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https://issues.apache.org/jira/browse/HIVE-24519?focusedWorklogId=525009&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-525009
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ASF GitHub Bot logged work on HIVE-24519:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 16/Dec/20 13:06
Start Date: 16/Dec/20 13:06
Worklog Time Spent: 10m
Work Description: kasakrisz commented on a change in pull request #1772:
URL: https://github.com/apache/hive/pull/1772#discussion_r544282613
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/ddl/view/materialized/alter/rebuild/AlterMaterializedViewRebuildAnalyzer.java
##########
@@ -69,6 +72,23 @@ public void analyzeInternal(ASTNode root) throws
SemanticException {
LOG.debug("Rebuilding materialized view " +
tableName.getNotEmptyDbTable());
super.analyzeInternal(rewrittenAST);
+
+ try {
+ Table table = db.getTable(tableName.getDb(), tableName.getTable());
Review comment:
Thanks for highlighting that we have all necessary info before calling
`super.analyzeInternal()`.
Creating `HiveOperation.ALTER_MATERIALIZED_VIEW_REBUILD` was necessary to
get this work but no need to modify the `rootTasks`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 525009)
Time Spent: 0.5h (was: 20m)
> Optimize MV: Materialized views should not rebuild when tables are not
> modified
> -------------------------------------------------------------------------------
>
> Key: HIVE-24519
> URL: https://issues.apache.org/jira/browse/HIVE-24519
> Project: Hive
> Issue Type: Sub-task
> Components: Materialized views
> Reporter: Rajesh Balamohan
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> e.g
> {noformat}
> create materialized view c_c_address as
> select c_customer_sk from customer c, customer_address ca where
> c_current_addr_sk = ca.ca_address_id;
> ALTER MATERIALIZED VIEW c_c_address REBUILD; <-- This shouldn't trigger
> rebuild, when source tables are not modified
> {noformat}
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