Github user maropu commented on a diff in the pull request:
https://github.com/apache/spark/pull/22154#discussion_r211792988
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/CodeGeneratorWithInterpretedFallback.scala
---
@@ -63,7 +49,10 @@ abstract class CodeGeneratorWithInterpretedFallback[IN,
OUT] {
try {
createCodeGeneratedObject(in)
} catch {
- case CodegenError(_) => createInterpretedObject(in)
+ case _: Exception =>
+ // We should have already seen the error message in
`CodeGenerator`
+ logWarning("Expr codegen error and falling back to interpreter
mode")
--- End diff --
+ 1 to keep the current message. `CodeGenerator` already has printed many
infos for errors.
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