[CALCITE-7692] FLOOR/CEIL of INTERVAL produces wrong results - #5155
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Signed-off-by: Mihai Budiu <mbudiu@feldera.com>
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BTW: there are some (disabled) tests which use a two-argument |
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Jira Link
CALCITE-7692
Changes Proposed
FLOOR/CEIL were only implemented correctly for INTERVAL LITERALS. This PR generalizes them to arbitrary intervals, using the convertlet table. The implementation bails out for non-deterministic functions - that should probably be handled in a different place for all such rewrites.