[GitHub] [incubator-shardingsphere] liujuntao commented on issue #2860: Access Sharing-Proxy 4.0.0RC2 with navicat return null point exception for lack of scheam

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liujuntao commented on issue #2860: Access Sharing-Proxy 4.0.0RC2 with navicat return null point exception for lack of scheam
URL: https://github.com/apache/incubator-shardingsphere/issues/2860#issuecomment-520780057
 
 
   when i add the "defaultDataSourceName: ds_0" to "config-sharding.yaml" , i use navicat can see the database information ,but i got the error below .
   
   [INFO ] 18:16:58.989 [ShardingSphere-Command-15] ShardingSphere-SQL - Actual SQL: ds_0 ::: SELECT TABLE_SCHEMA, TABLE_NAME, COLUMN_NAME, COLUMN_TYPE FROM information_schema.COLUMNS WHERE TABLE_SCHEMA = 'mysql' ORDER BY TABLE_SCHEMA, TABLE_NAME
   [ERROR] 18:16:59.415 [ShardingSphere-Command-0] o.a.s.s.f.c.CommandExecutorTask - Exception occur: 
   org.apache.shardingsphere.core.parse.exception.SQLParsingException: Cannot support multiple schemas in one SQL
   	at org.apache.shardingsphere.core.parse.filler.impl.TableFiller.fill(TableFiller.java:42)
   	at org.apache.shardingsphere.core.parse.filler.impl.TableFiller.fill(TableFiller.java:35)
   	at org.apache.shardingsphere.core.parse.filler.SQLStatementFillerEngine.fill(SQLStatementFillerEngine.java:65)
   	at org.apache.shardingsphere.core.parse.SQLParseEngine.parse(SQLParseEngine.java:64)
   	at org.apache.shardingsphere.shardingproxy.backend.text.TextProtocolBackendHandlerFactory.newInstance(TextProtocolBackendHandlerFactory.java:66)
   	at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.<init>(MySQLComQueryPacketExecutor.java:64)
   	at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.MySQLCommandExecutorFactory.newInstance(MySQLCommandExecutorFactory.java:72)
   	at org.apache.shardingsphere.shardingproxy.frontend.mysql.command.MySQLCommandExecuteEngine.getCommandExecutor(MySQLCommandExecuteEngine.java:60)
   	at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:85)
   	at org.apache.shardingsphere.shardingproxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:66)
   	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
   	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
   	at java.lang.Thread.run(Thread.java:748)
   

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