ashutosh-bapat 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_r269423978
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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) {
+ isTxn = false;
+ } else {
+ isTxn = true;
+ }
+ }
+ // TODO: Somehow we have to signal alterPartitions that it's part of
replication and
+ // should use replication's valid writeid list instead of creating
one.
Review comment:
I have addressed this comment and removed it as well. But didn't commit the
change and thus wasn't part of the PR. I have updated PR. This TODO is no more
there. Sorry.
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