Fix filters on TIMESTAMP_TO_MILLIS over TIME_FLOOR. #17871
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It is possible for toQueryGranularity to return nonnull for BIGINT rhs, in the case where the time floor expression is wrapped in TIMESTAMP_TO_MILLIS. Prior to this patch, that would throw an (incorrect) error about expecting a literal. This patch fixes the defensive error to have the correct message (in Calcites) and also fixes the filter translation code to not hit that defensive check (in Expressions).
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It is possible for toQueryGranularity to return nonnull for BIGINT rhs, in the case where the time floor expression is wrapped in TIMESTAMP_TO_MILLIS. Prior to this patch, that would throw an (incorrect) error about expecting a literal.
This patch fixes the defensive error to have the correct message (in Calcites) and also fixes the filter translation code to not hit that defensive check (in Expressions).