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Review request for hive, Alexander Kolbasov and Yongzhi Chen. Repository: hive-git Description ------- If the table contains a lot of columns e.g, 5k, simple table rename would fail with the following stack trace. The issue is datanucleus can't handle the query with lots of colName='c1' && colName='c2' && ... . I'm breaking the query into multiple smaller queries and then we aggregate the result together. Diffs ----- standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/Batchable.java PRE-CREATION standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/MetaStoreDirectSql.java 6ead20aeaf standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/ObjectStore.java 88d88ed4df standalone-metastore/src/main/java/org/apache/hadoop/hive/metastore/conf/MetastoreConf.java 9f822564bd Diff: https://reviews.apache.org/r/66188/diff/1/ Testing ------- Manual test has been done for large column of tables. Thanks, Aihua Xu
