[GitHub] [shardingsphere] FlyingZC opened a new issue, #26979: Support parsing Oracle ALTER TABLE sql

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

FlyingZC opened a new issue, #26979:
URL: https://github.com/apache/shardingsphere/issues/26979

   # 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 TABLE admin_iot3 ADD OVERFLOW TABLESPACE admin_tbs2;
   ```
   
   ```sql
   ALTER TABLE countries_demo ADD OVERFLOW;
   ```
   
   ```sql
   ALTER TABLE dept
       ENABLE NOVALIDATE CONSTRAINT dname_ukey;
   
   ALTER TABLE dept
       ENABLE NOVALIDATE PRIMARY KEY,
       ENABLE NOVALIDATE UNIQUE (dname, loc);
   ```
   
   ```sql
   ALTER TABLE customers
      ADD (online_acct_pw VARCHAR2(8) ENCRYPT NO SALT 'NOMAC');
   ```
   
   ```sql
   ALTER TABLE employees
      ENABLE NOVALIDATE PRIMARY KEY
      ENABLE NOVALIDATE CONSTRAINT emp_last_name_nn;
   ```
   
   # 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 #26979: Support parsing Oracle ALTER TABLE sql

["zihaoAK47 (via GitHub)" <gi...@apache.org>]

zihaoAK47 commented on issue #26979:
URL: https://github.com/apache/shardingsphere/issues/26979#issuecomment-1671047887

   Hi, please assign it to me and I will solve it. Thank you


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[GitHub] [shardingsphere] strongduanmu closed issue #26979: Support parsing Oracle ALTER TABLE sql

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

strongduanmu closed issue #26979: Support parsing Oracle ALTER TABLE sql
URL: https://github.com/apache/shardingsphere/issues/26979


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[GitHub] [shardingsphere] zihaoAK47 commented on issue #26979: Support parsing Oracle ALTER TABLE sql

["zihaoAK47 (via GitHub)" <gi...@apache.org>]

zihaoAK47 commented on issue #26979:
URL: https://github.com/apache/shardingsphere/issues/26979#issuecomment-1675967485

   Error sql:
   
   SQL> ALTER TABLE dept ENABLE NOVALIDATE PRIMARY KEY, ENABLE NOVALIDATE UNIQUE (dname, loc);
   ALTER TABLE dept ENABLE NOVALIDATE PRIMARY KEY, ENABLE NOVALIDATE UNIQUE (dname, loc)
                                                 *
   ERROR at line 1:
   ORA-00933: SQL command not properly ended


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