sankarh commented on a change in pull request #579: HIVE-21109 : Support stats
replication for ACID tables.
URL: https://github.com/apache/hive/pull/579#discussion_r269844369
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java
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@@ -2689,7 +2689,19 @@ private int alterTable(Hive db, AlterTableDesc
alterTbl) throws HiveException {
} else {
// Note: this is necessary for UPDATE_STATISTICS command, that
operates via ADDPROPS (why?).
// For any other updates, we don't want to do txn check on
partitions when altering table.
- boolean isTxn = alterTbl.getPartSpec() != null && alterTbl.getOp() ==
AlterTableTypes.ADDPROPS;
+ boolean isTxn = false;
+ if (alterTbl.getPartSpec() != null && alterTbl.getOp() ==
AlterTableTypes.ADDPROPS) {
+ // ADDPROPS is used to add repl.last.id during replication. That's
not a transactional
+ // change.
+ Map<String, String> props = alterTbl.getProps();
+ if (props.size() <= 1 &&
props.get(ReplicationSpec.KEY.CURR_STATE_ID.toString()) != null) {
Review comment:
I don't know. I would suggest to keep it non-transactional only in repl flow
to avoid any impacts.
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