Julian Hyde created CALCITE-1969:
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Summary: Annotate user-defined functions as strict and semi-strict
Key: CALCITE-1969
URL: https://issues.apache.org/jira/browse/CALCITE-1969
Project: Calcite
Issue Type: Bug
Reporter: Julian Hyde
Assignee: Julian Hyde
Annotate user-defined functions as strict and semi-strict.
Definitions:
* A strict function returns null if and only if one or more of its arguments
are null.
* A semi-strict function returns null if one or more of its arguments are null.
The code generator should use these annotations to generate more efficient code.
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