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https://issues.apache.org/jira/browse/HIVE-18842?focusedWorklogId=271999&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-271999
]
ASF GitHub Bot logged work on HIVE-18842:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Jul/19 05:24
Start Date: 04/Jul/19 05:24
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #696: HIVE-18842
URL: https://github.com/apache/hive/pull/696#discussion_r300232535
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
##########
@@ -7297,8 +7435,19 @@ protected Operator genFileSinkPlan(String dest, QB qb,
Operator input)
// Add NOT NULL constraint check
input = genConstraintsPlan(dest, qb, input);
- // Add sorting/bucketing if needed
- input = genBucketingSortingDest(dest, input, qb, tableDescriptor,
destinationTable, rsCtx);
+ if (destinationTable.isMaterializedView() &&
+ mvRebuildMode ==
MaterializationRebuildMode.INSERT_OVERWRITE_REBUILD) {
+ // Data organization (DISTRIBUTED, SORTED, CLUSTERED) for materialized
view
+ // TODO: We only do this for a full rebuild
Review comment:
I think a `WARN` may be too aggressive, since there is nothing wrong in the
system, it is just a feature that is missing (incremental maintenance of the
view does not organize the new data according to the spec). I will add a DEBUG
message though.
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Issue Time Tracking
-------------------
Worklog Id: (was: 271999)
Time Spent: 1h 20m (was: 1h 10m)
> CLUSTERED ON/DISTRIBUTED ON+SORTED ON support for materialized views
> --------------------------------------------------------------------
>
> Key: HIVE-18842
> URL: https://issues.apache.org/jira/browse/HIVE-18842
> Project: Hive
> Issue Type: New Feature
> Components: Materialized views
> Affects Versions: 3.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available, todoc4.0
> Attachments: HIVE-18842.01.patch, HIVE-18842.01.patch,
> HIVE-18842.02.patch, HIVE-18842.03.patch, HIVE-18842.patch
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> We should support defining a {{CLUSTERED ON/DISTRIBUTED ON+SORTED ON}}
> specification for materialized views.
> The syntax should be extended as follows:
> {code:sql}
> CREATE MATERIALIZED VIEW [IF NOT EXISTS] [db_name.]materialized_view_name
> [COMMENT materialized_view_comment]
> [PARTITIONED ON (col_name, ...)]
> [CLUSTERED ON (col_name, ...) | DISTRIBUTED ON (col_name, ...) SORTED ON
> (col_name, ...)] -- NEW!
> [
> [ROW FORMAT row_format]
> [STORED AS file_format]
> | STORED BY 'storage.handler.class.name' [WITH SERDEPROPERTIES (...)]
> ]
> [LOCATION hdfs_path]
> [TBLPROPERTIES (property_name=property_value, ...)]
> AS select_statement;
> {code}
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