Lai Zhou created CALCITE-3014:
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Summary: SqlConformanceEnum is hard coded in a few places
Key: CALCITE-3014
URL: https://issues.apache.org/jira/browse/CALCITE-3014
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.19.0
Reporter: Lai Zhou
[~julianhyde] I found SqlConformanceEnum is hard coded in a few places.
[1|https://github.com/apache/calcite/blob/ee83efd360793ef4201f4cdfc2af8d837b76ca69/core/src/main/java/org/apache/calcite/rex/RexExecutorImpl.java#L81]
[2|https://github.com/apache/calcite/blob/72f36a8830afe7f903d8cb32cf547ea484e49fef/core/src/main/java/org/apache/calcite/interpreter/AggregateNode.java#L226]
I think it's not easy to fix them in a generic way. To support different
SQL compatibility modes well, many place of current codebase is possible to be
modified.
It will `drill a hole` to pass the SqlConformance config in the whole process
of one sql query.
May be we can put the SqlConformance config in ThreadLocal, avoiding pass it
frequently.
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