Wenchen Fan created SPARK-21320:
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Summary: Make sure all expressions support interpreted evaluation
Key: SPARK-21320
URL: https://issues.apache.org/jira/browse/SPARK-21320
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 2.3.0
Reporter: Wenchen Fan
Most of time Spark SQL will evaluate expressions with codegen. However codegen
is a complex technology, and we have already fixed a lot of bugs for it, and
there will be more. To make Spark SQL more stable, we should have a fallback
for evaluation when codegen fails, and this requires all expressions support
interpreted evaluation. Currently the encoder related expressions are codegen
only, we should fix them.
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