MaxGekk commented on code in PR #396: URL: https://github.com/apache/spark-website/pull/396#discussion_r898878958
########## releases/_posts/2022-06-16-spark-release-3-3-0.md: ########## @@ -0,0 +1,477 @@ +--- +layout: post +title: Spark Release 3.3.0 +categories: [] +tags: [] +status: publish +type: post +published: true +meta: +_edit_last: '4' +_wpas_done_all: '1' +--- + +Apache Spark 3.3.0 is the fourth release of the 3.x line. With tremendous contribution from the open-source community, this release managed to resolve in excess of 1,600 Jira tickets. + +This release improve join query performance via Bloom filters, increases the Pandas API coverage with the support of popular Pandas features such as datetime.timedelta and merge_asof, simplifies the migration from traditional data warehouses by improving ANSI compliance and supporting dozens of new built-in functions, boosts development productivity with better error handling, autocompletion, performance, and profiling. + +To download Apache Spark 3.3.0, visit the [downloads](https://spark.apache.org/downloads.html) page. You can consult JIRA for the [detailed changes](https://s.apache.org/spark-3.3.0). We have curated a list of high level changes here, grouped by major modules. + +* This will become a table of contents (this text will be scraped). +{:toc} + + +### Highlight + + + +* Row-level Runtime Filtering ([SPARK-32268](https://issues.apache.org/jira/browse/SPARK-32268)) +* ANSI enhancements ([SPARK-38860](https://issues.apache.org/jira/browse/SPARK-38860)) +* Error Message Improvements ([SPARK-38781](https://issues.apache.org/jira/browse/SPARK-38781)) +* Support complex types for Parquet vectorized reader ([SPARK-34863](https://issues.apache.org/jira/browse/SPARK-34863)) +* Hidden File Metadata Support for Spark SQL ([SPARK-37273](https://issues.apache.org/jira/browse/SPARK-37273)) +* Provide a profiler for Python/Pandas UDFs ([SPARK-37443](https://issues.apache.org/jira/browse/SPARK-37443)) +* Introduce Trigger.AvailableNow for running streaming queries like Trigger.Once in multiple batches ([SPARK-36533](https://issues.apache.org/jira/browse/SPARK-36533)) +* More comprehensive DS V2 push down capabilities ([SPARK-38788](https://issues.apache.org/jira/browse/SPARK-38788)) +* Executor Rolling in Kubernetes environment ([SPARK-37810](https://issues.apache.org/jira/browse/SPARK-37810)) +* Support Customized Kubernetes Schedulers ( [SPARK-36057](https://issues.apache.org/jira/browse/SPARK-36057)) +* Migrating from log4j 1 to log4j 2 ([SPARK-37814](https://issues.apache.org/jira/browse/SPARK-37814)) + + +### Spark SQL and Core + + +#### ANSI mode + + + +* New explicit cast syntax rules in ANSI mode ([SPARK-33354](https://issues.apache.org/jira/browse/SPARK-33354)) +* Elt() should return null if index is null under ANSI mode ([SPARK-38304](https://issues.apache.org/jira/browse/SPARK-38304)) +* Optionally return null result if element not exists in array/map ([SPARK-37750](https://issues.apache.org/jira/browse/SPARK-37750)) +* Allow casting between numeric type and timestamp type ([SPARK-37714](https://issues.apache.org/jira/browse/SPARK-37714)) +* Disable ANSI reserved keywords by default ([SPARK-37724](https://issues.apache.org/jira/browse/SPARK-37724)) +* Use store assignment rules for resolving function invocation ([SPARK-37438](https://issues.apache.org/jira/browse/SPARK-37438)) +* Add a config to allow casting between Datetime and Numeric ([SPARK-37179](https://issues.apache.org/jira/browse/SPARK-37179)) +* Add a config to optionally enforce ANSI reserved keywords ([SPARK-37133](https://issues.apache.org/jira/browse/SPARK-37133)) +* Disallow binary operations between Interval and String literal ([SPARK-36508](https://issues.apache.org/jira/browse/SPARK-36508)) + + +#### Feature Enhancements + + + +* Support ANSI SQL INTERVAL types ([SPARK-27790](https://issues.apache.org/jira/browse/SPARK-27790)) +* Error Message Improvements ([SPARK-38781](https://issues.apache.org/jira/browse/SPARK-38781)) +* Hidden File Metadata Support for Spark SQL ([SPARK-37273](https://issues.apache.org/jira/browse/SPARK-37273)) +* Support raw string literal ([SPARK-36371](https://issues.apache.org/jira/browse/SPARK-36371)) +* Helper class for batch Dataset.observe() ([SPARK-34806](https://issues.apache.org/jira/browse/SPARK-34806)) +* Support specify initial partition number for rebalance ([SPARK-38410](https://issues.apache.org/jira/browse/SPARK-38410)) +* Support cascade mode for `dropNamespace` API ([SPARK-37929](https://issues.apache.org/jira/browse/SPARK-37929)) +* Allow store assignment and implicit cast among datetime types ([SPARK-37707](https://issues.apache.org/jira/browse/SPARK-37707)) +* Collect, first and last should be deterministic aggregate functions ([SPARK-32940](https://issues.apache.org/jira/browse/SPARK-32940)) +* Add ExpressionBuilder for functions with complex overloads ([SPARK-37164](https://issues.apache.org/jira/browse/SPARK-37164)) +* Add array support to union by name ([SPARK-36546](https://issues.apache.org/jira/browse/SPARK-36546)) +* Add df.withMetadata: a syntax sugar to update the metadata of a dataframe ([SPARK-36642](https://issues.apache.org/jira/browse/SPARK-36642)) +* Support raw string literal ([SPARK-36371](https://issues.apache.org/jira/browse/SPARK-36371)) +* Use CAST in parsing of dates/timestamps with default pattern ([SPARK-36418](https://issues.apache.org/jira/browse/SPARK-36418)) +* Support value class in nested schema for Dataset ([SPARK-20384](https://issues.apache.org/jira/browse/SPARK-20384)) +* Add AS OF syntax support ([SPARK-37219](https://issues.apache.org/jira/browse/SPARK-37219)) +* Add REPEATABLE in TABLESAMPLE to specify seed ([SPARK-37165](https://issues.apache.org/jira/browse/SPARK-37165)) +* Add ansi syntax `set catalog xxx` to change the current catalog ([SPARK-36841](https://issues.apache.org/jira/browse/SPARK-36841)) +* Support ILIKE (ALL | ANY | SOME) - case insensitive LIKE ([SPARK-36674](https://issues.apache.org/jira/browse/SPARK-36674), [SPARK-36736](https://issues.apache.org/jira/browse/SPARK-36736), [SPARK-36778](https://issues.apache.org/jira/browse/SPARK-36778)) +* Support query stage show runtime statistics in formatted explain mode ([SPARK-38322](https://issues.apache.org/jira/browse/SPARK-38322)) +* Add spill size metrics for sort merge join ([SPARK-37726](https://issues.apache.org/jira/browse/SPARK-37726)) +* Update the SQL syntax of SHOW FUNCTIONS ([SPARK-37777](https://issues.apache.org/jira/browse/SPARK-37777)) +* Implement support for DEFAULT values for columns in tables ([SPARK-38334](https://issues.apache.org/jira/browse/SPARK-38334)) Review Comment: Yep, let me remove it. -- This is an automated message from the Apache Git Service. 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