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https://issues.apache.org/jira/browse/CALCITE-5297?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jess Balint closed CALCITE-5297.
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Resolved in release 1.33.0 (2023-02-06)
> Casting dynamic variable twice throws exception
> -----------------------------------------------
>
> Key: CALCITE-5297
> URL: https://issues.apache.org/jira/browse/CALCITE-5297
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Dmitry Sysolyatin
> Assignee: Dmitry Sysolyatin
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.33.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Executing of {code}SELECT CAST(CAST(? AS INTEGER) AS CHAR){code} query throws
> exception:
> {code}
> Conversion to relational algebra failed to preserve datatypes:
> validated type:
> RecordType(CHAR(1) NOT NULL EXPR$0) NOT NULL
> converted type:
> RecordType(CHAR(1) EXPR$0) NOT NULL
> rel:
> LogicalProject(EXPR$0=[CAST(?0):CHAR(1)])
> LogicalValues(tuples=[[{ 0 }]])
> {code}
> Testcase -
> https://github.com/apache/calcite/commit/4e32d2997b80effda66d46af06ec376b44856ead
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