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https://issues.apache.org/jira/browse/CALCITE-5778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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jackylau updated CALCITE-5778:
------------------------------
Description:
h3.
[array_join|https://spark.apache.org/docs/latest/api/sql/index.html#array_join]
array_join(array, delimiter[, nullReplacement]) - Concatenates the elements of
the given array using the delimiter and an optional string to replace nulls. If
no value is set for nullReplacement, any null value is filtered.
*Examples:*
{code:java}
> SELECT array_join(array('hello', 'world'), ' ');
hello world
> SELECT array_join(array('hello', null ,'world'), ' ');
hello world
> SELECT array_join(array('hello', null ,'world'), ' ', ',');
hello , world{code}
> Add ARRAY_JOIN, ARRAYS_OVERLAP, ARRAYS_ZIP for Spark dialect
> ------------------------------------------------------------
>
> Key: CALCITE-5778
> URL: https://issues.apache.org/jira/browse/CALCITE-5778
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.35.0
> Reporter: jackylau
> Assignee: jackylau
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.35.0
>
>
> h3.
> [array_join|https://spark.apache.org/docs/latest/api/sql/index.html#array_join]
> array_join(array, delimiter[, nullReplacement]) - Concatenates the elements
> of the given array using the delimiter and an optional string to replace
> nulls. If no value is set for nullReplacement, any null value is filtered.
> *Examples:*
> {code:java}
> > SELECT array_join(array('hello', 'world'), ' ');
> hello world
> > SELECT array_join(array('hello', null ,'world'), ' ');
> hello world
> > SELECT array_join(array('hello', null ,'world'), ' ', ',');
> hello , world{code}
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