Liang-Chi Hsieh created SPARK-13839:
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Summary: Defer input evaluation and fix Cast issue in IsNotNull
filtering for Filter codegen
Key: SPARK-13839
URL: https://issues.apache.org/jira/browse/SPARK-13839
Project: Spark
Issue Type: Bug
Components: SQL
Reporter: Liang-Chi Hsieh
After #11585, we filter out the rows early if it have null value. So we can
only evaluate the inputs used in these filtering before this plan. The
evaluation of other inputs can be deferred after the filtering done.
Besides, currently we check IsNotNull(a) to find the attributes needed to
filter out null values. However, the expression IsNotNull(Cast(a, dt)) will not
be checked by this. We should add pattern to find this.
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