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ASF GitHub Bot logged work on HIVE-21109: ----------------------------------------- Author: ASF GitHub Bot Created on: 27/Mar/19 06:58 Start Date: 27/Mar/19 06:58 Worklog Time Spent: 10m Work Description: ashutosh-bapat commented on pull request #579: HIVE-21109 : Support stats replication for ACID tables. URL: https://github.com/apache/hive/pull/579#discussion_r269425412 ########## File path: ql/src/java/org/apache/hadoop/hive/ql/parse/ImportSemanticAnalyzer.java ########## @@ -1247,17 +1244,37 @@ private static void createReplImportTasks( } else if (!replicationSpec.isMetadataOnly() && !shouldSkipDataCopyInReplScope(tblDesc, replicationSpec)) { x.getLOG().debug("adding dependent CopyWork/MoveWork for table"); - t.addDependentTask(loadTable(fromURI, table, replicationSpec.isReplace(), - new Path(tblDesc.getLocation()), replicationSpec, x, writeId, stmtId)); + dependentTasks = new ArrayList<>(1); + dependentTasks.add(loadTable(fromURI, table, replicationSpec.isReplace(), + new Path(tblDesc.getLocation()), replicationSpec, + x, writeId, stmtId)); } - if (dropTblTask != null) { - // Drop first and then create - dropTblTask.addDependentTask(t); - x.getTasks().add(dropTblTask); + // During replication, by the time we reply a commit transaction event, the table should + // have been already created when replaying previous events. So no need to create table + // again. For some reason we need create table task for partitioned table though. Review comment: Corrected. The partition case is already fixed, but the comment wasn't corrected. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 219178) Time Spent: 3h (was: 2h 50m) > 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: 3h > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)