Quan Chao created CALCITE-4452:
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Summary: The query column is allowed not in the group by in MySQL
Key: CALCITE-4452
URL: https://issues.apache.org/jira/browse/CALCITE-4452
Project: Calcite
Issue Type: Bug
Components: core
Affects Versions: 1.26.0
Reporter: Quan Chao
Fix For: next
In MySQL， query column can be not contained in group by columns，the final
column value is first column value in group
CREATE TABLE `a` (
`id` int(11) DEFAULT NULL,
`a` int(11) DEFAULT NULL,
`c` varchar(10) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8；
CREATE TABLE `b` (
`id` int(11) DEFAULT NULL,
`a` int(11) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
select concat(a.a,b.a) from a join b on a.a=b.a group by a.c;
Caused by: org.apache.calcite.sql.validate.SqlValidatorException: Expression
'a.a' is not being groupedCaused by:
org.apache.calcite.sql.validate.SqlValidatorException: Expression 'a.a' is not
being grouped at sun.reflect.GeneratedConstructorAccessor45.newInstance(Unknown
Source) ~[?:?] at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
~[?:1.8.0_252] at
java.lang.reflect.Constructor.newInstance(Constructor.java:423) ~[?:1.8.0_252]
at org.apache.calcite.runtime.Resources$ExInstWithCause.ex(Resources.java:467)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.runtime.Resources$ExInst.ex(Resources.java:560)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:883)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlUtil.newContextException(SqlUtil.java:868)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.newValidationError(SqlValidatorImpl.java:5043)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:113)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:320)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:123)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:879)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:212)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:123)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlAsOperator.acceptCall(SqlAsOperator.java:121)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:212)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggregatingSelectScope.checkAggregateExpr(AggregatingSelectScope.java:209)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AggregatingSelectScope.validateExpr(AggregatingSelectScope.java:218)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateExpr(SqlValidatorImpl.java:4263)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelectList(SqlValidatorImpl.java:4234)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3474)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:60)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:84)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1067)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateQuery(SqlValidatorImpl.java:1041)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.SqlSelect.validate(SqlSelect.java:232)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validateScopedExpression(SqlValidatorImpl.java:1016)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.sql.validate.SqlValidatorImpl.validate(SqlValidatorImpl.java:724)
~[calcite-core-1.26.0.jar:1.26.0] at
org.apache.calcite.prepare.PlannerImpl.validate(PlannerImpl.java:215)
~[calcite-core-1.26.0.jar:1.26.0] ... 12 more
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