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From Jens Hübel (JIRA) <j...@apache.org>
Subject [jira] Created: (CMIS-214) Cleanup and Streamlining of query grammar for ANTLR
Date Mon, 31 May 2010 13:40:40 GMT
Cleanup and Streamlining of query grammar for ANTLR
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                 Key: CMIS-214
                 URL: https://issues.apache.org/jira/browse/CMIS-214
             Project: Chemistry
          Issue Type: Improvement
            Reporter: Jens Hübel
            Priority: Minor


In order to make the grammar more consistent, to reflect the spec changes after CMIS 0.5 and
to simplify processing the AST the following changes should be performed:

- Make nodes in grammar tree for AND, OR and NOT operators
- remove imaginary tokens BIN_OP and UN_OP as they do not provide value
- rename imaginary token BIN_OP_ANY to EQ_ANY (EQ is now the only allowed operator)
- use two different imaginary tokens SEL_LIST and IN_LIST for list of literals in SELECT and
WHERE part (these are different things)
- Introduce new imaginary tokens IN_ANY, NOT_IN_ANY for <quantified  comparison predicate>
as this is a separate operator requiring its own processing


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