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(Updated May 17, 2016, 1:25 p.m.) Review request for hive and Chaoyu Tang. Repository: hive-git Description ------- HIVE-13616: Investigate renaming a table without invalidating the column stats Diffs (updated) ----- metastore/src/java/org/apache/hadoop/hive/metastore/HiveAlterHandler.java 0652b9d 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
