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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2021/08/05 14:55:00 UTC
[GitHub] [shardingsphere] strongduanmu commented on issue #11437: The result isn't right in Row to Column scenario
strongduanmu commented on issue #11437:
URL: https://github.com/apache/shardingsphere/issues/11437#issuecomment-893525182
Using the master branch to execute, the following error will appear:
```
[INFO ] 2021-08-05 22:54:20.318 [ShardingSphere-Command-1] ShardingSphere-SQL - Logic SQL: SELECT order_id, IFNULL(SUM(cnt), 0) AS totoal FROM ( SELECT order_id, user_id, COUNT(1) AS cnt FROM t_order GROUP BY order_id, user_id ) a GROUP BY order_id
[INFO ] 2021-08-05 22:54:20.318 [ShardingSphere-Command-1] ShardingSphere-SQL - SQLStatement: MySQLSelectStatement(limit=Optional.empty, lock=Optional.empty, window=Optional.empty)
[INFO ] 2021-08-05 22:54:20.318 [ShardingSphere-Command-1] ShardingSphere-SQL - Actual SQL: ds_0 ::: SELECT order_id, IFNULL(SUM(cnt), 0) AS totoal FROM ( SELECT order_id, user_id, COUNT(1) AS cnt FROM t_order GROUP BY order_id, user_id ) a GROUP BY order_id
[INFO ] 2021-08-05 22:54:20.318 [ShardingSphere-Command-1] ShardingSphere-SQL - Actual SQL: ds_1 ::: SELECT order_id, IFNULL(SUM(cnt), 0) AS totoal FROM ( SELECT order_id, user_id, COUNT(1) AS cnt FROM t_order GROUP BY order_id, user_id ) a GROUP BY order_id
[ERROR] 2021-08-05 22:54:20.326 [ShardingSphere-Command-1] o.a.s.p.f.c.CommandExecutorTask - Exception occur:
java.sql.SQLException: Error while preparing statement [SELECT order_id, IFNULL(SUM(cnt), 0) AS totoal FROM ( SELECT order_id, user_id, COUNT(1) AS cnt FROM t_order GROUP BY order_id, user_id ) a GROUP BY order_id]
at org.apache.calcite.avatica.Helper.createException(Helper.java:56)
at org.apache.calcite.avatica.Helper.createException(Helper.java:41)
at org.apache.calcite.jdbc.CalciteConnectionImpl.prepareStatement_(CalciteConnectionImpl.java:220)
at org.apache.calcite.jdbc.CalciteConnectionImpl.prepareStatement(CalciteConnectionImpl.java:202)
at org.apache.calcite.jdbc.CalciteConnectionImpl.prepareStatement(CalciteConnectionImpl.java:93)
at org.apache.calcite.avatica.AvaticaConnection.prepareStatement(AvaticaConnection.java:175)
at org.apache.shardingsphere.infra.executor.sql.federate.execute.FederateJDBCExecutor.execute(FederateJDBCExecutor.java:105)
at org.apache.shardingsphere.infra.executor.sql.federate.execute.FederateJDBCExecutor.executeQuery(FederateJDBCExecutor.java:84)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.federateExecute(ProxySQLExecutor.java:163)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:135)
at org.apache.shardingsphere.proxy.backend.communication.ProxySQLExecutor.execute(ProxySQLExecutor.java:126)
at org.apache.shardingsphere.proxy.backend.communication.ProxyLockEngine.doExecute(ProxyLockEngine.java:103)
at org.apache.shardingsphere.proxy.backend.communication.ProxyLockEngine.execute(ProxyLockEngine.java:81)
at org.apache.shardingsphere.proxy.backend.communication.DatabaseCommunicationEngine.execute(DatabaseCommunicationEngine.java:125)
at org.apache.shardingsphere.proxy.backend.text.data.impl.SchemaAssignedDatabaseBackendHandler.execute(SchemaAssignedDatabaseBackendHandler.java:55)
at org.apache.shardingsphere.proxy.frontend.mysql.command.query.text.query.MySQLComQueryPacketExecutor.execute(MySQLComQueryPacketExecutor.java:57)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.executeCommand(CommandExecutorTask.java:98)
at org.apache.shardingsphere.proxy.frontend.command.CommandExecutorTask.run(CommandExecutorTask.java:72)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.apache.calcite.runtime.CalciteContextException: From line 1, column 18 to line 1, column 36: No match found for function signature IFNULL(<NUMERIC>, <NUMERIC>)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:467)
at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:883)
at org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:868)
at org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5043)
at org.apache.calcite.sql.validate.SqlValidatorImpl.handleUnresolvedFunction(SqlValidatorImpl.java:1838)
at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:321)
at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:226)
at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5882)
at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5869)
at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
at org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1756)
at org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1741)
at org.apache.calcite.sql.SqlAsOperator.deriveType(SqlAsOperator.java:133)
at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5882)
at org.apache.calcite.sql.validate.SqlValidatorImpl$DeriveTypeVisitor.visit(SqlValidatorImpl.java:5869)
at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
at org.apache.calcite.sql.validate.SqlValidatorImpl.deriveTypeImpl(SqlValidatorImpl.java:1756)
at org.apache.calcite.sql.validate.SqlValidatorImpl.deriveType(SqlValidatorImpl.java:1741)
at org.apache.calcite.sql.validate.SqlValidatorImpl.expandSelectItem(SqlValidatorImpl.java:440)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:4205)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3474)
at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1067)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1041)
at org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1016)
at org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:724)
at org.apache.calcite.sql2rel.SqlToRelConverter.convertQuery(SqlToRelConverter.java:567)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:242)
at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:208)
at org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:642)
at org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:508)
at org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:478)
at org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:231)
at org.apache.calcite.jdbc.CalciteConnectionImpl.prepareStatement_(CalciteConnectionImpl.java:213)
... 18 common frames omitted
Caused by: org.apache.calcite.sql.validate.SqlValidatorException: No match found for function signature IFNULL(<NUMERIC>, <NUMERIC>)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:467)
at org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:560)
... 53 common frames omitted
```
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