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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