Chris Dennis created CALCITE-7599:
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             Summary: Enhance parser to allow numeric literals as values in k/v 
hints as suggested by documentation
                 Key: CALCITE-7599
                 URL: https://issues.apache.org/jira/browse/CALCITE-7599
             Project: Calcite
          Issue Type: Bug
          Components: core
    Affects Versions: 1.42.0
            Reporter: Chris Dennis


There is a small inconsistency remaining between the reference documentation 
[https://calcite.apache.org/docs/reference.html#syntax] and the parser syntax. 
The documentation example show unquoted numeric literals being used as values 
in a k/v hint. This isn't reflected in the grammar the follows in the document, 
the parser grammar itself, or in 
{{SqlHintsConverterTest#testDocumentationExample}}. I think it should be pretty 
simple to expand the grammar to support either a string or numeric literal, and 
to update the test to exactly match the documentation example by not quoting 
the two numeric constants.



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