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https://issues.apache.org/jira/browse/HIVE-2188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045229#comment-13045229
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jirapos...@reviews.apache.org commented on HIVE-2188:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/831/
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(Updated 2011-06-07 01:11:44.582629)
Review request for hive, Paul Yang and Ashutosh Chauhan.
Changes
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- included Carl's suggestions.
- get_table_objects_by_name retrieves only the tables that it can, and does not
fail out if it cannot retrieve a table.
- removed the ordering of tables returned, since there is no guarantee every
requested table is returned
- modified unit tests
Summary
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Created a function "multi_get_table" that retrieves multiple tables on one trip
to the hive metastore, saving round trip time.
This addresses bug HIVE-2188.
https://issues.apache.org/jira/browse/HIVE-2188
Diffs (updated)
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trunk/metastore/if/hive_metastore.thrift 1130342
trunk/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaStore.java
1130342
trunk/metastore/src/java/org/apache/hadoop/hive/metastore/ObjectStore.java
1130342
trunk/metastore/src/java/org/apache/hadoop/hive/metastore/RawStore.java
1130342
trunk/metastore/src/test/org/apache/hadoop/hive/metastore/TestHiveMetaStore.java
1130342
Diff: https://reviews.apache.org/r/831/diff
Testing
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Added a test case to testMetasore() in TestHiveServer. Also tested for speed
improvements in a client session.
Thanks,
Sohan
> Add multi_get_table function in Hive Metastore
> ----------------------------------------------
>
> Key: HIVE-2188
> URL: https://issues.apache.org/jira/browse/HIVE-2188
> Project: Hive
> Issue Type: New Feature
> Components: Metastore
> Reporter: Sohan Jain
> Assignee: Sohan Jain
> Priority: Minor
> Attachments: HIVE-2188.1.patch, HIVE-2188.3.patch
>
>
> This function would get multiple tables from the hive metastore as opposed to
> just one at a time, saving round trip time to the metastore.
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