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https://issues.apache.org/jira/browse/CALCITE-1250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-1250.
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Resolution: Fixed
Fixed in http://git-wip-us.apache.org/repos/asf/calcite/commit/d757201f. Thanks
for the PR, [~baunz]! I saw that you needed to go to considerable effort to
allow, say, combining a list and an array or a list and a map in an UNNEST.
Nice work, and much appreciated!
> UNNEST should work with MAP data types
> --------------------------------------
>
> Key: CALCITE-1250
> URL: https://issues.apache.org/jira/browse/CALCITE-1250
> Project: Calcite
> Issue Type: New Feature
> Components: core
> Reporter: Johannes Schulte
> Assignee: Johannes Schulte
> Priority: Minor
> Fix For: 1.8.0
>
>
> Unnest should also work with map data types and emit two columns for key and
> value of all entries, similar to what drill is doing with kv_gen() and hive
> with explode()
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