><p>true</p></td>
 <td><p>Should DataFusion execute sorts in a per-partition fashion and merge 
afterwards instead of coalescing first and sorting globally. With this flag is 
enabled, plans in the form below <code class="docutils literal 
notranslate"><span class="pre">text</span> <span 
class="pre">&quot;SortExec:</span> <span class="pre">[a&#64;0</span> <span 
class="pre">ASC]&quot;,</span> <span class="pre">&quot;</span> <span 
class="pre">CoalescePartitionsExec&quot;,</span> <span 
class="pre">&quot;</span>  [...]
 </tr>
-<tr class="row-odd"><td><p>datafusion.optimizer.prefer_existing_sort</p></td>
+<tr 
class="row-odd"><td><p>datafusion.optimizer.subset_repartition_threshold</p></td>
+<td><p>4</p></td>
+<td><p>Partition count threshold for subset satisfaction optimization. When 
the current partition count is &gt;= this threshold, DataFusion will skip 
repartitioning if the required partitioning expression is a subset of the 
current partition expression such as Hash(a) satisfies Hash(a, b). When the 
current partition count is &lt; this threshold, DataFusion will repartition to 
increase parallelism even when subset satisfaction applies. Set to 0 to always 
repartition (disable subset satisf [...]
+</tr>
+<tr class="row-even"><td><p>datafusion.optimizer.prefer_existing_sort</p></td>
 <td><p>false</p></td>
 <td><p>When true, DataFusion will opportunistically remove sorts when the data 
is already sorted, (i.e. setting <code class="docutils literal 
notranslate"><span class="pre">preserve_order</span></code> to true on <code 
class="docutils literal notranslate"><span 
class="pre">RepartitionExec</span></code> and using <code class="docutils 
literal notranslate"><span class="pre">SortPreservingMergeExec</span></code>) 
When false, DataFusion will maximize plan parallelism using <code class="docut 
[...]
 </tr>
-<tr class="row-even"><td><p>datafusion.optimizer.skip_failed_rules</p></td>
+<tr class="row-odd"><td><p>datafusion.optimizer.skip_failed_rules</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the logical plan optimizer will produce warning 
messages if any optimization rules produce errors and then proceed to the next 
rule. When set to false, any rules that produce errors will cause the query to 
fail</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.optimizer.max_passes</p></td>
+<tr class="row-even"><td><p>datafusion.optimizer.max_passes</p></td>
 <td><p>3</p></td>
 <td><p>Number of times that the optimizer will attempt to optimize the 
plan</p></td>
 </tr>
-<tr 
class="row-even"><td><p>datafusion.optimizer.top_down_join_key_reordering</p></td>
+<tr 
class="row-odd"><td><p>datafusion.optimizer.top_down_join_key_reordering</p></td>
 <td><p>true</p></td>
 <td><p>When set to true, the physical plan optimizer will run a top down 
process to reorder the join keys</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.optimizer.prefer_hash_join</p></td>
+<tr class="row-even"><td><p>datafusion.optimizer.prefer_hash_join</p></td>
 <td><p>true</p></td>
 <td><p>When set to true, the physical plan optimizer will prefer HashJoin over 
SortMergeJoin. HashJoin can work more efficiently than SortMergeJoin but 
consumes more memory</p></td>
 </tr>
-<tr 
class="row-even"><td><p>datafusion.optimizer.enable_piecewise_merge_join</p></td>
+<tr 
class="row-odd"><td><p>datafusion.optimizer.enable_piecewise_merge_join</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, piecewise merge join is enabled. PiecewiseMergeJoin 
is currently experimental. Physical planner will opt for PiecewiseMergeJoin 
when there is only one range filter.</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.optimizer.hash_join_single_partition_threshold</p></td>
+<tr 
class="row-even"><td><p>datafusion.optimizer.hash_join_single_partition_threshold</p></td>
 <td><p>1048576</p></td>
 <td><p>The maximum estimated size in bytes for one input side of a HashJoin 
will be collected into a single partition</p></td>
 </tr>
-<tr 
class="row-even"><td><p>datafusion.optimizer.hash_join_single_partition_threshold_rows</p></td>
+<tr 
class="row-odd"><td><p>datafusion.optimizer.hash_join_single_partition_threshold_rows</p></td>
 <td><p>131072</p></td>
 <td><p>The maximum estimated size in rows for one input side of a HashJoin 
will be collected into a single partition</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.optimizer.hash_join_inlist_pushdown_max_size</p></td>
+<tr 
class="row-even"><td><p>datafusion.optimizer.hash_join_inlist_pushdown_max_size</p></td>
 <td><p>131072</p></td>
 <td><p>Maximum size in bytes for the build side of a hash join to be pushed 
down as an InList expression for dynamic filtering. Build sides larger than 
this will use hash table lookups instead. Set to 0 to always use hash table 
lookups. InList pushdown can be more efficient for small build sides because it 
can result in better statistics pruning as well as use any bloom filters 
present on the scan side. InList expressions are also more transparent and 
easier to serialize over the network [...]
 </tr>
-<tr 
class="row-even"><td><p>datafusion.optimizer.hash_join_inlist_pushdown_max_distinct_values</p></td>
+<tr 
class="row-odd"><td><p>datafusion.optimizer.hash_join_inlist_pushdown_max_distinct_values</p></td>
 <td><p>150</p></td>
 <td><p>Maximum number of distinct values (rows) in the build side of a hash 
join to be pushed down as an InList expression for dynamic filtering. Build 
sides with more rows than this will use hash table lookups instead. Set to 0 to 
always use hash table lookups. This provides an additional limit beyond <code 
class="docutils literal notranslate"><span 
class="pre">hash_join_inlist_pushdown_max_size</span></code> to prevent very 
large IN lists that might not provide much benefit over hash t [...]
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.optimizer.default_filter_selectivity</p></td>
+<tr 
class="row-even"><td><p>datafusion.optimizer.default_filter_selectivity</p></td>
 <td><p>20</p></td>
 <td><p>The default filter selectivity used by Filter Statistics when an exact 
selectivity cannot be determined. Valid values are between 0 (no selectivity) 
and 100 (all rows are selected).</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.optimizer.prefer_existing_union</p></td>
+<tr class="row-odd"><td><p>datafusion.optimizer.prefer_existing_union</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the optimizer will not attempt to convert Union to 
Interleave</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.optimizer.expand_views_at_output</p></td>
+<tr 
class="row-even"><td><p>datafusion.optimizer.expand_views_at_output</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, if the returned type is a view type then the output 
will be coerced to a non-view. Coerces <code class="docutils literal 
notranslate"><span class="pre">Utf8View</span></code> to <code class="docutils 
literal notranslate"><span class="pre">LargeUtf8</span></code>, and <code 
class="docutils literal notranslate"><span class="pre">BinaryView</span></code> 
to <code class="docutils literal notranslate"><span 
class="pre">LargeBinary</span></code>.</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.optimizer.enable_sort_pushdown</p></td>
+<tr class="row-odd"><td><p>datafusion.optimizer.enable_sort_pushdown</p></td>
 <td><p>true</p></td>
 <td><p>Enable sort pushdown optimization. When enabled, attempts to push sort 
requirements down to data sources that can natively handle them (e.g., by 
reversing file/row group read order). Returns <strong>inexact 
ordering</strong>: Sort operator is kept for correctness, but optimized input 
enables early termination for TopK queries (ORDER BY … LIMIT N), providing 
significant speedup. Memory: No additional overhead (only changes read order). 
Future: Will add option to detect perfectly so [...]
 </tr>
-<tr class="row-odd"><td><p>datafusion.explain.logical_plan_only</p></td>
+<tr class="row-even"><td><p>datafusion.explain.logical_plan_only</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the explain statement will only print logical 
plans</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.explain.physical_plan_only</p></td>
+<tr class="row-odd"><td><p>datafusion.explain.physical_plan_only</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the explain statement will only print physical 
plans</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.explain.show_statistics</p></td>
+<tr class="row-even"><td><p>datafusion.explain.show_statistics</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the explain statement will print operator statistics 
for physical plans</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.explain.show_sizes</p></td>
+<tr class="row-odd"><td><p>datafusion.explain.show_sizes</p></td>
 <td><p>true</p></td>
 <td><p>When set to true, the explain statement will print the partition 
sizes</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.explain.show_schema</p></td>
+<tr class="row-even"><td><p>datafusion.explain.show_schema</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the explain statement will print schema 
information</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.explain.format</p></td>
+<tr class="row-odd"><td><p>datafusion.explain.format</p></td>
 <td><p>indent</p></td>
 <td><p>Display format of explain. Default is “indent”. When set to “tree”, it 
will print the plan in a tree-rendered format.</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.explain.tree_maximum_render_width</p></td>
+<tr 
class="row-even"><td><p>datafusion.explain.tree_maximum_render_width</p></td>
 <td><p>240</p></td>
 <td><p>(format=tree only) Maximum total width of the rendered tree. When set 
to 0, the tree will have no width limit.</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.explain.analyze_level</p></td>
+<tr class="row-odd"><td><p>datafusion.explain.analyze_level</p></td>
 <td><p>dev</p></td>
 <td><p>Verbosity level for “EXPLAIN ANALYZE”. Default is “dev” “summary” shows 
common metrics for high-level insights. “dev” provides deep operator-level 
introspection for developers.</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.sql_parser.parse_float_as_decimal</p></td>
+<tr 
class="row-even"><td><p>datafusion.sql_parser.parse_float_as_decimal</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, SQL parser will parse float as decimal type</p></td>
 </tr>
-<tr 
class="row-even"><td><p>datafusion.sql_parser.enable_ident_normalization</p></td>
+<tr 
class="row-odd"><td><p>datafusion.sql_parser.enable_ident_normalization</p></td>
 <td><p>true</p></td>
 <td><p>When set to true, SQL parser will normalize ident (convert ident to 
lowercase when not quoted)</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.sql_parser.enable_options_value_normalization</p></td>
+<tr 
class="row-even"><td><p>datafusion.sql_parser.enable_options_value_normalization</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, SQL parser will normalize options value (convert 
value to lowercase). Note that this option is ignored and will be removed in 
the future. All case-insensitive values are normalized automatically.</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.sql_parser.dialect</p></td>
+<tr class="row-odd"><td><p>datafusion.sql_parser.dialect</p></td>
 <td><p>generic</p></td>
 <td><p>Configure the SQL dialect used by DataFusion’s parser; supported values 
include: Generic, MySQL, PostgreSQL, Hive, SQLite, Snowflake, Redshift, MsSQL, 
ClickHouse, BigQuery, Ansi, DuckDB and Databricks.</p></td>
 </tr>
-<tr 
class="row-odd"><td><p>datafusion.sql_parser.support_varchar_with_length</p></td>
+<tr 
class="row-even"><td><p>datafusion.sql_parser.support_varchar_with_length</p></td>
 <td><p>true</p></td>
 <td><p>If true, permit lengths for <code class="docutils literal 
notranslate"><span class="pre">VARCHAR</span></code> such as <code 
class="docutils literal notranslate"><span 
class="pre">VARCHAR(20)</span></code>, but ignore the length. If false, error 
if a <code class="docutils literal notranslate"><span 
class="pre">VARCHAR</span></code> with a length is specified. The Arrow type 
system does not have a notion of maximum string length and thus DataFusion can 
not enforce such limits.</p></td>
 </tr>
-<tr 
class="row-even"><td><p>datafusion.sql_parser.map_string_types_to_utf8view</p></td>
+<tr 
class="row-odd"><td><p>datafusion.sql_parser.map_string_types_to_utf8view</p></td>
 <td><p>true</p></td>
 <td><p>If true, string types (VARCHAR, CHAR, Text, and String) are mapped to 
<code class="docutils literal notranslate"><span 
class="pre">Utf8View</span></code> during SQL planning. If false, they are 
mapped to <code class="docutils literal notranslate"><span 
class="pre">Utf8</span></code>. Default is true.</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.sql_parser.collect_spans</p></td>
+<tr class="row-even"><td><p>datafusion.sql_parser.collect_spans</p></td>
 <td><p>false</p></td>
 <td><p>When set to true, the source locations relative to the original SQL 
query (i.e. <a class="reference external" 
href="https://docs.rs/sqlparser/latest/sqlparser/tokenizer/struct.Span.html";><code
 class="docutils literal notranslate"><span class="pre">Span</span></code></a>) 
will be collected and recorded in the logical plan nodes.</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.sql_parser.recursion_limit</p></td>
+<tr class="row-odd"><td><p>datafusion.sql_parser.recursion_limit</p></td>
 <td><p>50</p></td>
 <td><p>Specifies the recursion depth limit when parsing complex SQL 
Queries</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.sql_parser.default_null_ordering</p></td>
+<tr 
class="row-even"><td><p>datafusion.sql_parser.default_null_ordering</p></td>
 <td><p>nulls_max</p></td>
 <td><p>Specifies the default null ordering for query results. There are 4 
options: - <code class="docutils literal notranslate"><span 
class="pre">nulls_max</span></code>: Nulls appear last in ascending order. - 
<code class="docutils literal notranslate"><span 
class="pre">nulls_min</span></code>: Nulls appear first in ascending order. - 
<code class="docutils literal notranslate"><span 
class="pre">nulls_first</span></code>: Nulls always be first in any order. - 
<code class="docutils litera [...]
 </tr>
-<tr class="row-even"><td><p>datafusion.format.safe</p></td>
+<tr class="row-odd"><td><p>datafusion.format.safe</p></td>
 <td><p>true</p></td>
 <td><p>If set to <code class="docutils literal notranslate"><span 
class="pre">true</span></code> any formatting errors will be written to the 
output instead of being converted into a [<code class="docutils literal 
notranslate"><span class="pre">std::fmt::Error</span></code>]</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.format.null</p></td>
+<tr class="row-even"><td><p>datafusion.format.null</p></td>
 <td><p></p></td>
 <td><p>Format string for nulls</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.format.date_format</p></td>
+<tr class="row-odd"><td><p>datafusion.format.date_format</p></td>
 <td><p>%Y-%m-%d</p></td>
 <td><p>Date format for date arrays</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.format.datetime_format</p></td>
+<tr class="row-even"><td><p>datafusion.format.datetime_format</p></td>
 <td><p>%Y-%m-%dT%H:%M:%S%.f</p></td>
 <td><p>Format for DateTime arrays</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.format.timestamp_format</p></td>
+<tr class="row-odd"><td><p>datafusion.format.timestamp_format</p></td>
 <td><p>%Y-%m-%dT%H:%M:%S%.f</p></td>
 <td><p>Timestamp format for timestamp arrays</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.format.timestamp_tz_format</p></td>
+<tr class="row-even"><td><p>datafusion.format.timestamp_tz_format</p></td>
 <td><p>NULL</p></td>
 <td><p>Timestamp format for timestamp with timezone arrays. When <code 
class="docutils literal notranslate"><span class="pre">None</span></code>, ISO 
8601 format is used.</p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.format.time_format</p></td>
+<tr class="row-odd"><td><p>datafusion.format.time_format</p></td>
 <td><p>%H:%M:%S%.f</p></td>
 <td><p>Time format for time arrays</p></td>
 </tr>
-<tr class="row-odd"><td><p>datafusion.format.duration_format</p></td>
+<tr class="row-even"><td><p>datafusion.format.duration_format</p></td>
 <td><p>pretty</p></td>
 <td><p>Duration format. Can be either <code class="docutils literal 
notranslate"><span class="pre">&quot;pretty&quot;</span></code> or <code 
class="docutils literal notranslate"><span 
class="pre">&quot;ISO8601&quot;</span></code></p></td>
 </tr>
-<tr class="row-even"><td><p>datafusion.format.types_info</p></td>
+<tr class="row-odd"><td><p>datafusion.format.types_info</p></td>
 <td><p>false</p></td>
 <td><p>Show types in visual representation batches</p></td>
 </tr>


---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]


Reply via email to