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https://issues.apache.org/jira/browse/CALCITE-855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-855.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.8.0
Fixed in http://git-wip-us.apache.org/repos/asf/calcite/commit/354e8240.
By the way, you can use {{UNNEST ... WITH ORDINALITY}} with multiple arguments
too.
> Allow UNNEST to have multiple arguments
> ---------------------------------------
>
> Key: CALCITE-855
> URL: https://issues.apache.org/jira/browse/CALCITE-855
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Fix For: 1.8.0
>
>
> The SQL standard allows UNNEST to have more than one argument. The result is
> a collection of records whose i'th record draws fields from the i'th record
> of each input.
> We have laid groundwork for this in CALCITE-854, specifically how the type of
> an Uncollect is derived. Uncollect will continue to have one input, but with
> this change, the input may now have more than one column. Each column must be
> an array or multiset (slightly looser than the standard, which only allows
> multiple arguments if all are arrays).
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