Rui Wang created CALCITE-3340:
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Summary: Make TUMBLE be accepted as an operand for
COLLECTION_TABLE(TABLE syntax) in validator
Key: CALCITE-3340
URL: https://issues.apache.org/jira/browse/CALCITE-3340
Project: Calcite
Issue Type: Sub-task
Reporter: Rui Wang
Assignee: Rui Wang
For query:
SELECT *
FROM TABLE(TUMBLE(
TABLE ORDERS,
DESCRIPTOR(ROWTIME),
INTERVAL '10' MINUTE))
(note reuse TUMBLE operator than use a new unresolved one)
Calcite validator will does a step to do registration and "TABLE(TUMBLE(...))"
will hit [1], where "TUMBLE(...)" will be passed to [2] again but there is no
matching Sqlkind handling for "TUMBLE" (note that TUMBLE's node kind is
TUMBLE).
It seems we should support TUMBLE in [2]. The details of how to support it
needs a bit more discussion.
[1]:
https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java#L2244
[2]:https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/sql/validate/SqlValidatorImpl.java#L2031
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