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https://issues.apache.org/jira/browse/PARQUET-278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16352822#comment-16352822
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ASF GitHub Bot commented on PARQUET-278:
----------------------------------------
GitHub user vdiravka opened a pull request:
https://github.com/apache/drill/pull/1111
Upgrade drill-hive libraries to 2.1.1 version.
Updating hive properties for tests and resolving dependencies and API
conflicts:
* Allowing of using Hive's own calcite-core and avatica versions by
hive-exec.
Calcite version is removed from root POM Dependency Management
* Fix for "hive.metastore.schema.verification", MetaException(message:
Version information not found in metastore)
https://cwiki.apache.org/confluence/display/Hive/Hive+Schema+Tool
METASTORE_SCHEMA_VERIFICATION="false" property is added
* Fix JSONException class is not found (excluded banned org.json dependency)
* Added METASTORE_AUTO_CREATE_ALL="true", properties to tests, because some
additional
tables are necessary in Hive metastore
* Disabling calcite CBO for (Hive's CalcitePlanner) for tests, because it
is in conflict
with Drill's Calcite version for Drill unit tests. HIVE_CBO_ENABLED="false"
property
* jackson and parquet libraries are relocated in hive-exec-shade module
* org.apache.parquet:parquet-column Drill version is added to "hive-exec" to
allow of using Parquet empty group on MessageType level (PARQUET-278)
* Removing of commons-codec exclusion from hive core. This dependency is
necessary for hive-exec and hive-metastore.
* Setting Hive's internal properties for transactional scan:
HiveConf.HIVE_TRANSACTIONAL_TABLE_SCAN and for schema evolution:
HiveConf.HIVE_SCHEMA_EVOLUTION,
IOConstants.SCHEMA_EVOLUTION_COLUMNS,
IOConstants.SCHEMA_EVOLUTION_COLUMNS_TYPES
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/vdiravka/drill DRILL-5978
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/1111.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1111
----
commit 476c44cce7a38ff818c5e328e3db61773bab18a3
Author: Vitalii Diravka <vitalii.diravka@...>
Date: 2017-11-13T16:04:03Z
Upgrade drill-hive libraries to 2.1.1 version.
Updating hive properties for tests and resolving dependencies and API
conflicts:
* Allowing of using Hive's own calcite-core and avatica versions by
hive-exec.
Calcite version is removed from root POM Dependency Management
* Fix for "hive.metastore.schema.verification", MetaException(message:
Version information not found in metastore)
https://cwiki.apache.org/confluence/display/Hive/Hive+Schema+Tool
METASTORE_SCHEMA_VERIFICATION="false" property is added
* Fix JSONException class is not found (excluded banned org.json dependency)
* Added METASTORE_AUTO_CREATE_ALL="true", properties to tests, because some
additional
tables are necessary in Hive metastore
* Disabling calcite CBO for (Hive's CalcitePlanner) for tests, because it
is in conflict
with Drill's Calcite version for Drill unit tests. HIVE_CBO_ENABLED="false"
property
* jackson and parquet libraries are relocated in hive-exec-shade module
* org.apache.parquet:parquet-column Drill version is added to "hive-exec" to
allow of using Parquet empty group on MessageType level (PARQUET-278)
* Removing of commons-codec exclusion from hive core. This dependency is
necessary for hive-exec and hive-metastore.
* Setting Hive's internal properties for transactional scan:
HiveConf.HIVE_TRANSACTIONAL_TABLE_SCAN and for schema evolution:
HiveConf.HIVE_SCHEMA_EVOLUTION,
IOConstants.SCHEMA_EVOLUTION_COLUMNS,
IOConstants.SCHEMA_EVOLUTION_COLUMNS_TYPES
----
> enforce non empty group on MessageType level
> --------------------------------------------
>
> Key: PARQUET-278
> URL: https://issues.apache.org/jira/browse/PARQUET-278
> Project: Parquet
> Issue Type: Improvement
> Components: parquet-mr
> Affects Versions: 1.5.0, 1.6.0, 1.7.0
> Reporter: Tianshuo Deng
> Assignee: Tianshuo Deng
> Priority: Major
> Fix For: 1.8.0
>
>
> As columnar format, parquet currently does not support empty struct/group
> without leaves. We should throw when constructing an empty GroupType to give
> a clear message.
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