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From jihoonson <...@git.apache.org>
Subject [GitHub] tajo pull request: TAJO-836
Date Thu, 03 Jul 2014 01:22:54 GMT
Github user jihoonson commented on a diff in the pull request:

    https://github.com/apache/tajo/pull/15#discussion_r14493505
  
    --- Diff: tajo-core/src/main/antlr4/org/apache/tajo/engine/parser/SQLParser.g4 ---
    @@ -68,8 +68,8 @@ schema_statement
       ;
     
     index_statement
    -  : CREATE (u=UNIQUE)? INDEX n=identifier ON t=table_name (m=method_specifier)?
    -    LEFT_PAREN s=sort_specifier_list RIGHT_PAREN p=param_clause?
    +  : CREATE (u=UNIQUE)? INDEX identifier ON table_name (method_specifier)?
    +    LEFT_PAREN sort_specifier_list RIGHT_PAREN param_clause? (where_clause)?
    --- End diff --
    
    ```where_clause``` is already supported in this patch.
    CreateIndexNode can have ScanNode as its child.
    The ```where_clause``` is evaluated in Scan.


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