strongduanmu opened a new issue, #30466: URL: https://github.com/apache/shardingsphere/issues/30466
## Bug Report ### Which version of ShardingSphere did you use? 9462a44 ### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy? ShardingSphere-Proxy ### Expected behavior When I parse `SHOW DATABASES` and `SHOW TABLES` with Oracle databaseType, it should not supported exception. ### Actual behavior Parse correctly. ### Reason analyze (If you can) systemVariable sytax in Oracle DALStatement.g4 is too loose. According to Oracle doc - https://docs.oracle.com/en/database/oracle/oracle-database/23/sqpug/SET-system-variable-summary.html#GUID-A6A5ADFF-4119-4BA4-A13E-BC8D29166FAE, systemVariable should only support system variables SET by the SET statement, not generic identifiers. ### 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). -- 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]
