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Posted to issues@flink.apache.org by "jackylau (Jira)" <ji...@apache.org> on 2023/03/24 05:42:00 UTC
[jira] [Updated] (FLINK-31602) Add ARRAY_POSITION supported in SQL & Table API
[ https://issues.apache.org/jira/browse/FLINK-31602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
jackylau updated FLINK-31602:
-----------------------------
Description:
array_position(array, element) - Returns the (1-based) index of the first element of the array as long.
Syntax:
array_position(array, element)
Arguments:
array: An ARRAY to be handled.
Returns:
Returns the position of the first occurrence of element in the given array as long.
Returns 0 if the given value could not be found in the array.
Returns null if either of the arguments are null
{code:sql}
> SELECT array_position(array(3, 2, 1), 1);
3 {code}
See also
spark [https://spark.apache.org/docs/latest/api/sql/index.html#array_remove|https://spark.apache.org/docs/latest/api/sql/index.html#array_position]
postgresql [https://www.postgresql.org/docs/12/functions-array.html#ARRAY-FUNCTIONS-TABLE]
> Add ARRAY_POSITION supported in SQL & Table API
> -----------------------------------------------
>
> Key: FLINK-31602
> URL: https://issues.apache.org/jira/browse/FLINK-31602
> Project: Flink
> Issue Type: Improvement
> Components: Table SQL / Planner
> Affects Versions: 1.18.0
> Reporter: jackylau
> Priority: Major
> Fix For: 1.18.0
>
>
> array_position(array, element) - Returns the (1-based) index of the first element of the array as long.
> Syntax:
> array_position(array, element)
> Arguments:
> array: An ARRAY to be handled.
> Returns:
> Returns the position of the first occurrence of element in the given array as long.
> Returns 0 if the given value could not be found in the array.
> Returns null if either of the arguments are null
> {code:sql}
> > SELECT array_position(array(3, 2, 1), 1);
> 3 {code}
> See also
> spark [https://spark.apache.org/docs/latest/api/sql/index.html#array_remove|https://spark.apache.org/docs/latest/api/sql/index.html#array_position]
> postgresql [https://www.postgresql.org/docs/12/functions-array.html#ARRAY-FUNCTIONS-TABLE]
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