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https://issues.apache.org/jira/browse/CALCITE-6242?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17814021#comment-17814021
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hongyu guo commented on CALCITE-6242:
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Thanks for report this! In CALCITE-3679, referencing columns is not supported
in lambda functions, and we need to add this feature.
> The "exists" library function throws a "param not found" error when a column
> is used in lambda evaluation logic.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-6242
> URL: https://issues.apache.org/jira/browse/CALCITE-6242
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Hanumath Rao Maduri
> Priority: Major
>
> The following query is throwing a "param not found" in calcite whereas the
> same query works fine in apache spark.
> {code:java}
> select *
> from (select array(1, 2, 3) as arr) as t1 inner join
> (select 1 as v) as t2 on "EXISTS"(arr, x -> x = t2.v); {code}
> The following error reported for the above query is
> {code:java}
> > java.sql.SQLException: Error while executing SQL "select *
> > from (select array(1, 2, 3) as arr) as t1 inner join
> > (select 1 as v) as t2 on "EXISTS"(arr, x -> x = t2.v)": From line 3,
> > column 54 to line 3, column 57: Param 'T2.V' not found in lambda expression
> > '`X` -> `X` = `T2`.`V`' {code}
> Steps to repro:
> 1. Place the query in lambda.iq
> 2. Run CoreQuidemTest.
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