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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/02/01 04:10:45 UTC

[GitHub] [shardingsphere] jackyLqq commented on a change in pull request #9239: sql hint

jackyLqq commented on a change in pull request #9239:
URL: https://github.com/apache/shardingsphere/pull/9239#discussion_r567553867



##########
File path: shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-mysql/src/main/antlr4/imports/mysql/DMLStatement.g4
##########
@@ -237,6 +237,31 @@ withClause
     : WITH RECURSIVE? cteClause (COMMA_ cteClause)*
     ;
 
+hintComment
+    : SLASH_ ASTERISK_ NOT_ (databaseHintComment| shardingHintComment) ASTERISK_ SLASH_
+    ;
+
+databaseHintComment
+    : DATABASESHARDING LP_ identifier RP_
+    ;
+
+shardingHintComment
+    : shardingDatabaseHintComment? shardingTableHintComment?
+    | shardingTableHintComment? shardingDatabaseHintComment?
+    ;

Review comment:
       sharding table hint and sharding database hint support different order




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