TeslaCN opened a new issue, #22341:
URL: https://github.com/apache/shardingsphere/issues/22341
## Bug Report
### Which version of ShardingSphere did you use?
d9798c3c6480ab5434c65b0e726aca72830d140d
This issue is caused by #13692. So this impact ShardingSphere-Proxy >= 5.1.0
### Which project did you use? ShardingSphere-JDBC or ShardingSphere-Proxy?
ShardingSphere-Proxy PostgreSQL/openGauss
### Expected behavior
DML operations without error.
### Actual behavior
```
postgres=> create table pg_mytable ();
CREATE TABLE
postgres=> select * from pg_mytable;
ERROR: relation "pg_mytable" does not exist
LINE 1: select * from pg_mytable;
^
```
```
[INFO ] 2022-11-22 17:44:46.210 [Connection-2-ThreadExecutor]
o.a.s.p.b.h.a.e.AbstractDatabaseMetadataExecutor$DefaultDatabaseMetadataExecutor
- Actual SQL: ds_0 ::: select * from pg_mytable;
[ERROR] 2022-11-22 17:44:46.225 [Connection-2-ThreadExecutor]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
org.postgresql.util.PSQLException: ERROR: relation "pg_mytable" does not
exist
Position: 15
at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2676)
at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2366)
at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:356)
at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:490)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:408)
at
org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:181)
at
org.postgresql.jdbc.PgPreparedStatement.executeQuery(PgPreparedStatement.java:133)
at
com.zaxxer.hikari.pool.ProxyPreparedStatement.executeQuery(ProxyPreparedStatement.java:52)
at
com.zaxxer.hikari.pool.HikariProxyPreparedStatement.executeQuery(HikariProxyPreparedStatement.java)
at
org.apache.shardingsphere.proxy.backend.handler.admin.executor.AbstractDatabaseMetadataExecutor$DefaultDatabaseMetadataExecutor.getSourceData(AbstractDatabaseMetadataExecutor.java:216)
at
org.apache.shardingsphere.proxy.backend.handler.admin.executor.AbstractDatabaseMetadataExecutor.execute(AbstractDatabaseMetadataExecutor.java:76)
at
org.apache.shardingsphere.proxy.backend.handler.admin.DatabaseAdminQueryBackendHandler.execute(DatabaseAdminQueryBackendHandler.java:56)
at
org.apache.shardingsphere.proxy.frontend.postgresql.command.query.simple.PostgreSQLComQueryExecutor.execute(PostgreSQLComQueryExecutor.java:76)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:111)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:833)
```
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