Commit a85f24a
[SPARK-3831] [SQL] Filter rule Improvement and bool expression optimization.
If we write the filter which is always FALSE like
SELECT * from person WHERE FALSE;
200 tasks will run. I think, 1 task is enough.
And current optimizer cannot optimize the case NOT is duplicated like
SELECT * from person WHERE NOT ( NOT (age > 30));
The filter rule above should be simplified
Author: Kousuke Saruta <[email protected]>
Closes apache#2692 from sarutak/SPARK-3831 and squashes the following commits:
25f3e20 [Kousuke Saruta] Merge branch 'master' of git://git.apache.org/spark into SPARK-3831
23c750c [Kousuke Saruta] Improved unsupported predicate test case
a11b9f3 [Kousuke Saruta] Modified NOT predicate test case in PartitionBatchPruningSuite
8ea872b [Kousuke Saruta] Fixed the number of tasks when the data of LocalRelation is empty.1 parent add174a commit a85f24a
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lines changed- sql
- catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer
- core/src
- main/scala/org/apache/spark/sql/execution
- test/scala/org/apache/spark/sql/columnar
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