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https://issues.apache.org/jira/browse/CALCITE-4207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189053#comment-17189053
]
Julian Hyde commented on CALCITE-4207:
--------------------------------------
Can you devise a minimal test case? I doubt that {{CURRENT_DATE}} is essential
to reproduce this problem.
> Validation fails for positional aggregate with current_date in 'case'
> expression
> --------------------------------------------------------------------------------
>
> Key: CALCITE-4207
> URL: https://issues.apache.org/jira/browse/CALCITE-4207
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Igor Guzenko
> Assignee: Igor Guzenko
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> *Steps to reproduce: *
> Add test to SqlValidatorTest.java
> {code:java}
> @Test void testPositionalAggregateWithExpandedCurrentDateFunction() {
> SqlConformance defaultPlusOrdinalGroupBy =
> new SqlDelegatingConformance(SqlConformanceEnum.DEFAULT) {
> @Override
> public boolean isGroupByOrdinal() {
> return true;
> }
> };
> sql("SELECT "
> + "CASE WHEN HIREDATE >= CURRENT_DATE "
> + "THEN 'Forward' "
> + "ELSE 'Actual' END AS fa,"
> + "COUNT(*) "
> + "FROM EMP "
> + "GROUP BY 1")
> .withConformance(defaultPlusOrdinalGroupBy)
> .ok();
> }
> {code}
> *Expected result*
> Validation passed successfully.
> *Actual result*
> {code:none}org.apache.calcite.sql.validate.SqlValidatorException: Expression
> 'EMP.HIREDATE' is not being grouped
> 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)
> 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:5003)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:113)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
> at org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:321)
> at
> org.apache.calcite.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:123)
> at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:879)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:212)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
> at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
> at
> org.apache.calcite.sql.util.SqlBasicVisitor.visit(SqlBasicVisitor.java:52)
> at org.apache.calcite.sql.SqlNodeList.accept(SqlNodeList.java:145)
> at
> org.apache.calcite.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:123)
> at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:879)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:212)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
> at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
> at
> org.apache.calcite.sql.util.SqlBasicVisitor$ArgHandlerImpl.visitChild(SqlBasicVisitor.java:123)
> at
> org.apache.calcite.sql.SqlAsOperator.acceptCall(SqlAsOperator.java:121)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:212)
> at org.apache.calcite.sql.validate.AggChecker.visit(AggChecker.java:40)
> at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:139)
> at
> org.apache.calcite.sql.validate.AggregatingSelectScope.checkAggregateExpr(AggregatingSelectScope.java:212)
>
> {code}
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