FlyingZC opened a new issue, #27120: URL: https://github.com/apache/shardingsphere/issues/27120
# 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 CREATE TRIGGER set_custno_ctx_trig AFTER LOGON ON DATABASE BEGIN sysadmin_vpd.orders_ctx_pkg.set_custnum; END; ``` ```sql CREATE TRIGGER set_empno_ctx_trig AFTER LOGON ON DATABASE BEGIN sysadmin_ctx.set_empno_ctx_pkg.set_empno; EXCEPTION WHEN OTHERS THEN RAISE_APPLICATION_ERROR( -20000, 'Trigger sysadmin_ctx.set_empno_ctx_trig violation. Login denied.'); END; ``` ```sql CREATE UNDO TABLESPACE undotbs_02 DATAFILE '/u01/oracle/rbdb1/undo0201.dbf' SIZE 2M REUSE AUTOEXTEND ON; ``` ```sql CREATE UNDO TABLESPACE undots1 DATAFILE 'undotbs_1a.dbf' SIZE 10M AUTOEXTEND ON RETENTION GUARANTEE; ``` ```sql CREATE VIEW emp_dept_oj1 AS SELECT empno, ename, e.deptno, dname, loc FROM emp e, dept d WHERE e.deptno = d.deptno (+); ``` # 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 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
