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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