Jungtaek Lim created SPARK-31115:
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Summary: Lots of columns and distinct aggregation functions
triggers compile exception on Janino
Key: SPARK-31115
URL: https://issues.apache.org/jira/browse/SPARK-31115
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 2.4.5, 2.3.4, 3.0.0
Reporter: Jungtaek Lim
We got some report on failure on user's query which Janino throws error on
compiling generated code. The issue is here:
[janino-compiler/janino#113|https://github.com/janino-compiler/janino/issues/113]
It contains the information of generated code, symptom (error), and analysis of
the bug, so please refer the link for more details.
It would be ideal to upgrade Janino to the new version which contains the fix
[janino-compiler/janino#114|https://github.com/janino-compiler/janino/pull/114]
- SPARK-31101 tracks the effort to upgrade Janino, but given upgrading Janino
to 3.1.1 seems to bring lots of test failures and there's no guarantee to have
Janino 3.0.16, we may need to provide workaround to avoid hitting Janino bug.
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