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https://issues.apache.org/jira/browse/PHOENIX-1254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14136128#comment-14136128
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Gabriel Reid commented on PHOENIX-1254:
---------------------------------------
Sounds good. I've added a sub-task to this ticket as a reminder for the
addition to the reference guide. Thanks again for the assistance on this.
> Add REGEXP_SPLIT function
> -------------------------
>
> Key: PHOENIX-1254
> URL: https://issues.apache.org/jira/browse/PHOENIX-1254
> Project: Phoenix
> Issue Type: New Feature
> Reporter: Gabriel Reid
> Assignee: Gabriel Reid
> Attachments: PHOENIX-1254.patch, PHOENIX-1254b.patch
>
>
> It is really useful in some situations to have a string split function to
> split string values into arrays of strings based on a delimiter string or
> pattern.
> The intention is to add a REGEXP_SPLIT function that works in similar fashion
> to the [Postgresql REGEXP_SPLIT_TO_ARRAY
> function|http://www.postgresql.org/docs/9.1/static/functions-string.html].
> The function will take two parameters:
> * the input value to be split
> * the regular expression pattern to be used to split the input into an array
> The output of the function will be {{VARCHAR_ARRAY}}
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