[I] Parse Oracle merge statement error when we write not matched first [shardingsphere]

["strongduanmu (via GitHub)" <gi...@apache.org>]

strongduanmu opened a new issue, #30453:
URL: https://github.com/apache/shardingsphere/issues/30453

   ## Bug Report
   
   ### Which version of ShardingSphere did you use?
   
   [6c6816a](https://github.com/apache/shardingsphere/commit/6c6816a2a3d121a83b6f9f1afcedb2bd2d152726)
   
   ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
   
   ShardingSphere-Proxy
   
   ### Expected behavior
   
   Parse following sql successfully.
   
   ```sql
   MERGE INTO t_order t1
   USING (SELECT ? AS userId, ? AS orderId
          FROM DUAL) t2
   ON (t1.user_id = t2.userId AND t1.order_id = t2.orderId)
   WHEN NOT MATCHED THEN
       INSERT (order_id, user_id, status, merchant_id, remark, creation_date)
       VALUES (?, ?, ?, ?, ?, DATE '2017-08-08')
   WHEN MATCHED THEN
       UPDATE
       SET merchant_id = ?,
           remark      = ?,
           status      = ?;
   ```
   
   ### Actual behavior
   
   SQL Parser exception occurs.
   
   ### Reason analyze (If you can)
   
   ### Steps to reproduce the behavior, such as: SQL to execute, sharding rule configuration, when exception occur etc.
   
   ### Example codes for reproduce this issue (such as a github link).
   


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Re: [I] Parse Oracle merge statement error when we write not matched first [shardingsphere]

["strongduanmu (via GitHub)" <gi...@apache.org>]

strongduanmu closed issue #30453: Parse Oracle merge statement error when we write not matched first
URL: https://github.com/apache/shardingsphere/issues/30453


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