Maksim Zhuravkov created IGNITE-23813:
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Summary: Sql. Provide correct implementation of LITERAL_AGG
aggregate function
Key: IGNITE-23813
URL: https://issues.apache.org/jira/browse/IGNITE-23813
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Maksim Zhuravkov
Current Implementation of LITERAL_AGG aggregate function (see LiteralVal) is
not correct because it always produces a result of type BOOLEAN. But according
to https://issues.apache.org/jira/browse/CALCITE-4334 this function can return
a value if an arbitrary type.
The implementation of LITERAL_AGG aggregate function should conform to its
definition described in CALCITE-4334:
- it should support all natively supported literals.
- It should use pre-operands provided by AggregateCall (rexList).
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