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https://issues.apache.org/jira/browse/HIVE-2153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13030954#comment-13030954
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[email protected] commented on HIVE-2153:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/702/
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(Updated 2011-05-09 23:25:51.497027)
Review request for hive.
Summary
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Escape '_' and '%' in the LIKE operands.
This addresses bug HIVE-2153.
https://issues.apache.org/jira/browse/HIVE-2153
Diffs (updated)
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trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java 1101220
trunk/ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/JDBCStatsAggregator.java
1101220
Diff: https://reviews.apache.org/r/702/diff
Testing
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passed the stats test suite, also tested it manually on mysql in addition to
derby.
Thanks,
Ning
> Stats JDBC LIKE queries should escape '_' and '%'
> -------------------------------------------------
>
> Key: HIVE-2153
> URL: https://issues.apache.org/jira/browse/HIVE-2153
> Project: Hive
> Issue Type: Bug
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: HIVE-2153.2.patch, HIVE-2153.patch
>
>
> DELETE /* Hive stats aggregation:
> org.apache.hadoop.hive.ql.stats.jdbc.JDBCStatsAggregator */ FROM
> PARTITION_STAT_TBL WHERE ID LIKE
> 'hdfs://dfsnode:9000/tmp/hive-root/hive_2011-05-09_04-30-28_586_4184342157898880918/-ext-10000/ds=2011-05-08/table_name=dim_page_to_user_suggest_assoc/%'
> It is a prefix query but the '_' in the ID column should be escaped. The same
> applies to '%' if they appear in ID.
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