roncenzhao created SPARK-26736:
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Summary: if filter condition has rand() function it does not do
partition prunning
Key: SPARK-26736
URL: https://issues.apache.org/jira/browse/SPARK-26736
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.4.0
Reporter: roncenzhao
Example:
A partitioned table definition:
_create table test(id int) partitioned by (dt string);_
The following sql does not do partition prunning:
_select * from test where dt='20190101' and rand() < 0.5;_
I think it should do partition prunning in this case.
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