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ASF GitHub Bot logged work on HIVE-21160: ----------------------------------------- Author: ASF GitHub Bot Created on: 31/May/22 09:07 Start Date: 31/May/22 09:07 Worklog Time Spent: 10m Work Description: pvary commented on code in PR #2855: URL: https://github.com/apache/hive/pull/2855#discussion_r885393100 ########## common/src/java/org/apache/hadoop/hive/conf/HiveConf.java: ########## @@ -3381,11 +3381,19 @@ public static enum ConfVars { MERGE_CARDINALITY_VIOLATION_CHECK("hive.merge.cardinality.check", true, "Set to true to ensure that each SQL Merge statement ensures that for each row in the target\n" + "table there is at most 1 matching row in the source table per SQL Specification."), + SPLIT_UPDATE("hive.split.update", true, + "If true, SQL Update statement will be rewritten to a multi-insert with 2 branches:\n" + + "representing delete of existing row and an insert of the new version of the row.\n" + + "Similarly Merge statement will handle WHEN MATCHED UPDATE by splitting it into 2\n" + + "branches of a multi-insert. Updating bucketing and partitioning columns should\n" + + "only be permitted if this is true."), + @Deprecated MERGE_SPLIT_UPDATE("hive.merge.split.update", true, "If true, SQL Merge statement will handle WHEN MATCHED UPDATE by splitting it into 2\n" + "branches of a multi-insert, representing delete of existing row and an insert of\n" + "the new version of the row. Updating bucketing and partitioning columns should\n" + - "only be permitted if this is true."), + "only be permitted if this is true.\n" + + "Use hive.split.update instead."), Review Comment: Also use `deprecated` string in the comment 😄 Issue Time Tracking ------------------- Worklog Id: (was: 776147) Time Spent: 1h 50m (was: 1h 40m) > Rewrite Update statement as Multi-insert and do Update split early > ------------------------------------------------------------------ > > Key: HIVE-21160 > URL: https://issues.apache.org/jira/browse/HIVE-21160 > Project: Hive > Issue Type: Sub-task > Components: Transactions > Affects Versions: 3.0.0 > Reporter: Eugene Koifman > Assignee: Krisztian Kasa > Priority: Major > Labels: pull-request-available > Time Spent: 1h 50m > Remaining Estimate: 0h > -- This message was sent by Atlassian Jira (v8.20.7#820007)