liuzhenghua commented on issue #32150:
URL:
https://github.com/apache/shardingsphere/issues/32150#issuecomment-2236009778
> Add `proxy-frontend-database-protocol-type: MySQL` in `props`
configuration.
It worked but I need delete the repository file which created before, Is
there any way that do not need delete the old rules?
there is an error in console logs but it does not effect the usage, the
stack trace is as follows:
```
[INFO ] 2024-07-18 09:04:08.547 [ShardingSphere-Command-0]
ShardingSphere-SQL - Actual SQL: ds_0 ::: SHOW COLUMNS FROM users
[ERROR] 2024-07-18 09:04:09.491 [ShardingSphere-Command-0]
o.a.s.p.f.c.CommandExecutorTask - Exception occur:
org.postgresql.util.PSQLException: ERROR: syntax error at or near "FROM"
Position: 14
at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2725)
at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2412)
at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:371)
at
org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:502)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:419)
at
org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:341)
at
org.postgresql.jdbc.PgStatement.executeCachedSql(PgStatement.java:326)
at
org.postgresql.jdbc.PgStatement.executeWithFlags(PgStatement.java:302)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:297)
at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:1310)
at
com.zaxxer.hikari.pool.ProxyStatement.execute(ProxyStatement.java:102)
at
com.zaxxer.hikari.pool.HikariProxyStatement.execute(HikariProxyStatement.java)
at
org.apache.shardingsphere.proxy.backend.connector.jdbc.executor.callback.impl.ProxyStatementExecutorCallback.execute(ProxyStatementExecutorCallback.java:44)
at
org.apache.shardingsphere.proxy.backend.connector.jdbc.executor.callback.ProxyJDBCExecutorCallback.executeSQL(ProxyJDBCExecutorCallback.java:69)
at
org.apache.shardingsphere.proxy.backend.connector.jdbc.executor.callback.ProxyJDBCExecutorCallback.executeSQL(ProxyJDBCExecutorCallback.java:46)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:85)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutorCallback.execute(JDBCExecutorCallback.java:64)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.syncExecute(ExecutorEngine.java:99)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.parallelExecute(ExecutorEngine.java:95)
at
org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine.execute(ExecutorEngine.java:78)
at
org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor.execute(JDBCExecutor.java:66)
at
org.apache.shardingsphere.proxy.backend.connector.jdbc.executor.ProxyJDBCExecutor.execute(ProxyJDBCExecutor.java:73)
at
org.apache.shardingsphere.proxy.backend.connector.ProxySQLExecutor.useDriverToExecute(ProxySQLExecutor.java:217)
at
org.apache.shardingsphere.proxy.backend.connector.ProxySQLExecutor.execute(ProxySQLExecutor.java:176)
at
org.apache.shardingsphere.proxy.backend.connector.DatabaseConnector.doExecute(DatabaseConnector.java:220)
at
org.apache.shardingsphere.proxy.backend.connector.DatabaseConnector.execute(DatabaseConnector.java:173)
at
org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.fieldlist.MySQLComFieldListPacketExecutor.execute(MySQLComFieldListPacketExecutor.java:76)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.doExecuteCommand(CommandExecutorTask.java:126)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:121)
at
org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:78)
at com.alibaba.ttl.TtlRunnable.run(TtlRunnable.java:60)
at
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
at
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
at java.base/java.lang.Thread.run(Thread.java:1583)
```
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