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https://issues.apache.org/jira/browse/CALCITE-4999?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ruben Q L updated CALCITE-4999:
-------------------------------
Labels: pull-request-available (was: )
> `least restrictive` type inference does not work when one operand is scalar
> and another is row with one field
> -------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-4999
> URL: https://issues.apache.org/jira/browse/CALCITE-4999
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Dmitry Sysolyatin
> Assignee: Dmitry Sysolyatin
> Priority: Major
> Labels: pull-request-available
>
> I faced with a issue that the following query:
> {code:java}
> SELECT ARRAY_CONCAT(ARRAY['1', '2'], array(select 'toast.' || x from
> unnest(ARRAY['1','2']) x)) {code}
> didn't work, because of:
> {code:java}
> java.lang.IllegalArgumentException: Cannot infer return type for
> ARRAY_CONCAT; operand types: [CHAR(1) ARRAY, RecordType(CHAR(7) EXPR$0)
> ARRAY]{code}
> `least restrictive` type inference does not work when one operand is scalar
> and another is row with one field
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