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https://issues.apache.org/jira/browse/CALCITE-4946?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde resolved CALCITE-4946.
----------------------------------
Resolution: Fixed
Fixed in
[607c45b7|https://github.com/apache/calcite/commit/607c45b7a57b66e50f0a4826b5a80df043199f79].
> Add method RelBuilder.size()
> ----------------------------
>
> Key: CALCITE-4946
> URL: https://issues.apache.org/jira/browse/CALCITE-4946
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.29.0
>
>
> Add method {{{}RelBuilder.size(){}}}, one application of which is to know
> whether it is safe to call {{{}peek(){}}}.
> Also continue the work started in CALCITE-4719, improving support for ARRAY
> query constructor, e.g.
> {code}
> SELECT ARRAY (SELECT ...) AS items
> FROM Orders
> {code}
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