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Posted to issues@calcite.apache.org by "Julian Hyde (Jira)" <ji...@apache.org> on 2023/06/28 19:47:00 UTC

[jira] [Resolved] (CALCITE-5805) SqlValidatorImpl throws AssertionError while validating MERGE statement

     [ https://issues.apache.org/jira/browse/CALCITE-5805?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Julian Hyde resolved CALCITE-5805.
----------------------------------
    Fix Version/s: 1.35.0
       Resolution: Duplicate

This is a duplicate of CALCITE-985. We never completed implementation of MERGE.

I haven't checked the PR, but it should complete implementation of MERGE and add tets accordingly. Also it should enable {{SqlToRelConverterTest.testMerge()}.

> SqlValidatorImpl throws AssertionError while validating MERGE statement
> -----------------------------------------------------------------------
>
>                 Key: CALCITE-5805
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5805
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Jiajun Xie
>            Assignee: Jiajun Xie
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.35.0
>
>
> For the unit test.
> {code:java}
> final String sql = "merge into empnullables e "
>     + "using (select * from emp where deptno is null) t "
>     + "on e.empno = t.empno "
>     + "when matched then update "
>     + "set ename = t.ename, deptno = t.deptno, sal = t.sal * .1 "
>     + "when not matched then insert (empno, ename, deptno, sal) "
>     + "values(t.empno, t.ename, 10, t.sal * .15)";
> sql(sql).ok(); // Expected it is ok, but failed{code}
>  * If we enable `assert`, the error will be *AssertionError.*
> {code:java}
> java.lang.AssertionError
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3741)
>     at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:61)
>     at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:88)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1144)
>     at org.apache.calcite.sql.validate.AbstractNamespace.getRowType(AbstractNamespace.java:119)
>     at org.apache.calcite.sql.validate.SelectNamespace.getRowType(SelectNamespace.java:32)
>     at org.apache.calcite.sql.validate.ListScope.resolve(ListScope.java:203)
>     at org.apache.calcite.sql.validate.DelegatingScope.fullyQualify(DelegatingScope.java:331)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:6672)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:6652)
>     at org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:323)
>     at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
>     at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
>     at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:956)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6696)
>     at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:54)
>     at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:37)
>     at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:166)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.go(SqlValidatorImpl.java:6661)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.expand(SqlValidatorImpl.java:6235)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3570)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3444)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3792)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateMerge(SqlValidatorImpl.java:5263) {code}
>  * If we disable `assert`, the error will be *NullPointerException.*
> {code:java}
> java.lang.NullPointerException: rowType
>     at java.util.Objects.requireNonNull(Objects.java:228)
>     at org.apache.calcite.sql.validate.SelectNamespace.validateImpl(SelectNamespace.java:62)
>     at org.apache.calcite.sql.validate.AbstractNamespace.validate(AbstractNamespace.java:88)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateNamespace(SqlValidatorImpl.java:1144)
>     at org.apache.calcite.sql.validate.AbstractNamespace.getRowType(AbstractNamespace.java:119)
>     at org.apache.calcite.sql.validate.SelectNamespace.getRowType(SelectNamespace.java:32)
>     at org.apache.calcite.sql.validate.ListScope.resolve(ListScope.java:203)
>     at org.apache.calcite.sql.validate.DelegatingScope.fullyQualify(DelegatingScope.java:331)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:6672)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visit(SqlValidatorImpl.java:6652)
>     at org.apache.calcite.sql.SqlIdentifier.accept(SqlIdentifier.java:323)
>     at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:134)
>     at org.apache.calcite.sql.util.SqlShuttle$CallCopyingArgHandler.visitChild(SqlShuttle.java:101)
>     at org.apache.calcite.sql.SqlOperator.acceptCall(SqlOperator.java:956)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.visitScoped(SqlValidatorImpl.java:6696)
>     at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:54)
>     at org.apache.calcite.sql.validate.SqlScopedShuttle.visit(SqlScopedShuttle.java:37)
>     at org.apache.calcite.sql.SqlCall.accept(SqlCall.java:166)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl$Expander.go(SqlValidatorImpl.java:6661)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.expand(SqlValidatorImpl.java:6235)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateJoin(SqlValidatorImpl.java:3570)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateFrom(SqlValidatorImpl.java:3444)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateSelect(SqlValidatorImpl.java:3792)
>     at org.apache.calcite.sql.validate.SqlValidatorImpl.validateMerge(SqlValidatorImpl.java:5263) {code}



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