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https://issues.apache.org/jira/browse/BEAM-2990?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210637#comment-16210637
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Shayang Zang commented on BEAM-2990:
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Calcite does support Array/Map ... non-scalar data types as listed in the link:
http://calcite.apache.org/docs/reference.html#non-scalar-types
Use case can be found in their JdbcTest.java:
https://github.com/apache/calcite/blob/master/core/src/test/java/org/apache/calcite/test/JdbcTest.java
> support data type MAP/ARRAY
> ----------------------------
>
> Key: BEAM-2990
> URL: https://issues.apache.org/jira/browse/BEAM-2990
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql
> Reporter: Xu Mingmin
> Assignee: Shayang Zang
>
> support Non-scalar types:
> MAP Collection of keys mapped to values
> ARRAY Ordered, contiguous collection that may contain duplicates
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