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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/08/09 19:40:50 UTC

[GitHub] [shardingsphere] Liangda-w commented on a change in pull request #11695: Add Oracle SQL - FLASHBACK TABLE

Liangda-w commented on a change in pull request #11695:
URL: https://github.com/apache/shardingsphere/pull/11695#discussion_r685469934



##########
File path: shardingsphere-sql-parser/shardingsphere-sql-parser-dialect/shardingsphere-sql-parser-oracle/src/main/antlr4/imports/oracle/DDLStatement.g4
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@@ -1903,3 +1903,13 @@ scnTimestampClause
 restorePointClause
     : RESTORE POINT restorePoint
     ;
+

Review comment:
       yes, `FLASHBACK TABLE employees_test TO TIMESTAMP (SYSTIMESTAMP - INTERVAL '1' minute);` is supported
   
   ![image](https://user-images.githubusercontent.com/66914151/128764248-708ff294-1929-423f-bf00-a4eb840fae79.png)
   
   `timestampValue` is defined as following:
   
   ```
   scnValue
       : literals
       ;
   
   timestampValue
       : LP_? expr+ RP_?
       ;
   
   scnTimestampExpr
       : scnValue | timestampValue
       ;
   ```
   ´
   




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