Mihai Budiu created CALCITE-6547:
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Summary: Result type inferred for STDDEV_SAMP is incorrect
Key: CALCITE-6547
URL: https://issues.apache.org/jira/browse/CALCITE-6547
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.37.0
Reporter: Mihai Budiu
STDDEV_SAMP can return NULL even if the input is non-null and non-empty - it
returns NULL when the input set has only one element. E.g. see the Oracle
documentation:
https://docs.oracle.com/en/database/oracle/oracle-database/21/sqlrf/VAR_SAMP.html
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