enhancementfix-it-weekgood first issuestreaming-engineuser-defined-functions
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描述
Is your feature request related to a problem? Please describe. The existing FIELD function works on a varags array of input strings. It does not work on an array of strings.
E.g.
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|KSQL_COL_0 |
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|0 |
Describe the solution you'd like
In the above example, it'd be nice to return 1 or better an array of the positions where the element is present in the array.
See array_positions from https://www.postgresql.org/docs/current/functions-array.html.
Additional context See a short Slack discussion here: https://confluentcommunity.slack.com/archives/C6UJNMY67/p1654021013224899