xiong duan created CALCITE-6638:
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Summary: Simplify '1 > a or 1 <= a or a is null' to TRUE when a
has lossless casts
Key: CALCITE-6638
URL: https://issues.apache.org/jira/browse/CALCITE-6638
Project: Calcite
Issue Type: Bug
Affects Versions: 1.38.0
Reporter: xiong duan
Assignee: xiong duan
Fix For: 1.39.0
Before this PR:
{code:java}
// "OR(IS NULL(?0.a), <(1, CAST(?0.a):INTEGER), >=(1, CAST(?0.a):INTEGER))"
// when (?0.a) is TINYINT
// ==> "OR(IS NULL(?0.a), <(1, CAST(?0.a):INTEGER), >=(1, CAST(?0.a):INTEGER))"
{code}
After this PR:
{code:java}
// "OR(IS NULL(?0.a), <(1, CAST(?0.a):INTEGER), >=(1, CAST(?0.a):INTEGER))"
// when (?0.a) is TINYINT
// ==> "TRUE"{code}
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