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Posted to notifications@shardingsphere.apache.org by "FlyingZC (via GitHub)" <gi...@apache.org> on 2023/07/13 06:19:09 UTC

[GitHub] [shardingsphere] FlyingZC opened a new issue, #26964: Support parsing Oracle ALTER INDEX sql

FlyingZC opened a new issue, #26964:
URL: https://github.com/apache/shardingsphere/issues/26964

   # Background
   Hi community,
   This issue is for #26878.
   
   ShardingSphere parser engine helps users parse a SQL to get the AST (Abstract Syntax Tree) and visit this tree to get SQLStatement (Java Object). Currently, we are planning to enhance the support for Oracle SQL parsing in ShardingSphere.
   
   More details:
   https://shardingsphere.apache.org/document/current/en/reference/sharding/parse/
   
   # Task
   This issue is to support more oracle sql parse, as follows:
   ```sql
   ALTER INDEX ResumeTextIndex PARAMETERS (':Ignore on');
   ```
   
   ```sql
   ALTER INDEX cost_ix
      MODIFY PARTITION p2 UNUSABLE;
   ```
   
   ```sql
   ALTER DATABASE ENABLE BLOCK CHANGE TRACKING 
     USING FILE '/mydir/rman_change_track.f' REUSE;
   ```
   
   ```sql
   ALTER INDEX index_name PARAMETERS (paramstring)
   ```
   
   ```sql
   ALTER INDEX cost_ix
      DROP PARTITION p1;
   ```
   
   # Process
   1. First confirm that this is a correct oracle sql syntax, if not please ignore;
   2. Compare SQL definitions in Oficial SQL Doc and ShardingSphere SQL Doc;
   3. If there is any difference in ShardingSphere SQL Doc, please correct them by referring to the Official SQL Doc;
   4. Run mvn install the current_file_module;
   5. Check whether there are any exceptions. If indeed, please fix them. (Especially xxxVisitor.class);
   6. Add new corresponding SQL case in SQL Cases and expected parsed result in Expected Statment XML;
   7. Run SQLParserParameterizedTest to make sure no exceptions.
   
   # Relevant Skills
   1. Master JAVA language
   2. Have a basic understanding of Antlr `g4` file
   3. Be familiar with Oracle SQLs


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[GitHub] [shardingsphere] zihaoAK47 commented on issue #26964: Support parsing Oracle ALTER INDEX sql

Posted by "zihaoAK47 (via GitHub)" <gi...@apache.org>.
zihaoAK47 commented on issue #26964:
URL: https://github.com/apache/shardingsphere/issues/26964#issuecomment-1655235933

   Error sql:
   SQL> ALTER INDEX index_name PARAMETERS (paramstring);
   ALTER INDEX index_name PARAMETERS (paramstring)
                                      *
   ERROR at line 1:
   ORA-01780: string literal required


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[GitHub] [shardingsphere] zihaoAK47 commented on issue #26964: Support parsing Oracle ALTER INDEX sql

Posted by "zihaoAK47 (via GitHub)" <gi...@apache.org>.
zihaoAK47 commented on issue #26964:
URL: https://github.com/apache/shardingsphere/issues/26964#issuecomment-1653277831

   Aha, please assign it to me and I will solve it. Thank you :blush: 


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[GitHub] [shardingsphere] FlyingZC closed issue #26964: Support parsing Oracle ALTER INDEX sql

Posted by "FlyingZC (via GitHub)" <gi...@apache.org>.
FlyingZC closed issue #26964: Support parsing Oracle ALTER INDEX sql
URL: https://github.com/apache/shardingsphere/issues/26964


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