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https://issues.apache.org/jira/browse/CALCITE-3415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16952641#comment-16952641
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Pranay Parmar commented on CALCITE-3415:
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[~danny0405]
Yes this function is present in Oracle, MySql, Teradata and a bunch of other
major dialects. I have already worked on this function and have added it into
SqlLibraryOperators with all the variations. Can you please assign it to me, I
will raise a pull request for the same in a couple of days.
I think it is a good candidate to be added into SqlStdOperatorTable, let me
know your thoughts.
> Cannot parse REGEXP_SUBSTR in BigQuery
> --------------------------------------
>
> Key: CALCITE-3415
> URL: https://issues.apache.org/jira/browse/CALCITE-3415
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.21.0
> Reporter: Pranay Parmar
> Priority: Minor
>
> REGEXP_SUBSTR error :
> {code:java}
> No match found for function signature REGEXP_SUBSTR(<CHARACTER>, <CHARACTER>,
> [<INT>, <INT>, <CHARACTER>]){code}
>
> Example query:
> {code:sql}
> SELECT REGEXP_SUBSTR('chocolate Chip cookies', 'c+.{2}', 1, product_id, 'i')
> FROM public.account{code}
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