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Cheng Lian closed SPARK-12444.
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Resolution: Won't Fix
> A lightweight Scala DSL for schema construct
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Cheng Lian resolved SPARK-12371.
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 10331
[https
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Cheng Lian commented on SPARK-12478:
[~marmbrus] I guess this issue probably doesn't block 1.6 since
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Cheng Lian resolved SPARK-9271.
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Resolution: Cannot Reproduce
> Concurrency bug triggered by partition predicate push-d
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Cheng Lian commented on SPARK-9271:
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I only observed this issue in the context of PR #7492. Since
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Cheng Lian updated SPARK-12371:
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Description:
When extracting objects from underlying rows using a Dataset, it's possible
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Cheng Lian updated SPARK-12371:
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Summary: Make sure non-nullable arguments of NewInstance don't receive null
input data (was: Make
Cheng Lian created SPARK-12444:
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Summary: A lightweight Scala DSL for schema construction
Key: SPARK-12444
URL: https://issues.apache.org/jira/browse/SPARK-12444
Project: Spark
Issue Type
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https://issues.apache.org/jira/browse/SPARK-12369?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-12369:
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Summary: DataFrameReader fails on globbing parquet paths that contain
nonexistent path(s
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Cheng Lian updated SPARK-12369:
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Shepherd: Cheng Lian
> DataFrameReader fails on globbing parquet paths that contain nonexist
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https://issues.apache.org/jira/browse/SPARK-11941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15065334#comment-15065334
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Cheng Lian commented on SPARK-11941:
One thing is that, the JSON representation of a DataFrame schema
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https://issues.apache.org/jira/browse/SPARK-11148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15063721#comment-15063721
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Cheng Lian commented on SPARK-11148:
Did you mean the Windows ODBC driver provided by Simba? AFAIK
Cheng Lian created SPARK-12406:
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Summary: Simple join query throws exception that complains
generated classes are not found
Key: SPARK-12406
URL: https://issues.apache.org/jira/browse/SPARK-12406
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Cheng Lian updated SPARK-12406:
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Description:
This should be a regression of [PR
#9923|https://github.com/apache/spark/pull/9923
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Cheng Lian commented on SPARK-12406:
cc [~vanzin]
> Simple join query throws except
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Cheng Lian updated SPARK-12406:
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Description:
This should be a regression of [PR
#9923|https://github.com/apache/spark/pull/9923
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Cheng Lian updated SPARK-12406:
---
Description:
This should be a regression of [PR
#9923|https://github.com/apache/spark/pull/9923
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Cheng Lian updated SPARK-12406:
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Summary: Codegen'd classes can't be found under REPL (was: Simple join
query throws exception
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Cheng Lian updated SPARK-12406:
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Priority: Blocker (was: Major)
> Simple join query throws exception that complains genera
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Cheng Lian updated SPARK-12406:
---
Description:
This should be a regression of [PR
#9923|https://github.com/apache/spark/pull/9923
Cheng Lian created SPARK-12371:
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Summary: Make sure Dataset nullability conforms to its underlying
logical plan
Key: SPARK-12371
URL: https://issues.apache.org/jira/browse/SPARK-12371
Project: Spark
Cheng Lian created SPARK-12336:
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Summary: Outer join using multiple columns results in wrong
nullability
Key: SPARK-12336
URL: https://issues.apache.org/jira/browse/SPARK-12336
Project: Spark
Cheng Lian created SPARK-12335:
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Summary: CentralMomentAgg should be nullable
Key: SPARK-12335
URL: https://issues.apache.org/jira/browse/SPARK-12335
Project: Spark
Issue Type: Bug
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Cheng Lian updated SPARK-12335:
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Issue Type: Sub-task (was: Bug)
Parent: SPARK-12323
> CentralMomentAgg should be nulla
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Cheng Lian updated SPARK-12336:
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Issue Type: Sub-task (was: Bug)
Parent: SPARK-12323
> Outer join using multiple colu
Cheng Lian created SPARK-12342:
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Summary: Corr (Pearson correlation) should be nullable
Key: SPARK-12342
URL: https://issues.apache.org/jira/browse/SPARK-12342
Project: Spark
Issue Type: Sub
Cheng Lian created SPARK-12341:
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Summary: The "comment" field of DESCRIBE result set should be
nullable
Key: SPARK-12341
URL: https://issues.apache.org/jira/browse/SPARK-12341
Proj
istics().isEmpty()) out.format(" STA:[%s]",
meta.getStatistics().toString());
Cheng
On 12/14/15 8:42 PM, Shushant Arora wrote:
Hi
Do you have any sample program in java to validate/read min max of
column groups in Parquet file?
Thanks
On Tue, Dec 8, 2015 at 2:50 PM, Cheng Lian <
hanks,
-Matt
On Fri, Dec 11, 2015 at 1:58 AM, Cheng Lian <l...@databricks.com
<mailto:l...@databricks.com>> wrote:
This is probably caused by schema merging. Were you using Spark
1.4 or earlier versions? Could you please try the following
snippet to see whether it he
Cheng Lian created SPARK-12323:
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Summary: Don't assign default value for non-nullable columns of a
Dataset
Key: SPARK-12323
URL: https://issues.apache.org/jira/browse/SPARK-12323
Project: Spark
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Cheng Lian updated SPARK-10364:
---
Description:
The {{TimestampType}} in Spark SQL is of microsecond precision. Ideally, we
should
Cc Spark user list since this information is generally useful.
On Thu, Dec 10, 2015 at 3:31 PM, Lionheart <87249...@qq.com> wrote:
> Dear, Cheng
> I'm a user of Spark. Our current Spark version is 1.4.1
> In our project, I find there is a bottleneck when loading huge amount
> of
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Cheng Lian resolved SPARK-10366.
Resolution: Fixed
Actually this has already been implemented since at least 1.4.
> Supp
Hi Shane,
I found that Jenkins has been in the status of "Jenkins is going to shut
down" for at least 4 hours (from ~23:30 Dec 9 to 3:45 Dec 10, PDT). Not
sure whether this is part of the schedule or related?
Cheng
On Thu, Dec 10, 2015 at 3:56 AM, shane knapp wrote:
>
This is probably caused by schema merging. Were you using Spark 1.4 or
earlier versions? Could you please try the following snippet to see
whether it helps:
df.write
.format("parquet")
.option("mergeSchema", "false")
.partitionBy(partitionCols: _*)
.mode(saveMode)
.save(targetPath)
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Cheng Lian resolved SPARK-12131.
Resolution: Fixed
Fix Version/s: 2.0.0
Resolved by https://github.com/apache/spark/pull
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Cheng Lian resolved SPARK-12252.
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 10239
[https
com <mailto:absi...@informatica.com>> wrote:
Yes, Parquet has min/max.
*From:*Cheng Lian [mailto:l...@databricks.com
<mailto:l...@databricks.com>]
*Sent:* Monday, December 07, 2015 11:21 AM
*To:* Ted Yu
*Cc:* Shushant Arora; u...@spark.apache.org
<mailto:
com <mailto:absi...@informatica.com>> wrote:
Yes, Parquet has min/max.
*From:*Cheng Lian [mailto:l...@databricks.com
<mailto:l...@databricks.com>]
*Sent:* Monday, December 07, 2015 11:21 AM
*To:* Ted Yu
*Cc:* Shushant Arora; user@spark.apache.org
<mailto:
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Cheng Lian resolved SPARK-11676.
Resolution: Fixed
Fix Version/s: 2.0.0
Issue resolved by pull request 9659
[https
cc parquet-dev list (it would be nice to always do so for these general
questions.)
Cheng
On 12/6/15 3:10 PM, Shushant Arora wrote:
Hi
I have few doubts on parquet file format.
1.Does parquet keeps min max statistics like in ORC. how can I see
parquet version(whether its1.1,1.2or1.3) for
, Ted Yu wrote:
Cheng:
I only see user@spark in the CC.
FYI
On Sun, Dec 6, 2015 at 8:01 PM, Cheng Lian <l...@databricks.com
<mailto:l...@databricks.com>> wrote:
cc parquet-dev list (it would be nice to always do so for these
general questions.)
Cheng
On 12/
Cheng Lian created SPARK-12131:
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Summary: Cannot create ExpressionEncoder for Array[T] where T is a
nested class
Key: SPARK-12131
URL: https://issues.apache.org/jira/browse/SPARK-12131
Project: Spark
Cheng Lian created SPARK-12094:
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Summary: Better format for query plan tree string
Key: SPARK-12094
URL: https://issues.apache.org/jira/browse/SPARK-12094
Project: Spark
Issue Type: Improvement
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Cheng Lian updated SPARK-12094:
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Description:
When examine plans of complex queries with multiple joins, a pain point of mine
You may try to set Hadoop conf "parquet.enable.summary-metadata" to
false to disable writing Parquet summary files (_metadata and
_common_metadata).
By default Parquet writes the summary files by collecting footers of all
part-files in the dataset while committing the job. Spark also follows
Cheng Lian created PARQUET-398:
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Summary: Testing JIRA ticket for testing committership
Key: PARQUET-398
URL: https://issues.apache.org/jira/browse/PARQUET-398
Project: Parquet
Issue Type: Test
Cheng Lian created SPARK-12046:
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Summary: Visibility and format issues in ScalaDoc/JavaDoc for
branch-1.6
Key: SPARK-12046
URL: https://issues.apache.org/jira/browse/SPARK-12046
Project: Spark
Cheng Lian created SPARK-12047:
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Summary: Unhelpful error messages generated by JavaDoc while doing
sbt unidoc
Key: SPARK-12047
URL: https://issues.apache.org/jira/browse/SPARK-12047
Project: Spark
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Cheng Lian commented on SPARK-9182:
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Converting all {{expressions.Filter}} to {{sources.Filter
for this case? Do you convert on insert or on RDD
to DF conversion?
Regards,
Bryan Jeffrey
Sent from Outlook Mail
*From: *Cheng Lian
*Sent: *Tuesday, November 24, 2015 6:49 AM
*To: *Bryan;user
*Subject: *Re: DateTime Support - Hive Parquet
I see, then this is actually irrelevant to Parquet. I
RDD.coalesce(n) returns a new RDD rather than modifying the original
RDD. So what you need is:
metricsToBeSaved.coalesce(1500).saveAsNewAPIHadoopFile(...)
Cheng
On 11/29/15 12:21 PM, SRK wrote:
Hi,
I have the following code that saves the parquet files in my hourly batch to
hdfs. My
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https://issues.apache.org/jira/browse/SPARK-12000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15030453#comment-15030453
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Cheng Lian commented on SPARK-12000:
Yeah, also found that the error message IS harmful. By switching
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Cheng Lian commented on SPARK-12000:
Hit exactly the same issue and worked it around by switching
Cheng Lian created SPARK-12012:
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Summary: Show more comprehensive PhysicalRDD metadata when
visualizing SQL query plan
Key: SPARK-12012
URL: https://issues.apache.org/jira/browse/SPARK-12012
Project
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Cheng Lian updated SPARK-12012:
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Description: Currently a {{PhysicalRDD}} operator is just visualized as a
node with nothing
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Cheng Lian resolved SPARK-11043.
Resolution: Fixed
Fix Version/s: 1.6.0
1.7.0
Issue resolved by pull
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Cheng Lian updated SPARK-11043:
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Assignee: SaintBacchus
> Hive Thrift Server will log warn "Couldn't find log as
(to nanos, Timestamp, etc) prior to
writing records to hive.
Regards,
Bryan Jeffrey
Sent from Outlook Mail
*From: *Cheng Lian
*Sent: *Tuesday, November 24, 2015 1:42 AM
*To: *Bryan Jeffrey;user
*Subject: *Re: DateTime Support - Hive Parquet
Hey Bryan,
What do you mean by "DateTime prope
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https://issues.apache.org/jira/browse/SPARK-9141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-9141:
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Description:
As I understand, DataFrame.cache() is supposed to work the same as RDD.cache(),
so
It's an honor, thanks for the trust! :)
Cheng
On 11/24/15 2:12 PM, Julien Le Dem wrote:
Welcome Cheng
On Mon, Nov 23, 2015 at 5:51 PM, Ryan Blue <b...@cloudera.com> wrote:
On behalf of the Parquet PMC, I'm happy to announce that Cheng Lian has
been invited to be a committer on the p
Hey Bryan,
What do you mean by "DateTime properties"? Hive and Spark SQL both
support DATE and TIMESTAMP types, but there's no DATETIME type. So I
assume you are referring to Java class DateTime (possibly the one in
joda)? Could you please provide a sample snippet that illustrates your
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https://issues.apache.org/jira/browse/SPARK-10367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15013199#comment-15013199
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Cheng Lian commented on SPARK-10367:
Dropped.
> Support Parquet logical type INTER
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Cheng Lian updated SPARK-10367:
---
Target Version/s: (was: 1.6.0)
> Support Parquet logical type INTER
ns where this rdd will
lend.Have you used multiple output formats in spark?
On Fri, Nov 13, 2015 at 3:56 PM, Cheng Lian <lian.cs@gmail.com
<mailto:lian.cs@gmail.com>> wrote:
Oh I see. Then parquet-avro should probably be more useful. AFAIK,
parquet-hive is only
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Cheng Lian updated SPARK-9686:
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Priority: Blocker (was: Major)
> Spark Thrift server doesn't return correct JDBC metad
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Cheng Lian updated SPARK-11785:
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Priority: Blocker (was: Major)
> When deployed against remote Hive metastore with lower versi
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Cheng Lian reassigned SPARK-11783:
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Assignee: Cheng Lian
> When deployed against remote Hive metastore, HiveContext.executionH
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Cheng Lian updated SPARK-11785:
---
Assignee: Cheng Lian
> When deployed against remote Hive metastore with lower versions, J
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Cheng Lian commented on SPARK-9686:
---
[~navis] Thanks for the information! I'll try you patch shortly
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Cheng Lian updated SPARK-11694:
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Fix Version/s: 1.7.0
> Parquet logical types are not being tested prope
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https://issues.apache.org/jira/browse/SPARK-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15008827#comment-15008827
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Cheng Lian commented on SPARK-11153:
You are right that Impala and Hive write timestamps as Parquet
Cheng Lian created SPARK-11783:
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Summary: When deployed against remote Hive metastore,
HiveContext.executionHive points to wrong metastore
Key: SPARK-11783
URL: https://issues.apache.org/jira/browse/SPARK-11783
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Cheng Lian commented on SPARK-9686:
---
Tested 1.7-SNAPSHOT
([fa13301|https://github.com/apache/spark
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Cheng Lian commented on SPARK-11153:
Yes please file a ticket.
One complication here
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Cheng Lian commented on SPARK-11783:
This
[comment|https://issues.apache.org/jira/browse/SPARK-9686
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Cheng Lian updated SPARK-6776:
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Fix Version/s: 1.5.0
> Implement backwards-compatibility rules in Catalyst converters (which conv
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Cheng Lian commented on SPARK-6776:
---
It's 1.5.0, just added.
> Implement backwards-compatibility ru
Cheng Lian created SPARK-11785:
--
Summary: When deployed against remote Hive metastore with lower
versions, JDBC metadata calls throws exception
Key: SPARK-11785
URL: https://issues.apache.org/jira/browse/SPARK-11785
It would be nice if we can also have a new parquet-format release and
include it in parquet-mr 1.9.0, so that the SLF4J dependency issue can
be fixed. In this way, user libraries/applications will be able to
redirect Parquet logs using the JUL bridge provided by SLF4J.
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Cheng Lian resolved SPARK-11044.
Resolution: Fixed
Fix Version/s: 1.7.0
Issue resolved by pull request 9060
[https
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Cheng Lian resolved SPARK-11692.
Resolution: Fixed
Fix Version/s: 1.7.0
Issue resolved by pull request 9658
[https
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Cheng Lian updated SPARK-11044:
---
Assignee: Hyukjin Kwon
> Parquet writer version fixed as versi
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Cheng Lian updated SPARK-11692:
---
Assignee: Hyukjin Kwon
> Support for Parquet logical types, JSON and BSON (embedded ty
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Cheng Lian updated SPARK-11044:
---
Fix Version/s: 1.6.0
> Parquet writer version fixed as versi
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Cheng Lian edited comment on SPARK-11153 at 11/15/15 11:43 AM:
---
Good
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Cheng Lian resolved SPARK-11694.
Resolution: Fixed
Fix Version/s: 1.6.0
Issue resolved by pull request 9660
[https
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Cheng Lian updated SPARK-11694:
---
Assignee: Hyukjin Kwon
> Parquet logical types are not being tested prope
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Cheng Lian commented on SPARK-11153:
Yes.
> Turns off Parquet filter push-down for string and bin
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https://issues.apache.org/jira/browse/SPARK-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian updated SPARK-11153:
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Comment: was deleted
(was: Yes.)
> Turns off Parquet filter push-down for string and binary colu
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https://issues.apache.org/jira/browse/SPARK-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15005005#comment-15005005
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Cheng Lian commented on SPARK-11153:
Yes.
> Turns off Parquet filter push-down for string and bin
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https://issues.apache.org/jira/browse/SPARK-11153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15005023#comment-15005023
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Cheng Lian commented on SPARK-11153:
Good question. We tried, see [PR
#9225|https://github.com
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https://issues.apache.org/jira/browse/SPARK-11678?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-11678.
Resolution: Fixed
Fix Version/s: 1.6.0
1.7.0
Issue resolved by pull
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https://issues.apache.org/jira/browse/SPARK-5968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15001885#comment-15001885
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Cheng Lian commented on SPARK-5968:
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As explained in the JIRA description, this issue shouldn't affect
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https://issues.apache.org/jira/browse/SPARK-11661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-11661.
Resolution: Fixed
Fix Version/s: 1.6.0
1.7.0
Issue resolved by pull
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https://issues.apache.org/jira/browse/SPARK-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15003549#comment-15003549
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Cheng Lian commented on SPARK-11191:
Sorry that I wasn't clear enough in my previous reply. So
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https://issues.apache.org/jira/browse/SPARK-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15002047#comment-15002047
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Cheng Lian commented on SPARK-11191:
This issue consists of two bugs. One of them is the ADD JAR
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https://issues.apache.org/jira/browse/SPARK-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15003578#comment-15003578
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Cheng Lian commented on SPARK-11191:
What error message/exception stacktrace did you get when working
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https://issues.apache.org/jira/browse/SPARK-11191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15002385#comment-15002385
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Cheng Lian commented on SPARK-11191:
Spark SQL hasn't supported persisted functions yet.
> [
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https://issues.apache.org/jira/browse/SPARK-11500?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cheng Lian resolved SPARK-11500.
Resolution: Fixed
Fix Version/s: 1.7.0
Issue resolved by pull request 9517
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