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https://issues.apache.org/jira/browse/CALCITE-2032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17534599#comment-17534599
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Julian Hyde commented on CALCITE-2032:
--------------------------------------
This issue seems to be fixed, and the test case passes. I plan to re-enable the
test case as part of my fix for CALCITE-4496 / CALCITE-5105, then I'll mark
this fixed.
> Error when implicitly converting character literal to date literal
> ------------------------------------------------------------------
>
> Key: CALCITE-2032
> URL: https://issues.apache.org/jira/browse/CALCITE-2032
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Priority: Trivial
>
> The following query implicitly converts a character literal to a date
> literal; it passes validation but fails during code generation.
> {code}
> select *
> from "scott".emp
> WHERE hiredate = '1980-12-17';
> +-------+-------+-------+------+------------+--------+------+--------+
> | EMPNO | ENAME | JOB | MGR | HIREDATE | SAL | COMM | DEPTNO |
> +-------+-------+-------+------+------------+--------+------+--------+
> | 7369 | SMITH | CLERK | 7902 | 1980-12-17 | 800.00 | | 20 |
> +-------+-------+-------+------+------------+--------+------+--------+
> (1 row)
> !ok
> {code}
> throws
> {code}
> Error while compiling generated Java code:
> at org.apache.calcite.avatica.Helper.wrap(Helper.java:37)
> at
> org.apache.calcite.adapter.enumerable.EnumerableInterpretable.toBindable(EnumerableInterpretable.java:108)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl$CalcitePreparingStmt.implement(CalcitePrepareImpl.java:1261)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:330)
> at org.apache.calcite.prepare.Prepare.prepareSql(Prepare.java:229)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare2_(CalcitePrepareImpl.java:786)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepare_(CalcitePrepareImpl.java:640)
> at
> org.apache.calcite.prepare.CalcitePrepareImpl.prepareSql(CalcitePrepareImpl.java:610)
> at
> org.apache.calcite.jdbc.CalciteConnectionImpl.parseQuery(CalciteConnectionImpl.java:221)
> at
> org.apache.calcite.jdbc.CalciteMetaImpl.prepareAndExecute(CalciteMetaImpl.java:603)
> at
> org.apache.calcite.avatica.AvaticaConnection.prepareAndExecuteInternal(AvaticaConnection.java:638)
> at
> org.apache.calcite.avatica.AvaticaStatement.executeInternal(AvaticaStatement.java:149)
> ... 9 more
> Caused by: org.codehaus.commons.compiler.CompileException: Line 17, Column
> 46: Incomparable types 'java.lang.Integer' and 'java.lang.String'
> at
> org.codehaus.janino.UnitCompiler.compileError(UnitCompiler.java:10092)
> at
> org.codehaus.janino.UnitCompiler.compileBoolean2(UnitCompiler.java:3080)
> {code}
> I have added the test case to {{misc.iq}}.
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