[jira] [Updated] (DRILL-6968) pattern matching and regexp facilities and unnest

["benj (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-6968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

benj updated DRILL-6968:
------------------------
    Summary: pattern matching and regexp facilities and unnest  (was: pattern matching and regexp facilities)

> pattern matching and regexp facilities and unnest
> -------------------------------------------------
>
>                 Key: DRILL-6968
>                 URL: https://issues.apache.org/jira/browse/DRILL-6968
>             Project: Apache Drill
>          Issue Type: Wish
>          Components: Functions - Drill
>    Affects Versions: 1.15.0
>            Reporter: benj
>            Priority: Major
>
> Although it is possible to do some of them self, adding some possibilities from pattern matching directly in DRILL
>  * may be usefull,
>  * would prevent (re)write them and check again and again,
>  * would allow a quicker and more effective handling of Drill.
> Some propositions :
>  * adding possibilities to regexp_replace (ignoreCase, replaceAll(currently)/replaceOnlyFirst ...)
>  * regexp_matches (lighter and more consistent than using regexp_replace trick)
>  * split_to_table
> {noformat}
> SELECT split_to_table('Drill,baby,drill',',') AS mywords, 1 AS x;
> +---------+---+
> | mywords | x |
> +---------+---+
> | Drill   | 1 |
> | baby    | 1 |
> | drill   | 1 |
> +---------+---+
> {noformat}
>  * split_to_array
> {noformat}
> SELECT split_to_array('Drill,baby,drill',',') AS mywords, 1 AS x;
> +---------------------------+---+
> | mywords                   | x |
> +---------------------------+---+
> | ["Drill","baby","drill"]  | 1 |
> +---------------------------+---+
> {noformat}
>  * ...



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