[jira] [Created] (CALCITE-5769) Optimizing 'CAST(e AS t) IS NOT NULL' to 'e IS NOT NULL'

[xiong duan (Jira)]

xiong duan created CALCITE-5769:
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             Summary: Optimizing 'CAST(e AS t) IS NOT NULL' to 'e IS NOT NULL'
                 Key: CALCITE-5769
                 URL: https://issues.apache.org/jira/browse/CALCITE-5769
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.34.0
            Reporter: xiong duan


According to CALCITE-5156. We should support optimize:
 * 'CAST(e AS t) IS NOT NULL' to 'e IS NOT NULL'
 * 'CAST(e AS t) IS NULL' to 'e IS NULL'



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