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https://issues.apache.org/jira/browse/CALCITE-1531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819698#comment-16819698
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Lai Zhou commented on CALCITE-1531:
-----------------------------------
[~julianhyde], could you reopen this issue , and change the summary to "Infer
the type for a naked NULL literal from it‘s context" ?
[~zabetak], should I create a new issue?
> SqlValidatorException when boolean operators are used with NULL
> ---------------------------------------------------------------
>
> Key: CALCITE-1531
> URL: https://issues.apache.org/jira/browse/CALCITE-1531
> Project: Calcite
> Issue Type: Bug
> Reporter: Serhii Harnyk
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.11.0
>
>
> SqlValidatorException when we use boolean AND, OR operators with null.
> {noformat}
> 0: jdbc:calcite:localhost> SELECT (CASE WHEN true or null then 1 else 0 end)
> from (VALUES(1));
> 2016-12-06 17:12:47,622 [main] ERROR -
> org.apache.calcite.sql.validate.SqlValidatorException: Illegal use of 'NULL'
> 2016-12-06 17:12:47,623 [main] ERROR -
> org.apache.calcite.runtime.CalciteContextException: From line 1, column 27 to
> line 1, column 30: Illegal use of 'NULL'
> Error: Error while executing SQL "SELECT (CASE WHEN true or null then 1 else
> 0 end) from (VALUES(1))": From line 1, column 27 to line 1, column 30:
> Illegal use of 'NULL' (state=,code=0)
> {noformat}
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