[jira] [Created] (CALCITE-6709) Parser accepts a call to TRIM() with no arguments

[Mihai Budiu (Jira)]

Mihai Budiu created CALCITE-6709:
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             Summary: Parser accepts a call to TRIM() with no arguments
                 Key: CALCITE-6709
                 URL: https://issues.apache.org/jira/browse/CALCITE-6709
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.38.0
            Reporter: Mihai Budiu


Parser.jj accepts the following program SELECT TRIM(), although it should not.
In this case it creates an instance of the SqlTrimFunction which has a null 
operand for trimChars.
This is because the parsing of trimChars is optional.



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