[
https://issues.apache.org/jira/browse/HIVE-25747?focusedWorklogId=727075&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-727075
]
ASF GitHub Bot logged work on HIVE-25747:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Feb/22 15:12
Start Date: 15/Feb/22 15:12
Worklog Time Spent: 10m
Work Description: kgyrtkirk commented on a change in pull request #2881:
URL: https://github.com/apache/hive/pull/2881#discussion_r806937463
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/HiveTezModelRelMetadataProvider.java
##########
@@ -58,4 +60,24 @@
HiveRelMdPredicates.SOURCE,
JaninoRelMetadataProvider.DEFAULT)));
+ public static JaninoRelMetadataProvider with(RelOptMaterialization
materialization) {
+ return JaninoRelMetadataProvider.of(
+ ChainedRelMetadataProvider.of(
+ ImmutableList.of(
+ HiveRelMdDistinctRowCount.SOURCE,
Review comment:
can't we reuse somehow the other list(`DEFAULT`):
I think something like this could probably work:
```
public static final JaninoRelMetadataProvider DEFAULT2 =
JaninoRelMetadataProvider.of(
ChainedRelMetadataProvider.of(
ImmutableList.of(
HiveRelMdRowCount.SOURCE,
DEFAULT)));
```
this provider could probably also be moved closer to the place where its
being used
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Issue Time Tracking
-------------------
Worklog Id: (was: 727075)
Time Spent: 1h (was: 50m)
> Make a cost base decision when rebuilding materialized views
> ------------------------------------------------------------
>
> Key: HIVE-25747
> URL: https://issues.apache.org/jira/browse/HIVE-25747
> Project: Hive
> Issue Type: Improvement
> Components: CBO, Materialized views
> Reporter: Krisztian Kasa
> Assignee: Krisztian Kasa
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Choose between full insert-overwrite and partition based incremental rebuild
> plan when rebuilding partitioned materialized views.
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