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Subject: Re: Review Request 56334: HIVE-12767: Implement table property to
 address Parquet int96 timestamp bug
From: Sergio Pena <sergio.pena@cloudera.com>
To: Sergio Pena <sergio.pena@cloudera.com>, Ryan Blue <blue@apache.org>
Cc: Barna Zsombor Klara <zsombor.klara@cloudera.com>,
 hive <dev@hive.apache.org>
Date: Mon, 27 Feb 2017 23:20:06 -0000
Message-ID: <20170227232006.32557.49988@reviews.apache.org>
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Reply-To: Sergio Pena <sergio.pena@cloudera.com>
archived-at: Mon, 27 Feb 2017 23:20:09 -0000

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/56334/#review166963
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Ship it!


Ship It!

- Sergio Pena


On Feb. 24, 2017, 2:56 p.m., Barna Zsombor Klara wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/56334/
> -----------------------------------------------------------
> 
> (Updated Feb. 24, 2017, 2:56 p.m.)
> 
> 
> Review request for hive, Ryan Blue and Sergio Pena.
> 
> 
> Bugs: HIVE-12767
>     https://issues.apache.org/jira/browse/HIVE-12767
> 
> 
> Repository: hive-git
> 
> 
> Description
> -------
> 
> This is a followup on this review request: https://reviews.apache.org/r/41821
> The following exit criteria is addressed in this patch:
> 
> - Hive will read Parquet MR int96 timestamp data and adjust values using a time zone from a table property, if set, or using the local time zone if it is absent. No adjustment will be applied to data written by Impala.
> - Hive will write Parquet int96 timestamps using a time zone adjustment from the same table property, if set, or using the local time zone if it is absent. This keeps the data in the table consistent.
> - New tables created by Hive will set the table property to UTC if the global option to set the property for new tables is enabled.
> - Tables created using CREATE TABLE and CREATE TABLE LIKE FILE will not set the property unless the global setting to do so is enabled.
> - Tables created using CREATE TABLE LIKE <OTHER TABLE> will copy the property of the table that is copied.
> 
> To set the timezone table property, use this:
>   create table tbl1 (ts timestamp) stored as parquet tblproperties ('parquet.mr.int96.write.zone'='PST');
> 
> To set UTC as default timezone table property on new tables created, use this: 
>   set parquet.mr.int96.enable.utc.write.zone=true;
>   create table tbl2 (ts timestamp) stored as parquet;
> 
> 
> Diffs
> -----
> 
>   common/src/java/org/apache/hadoop/hive/conf/HiveConf.java f0c129bcbe25f07f30eba14234e30a6442649437 
>   data/files/impala_int96_timestamp.parq PRE-CREATION 
>   itests/hive-jmh/src/main/java/org/apache/hive/benchmark/storage/ColumnarStorageBench.java a14b7900afb00a7d304b0dc4f6482a2b87716919 
>   ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java adabe70fa8f0fe1b990c6ac578a14ff5af06fc93 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/MapredParquetOutputFormat.java 379a9135d9c631b2f473976b00f3dc87f9fec0c4 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/ParquetRecordReaderBase.java 167f9b6516ac093fa30091daf6965de25e3eccb3 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/convert/ETypeConverter.java 76d93b8e02a98c95da8a534f2820cd3e77b4bb43 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/read/DataWritableReadSupport.java 604cbbcc2a9daa8594397e315cc4fd8064cc5005 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/read/ParquetRecordReaderWrapper.java ac430a67682d3dcbddee89ce132fc0c1b421e368 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/serde/ParquetTableUtils.java PRE-CREATION 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/timestamp/NanoTimeUtils.java 3fd75d24f3fda36967e4957e650aec19050b22f8 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedParquetRecordReader.java b6a1a7a64db6db0bf06d2eea70a308b88f06156e 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/vector/VectorizedPrimitiveColumnReader.java 3d5c6e6a092dd6a0303fadc6a244dad2e31cd853 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/write/DataWritableWriteSupport.java f4621e5dbb81e8d58c4572c901ec9d1a7ca8c012 
>   ql/src/java/org/apache/hadoop/hive/ql/io/parquet/write/DataWritableWriter.java 6b7b50a25e553629f0f492e964cc4913417cb500 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/TestDataWritableWriter.java 934ae9f255d0c4ccaa422054fcc9e725873810d4 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/TestVectorizedColumnReader.java 670bfa609704d3001dd171b703b657f57fbd4c74 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/VectorizedColumnReaderTestBase.java f537ceee505c5f41d513df3c89b63453012c9979 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/convert/TestETypeConverter.java PRE-CREATION 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/serde/TestParquetTimestampUtils.java ec6def5b9ac5f12e6a7cb24c4f4998a6ca6b4a8e 
>   ql/src/test/org/apache/hadoop/hive/ql/io/parquet/timestamp/TestNanoTimeUtils.java PRE-CREATION 
>   ql/src/test/queries/clientpositive/parquet_int96_timestamp.q PRE-CREATION 
>   ql/src/test/queries/clientpositive/parquet_timestamp_conversion.q PRE-CREATION 
>   ql/src/test/results/clientpositive/parquet_int96_timestamp.q.out PRE-CREATION 
>   ql/src/test/results/clientpositive/parquet_timestamp_conversion.q.out PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/56334/diff/
> 
> 
> Testing
> -------
> 
> qtest and unit tests added.
> 
> 
> Thanks,
> 
> Barna Zsombor Klara
> 
>


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