Daniel Barclay (Drill) created DRILL-2676:
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Summary: Review Drill casting combinations re SQL standard (ISO
9705:2011 part 2 § 6.13)
Key: DRILL-2676
URL: https://issues.apache.org/jira/browse/DRILL-2676
Project: Apache Drill
Issue Type: Task
Reporter: Daniel Barclay (Drill)
Drill doesn't allow casting an expression of an ARRAY type to that same ARRAY
type.
That doesn't seem to be compatible with the cast-combinations table in the SQL
spec. (although I haven't checked the rest of the rules yet.
It also seems illogical, since one can't cast something to the type that it
already has.
We should probably review Drill casting combinations against the casting rules
in the SQL specification (ISO 9705:2011 part 2 § 6.13).
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