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Review request for hive. Repository: hive-git Description ------- HIVE-13616: Investigate renaming a table without invalidating the column stats Diffs ----- metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java 0652b9db1a4224262611ff9258e871647442cfeb ql/src/test/queries/clientpositive/rename_table_update_column_stats.q PRE-CREATION ql/src/test/results/clientpositive/rename_table_update_column_stats.q.out PRE-CREATION Diff: https://reviews.apache.org/r/47353/diff/ Testing ------- Tests have been run and the failed tests don't seem to be related. To carry over the column stats during renaming the table, the patch 1. Save affected column stats 2. Rename the table 3. Write the saved column stats for the new table. In this order, column stats will find the foreign key when writing in 3). Thanks, Aihua Xu
