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https://issues.apache.org/jira/browse/HIVE-21109?focusedWorklogId=219788&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-219788
]
ASF GitHub Bot logged work on HIVE-21109:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Mar/19 03:16
Start Date: 28/Mar/19 03:16
Worklog Time Spent: 10m
Work Description: sankarh commented on 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
##########
@@ -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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Issue Time Tracking
-------------------
Worklog Id: (was: 219788)
Time Spent: 5.5h (was: 5h 20m)
> Stats replication for ACID tables.
> ----------------------------------
>
> Key: HIVE-21109
> URL: https://issues.apache.org/jira/browse/HIVE-21109
> Project: Hive
> Issue Type: Sub-task
> Reporter: Ashutosh Bapat
> Assignee: Ashutosh Bapat
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-21109.01.patch, HIVE-21109.02.patch,
> HIVE-21109.03.patch, HIVE-21109.04.patch, HIVE-21109.05.patch,
> HIVE-21109.06.patch
>
> Time Spent: 5.5h
> Remaining Estimate: 0h
>
> Transactional tables require a writeID associated with the stats update. This
> writeId needs to be in sync with the writeId on the source and hence needs to
> be replicated from the source.
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