Ted Xu created CALCITE-1299:
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Summary: Reference type of Pulled Up Predicates is not handled
properly
Key: CALCITE-1299
URL: https://issues.apache.org/jira/browse/CALCITE-1299
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: next
Reporter: Ted Xu
Assignee: Julian Hyde
Priority: Critical
Fix For: 1.9.0
RelMdPredicates is not handling reference types well. Noticing the following
query:
{code:title=query.sql|borderStyle=solid}
SELECT * FROM
(SELECT * FROM src) o JOIN (SELECT "foo" as key, value FROM src1) o1
ON o.key = o1.key
{code}
The right side predicate is [key -> "foo"] with key type VARCHAR NOT NULL, the
very type is not matching the input reference from the left side, causing error
when applying JoinPushTransitivePredicatesRule.
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