Zhihua Deng created HIVE-23997:
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Summary: Some logs in ConstantPropagateProcFactory are not
straightforward
Key: HIVE-23997
URL: https://issues.apache.org/jira/browse/HIVE-23997
Project: Hive
Issue Type: Improvement
Components: Logical Optimizer
Reporter: Zhihua Deng
Assignee: Zhihua Deng
Some logs in ConstantPropagateProcFactory are not easy to understand, like
query:
select * from tbl where a = 'a1';
showing some logs like this:
optimizer.ConstantPropagateProcFactory: Filter
org.apache.hadoop.hive.ql.udf.generic.GenericUDFOPEqual@78907a46 is identified
as a value assignment, propagate it.
Maybe It's better to log like this:
optimizer.ConstantPropagateProcFactory: Filter (a = 'a1') is identified as a
value assignment, propagate it.
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