Mihai Budiu created CALCITE-7656:
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Summary: Result type inferred for VAR_SAMP is incorrect
Key: CALCITE-7656
URL: https://issues.apache.org/jira/browse/CALCITE-7656
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.42.0
Reporter: Mihai Budiu
Assignee: Mihai Budiu
The result should be always nullable, since VAR_SAMP of a 1-element collection
is NULL, but it's not.
This is the same problem as CALCITE-6547
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