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https://issues.apache.org/jira/browse/CALCITE-6508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17872145#comment-17872145
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Mihai Budiu commented on CALCITE-6508:
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Do you plan to contribute this improvement?
> Parse error when using scalar sub-query as operant to Array constructor
> function
> --------------------------------------------------------------------------------
>
> Key: CALCITE-6508
> URL: https://issues.apache.org/jira/browse/CALCITE-6508
> Project: Calcite
> Issue Type: Bug
> Reporter: Ian Bertolacci
> Priority: Major
>
> Using a scalar subquery in the {{`ARRAY[ ... ]`}} function throws "parse
> failed: Query expression encountered in illegal context"
> (Calcite version 1.36)
> For example:
> {code:sql}
> select ARRAY[ (select 1) ]
> select ARRAY[ (select max(x) from table) ]
> {code}
> Is this something that can be configured or easily altered?
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