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Posted to issues@spark.apache.org by "Yuming Wang (JIRA)" <ji...@apache.org> on 2019/06/18 08:23:00 UTC
[jira] [Updated] (SPARK-28077) ANSI SQL: OVERLAY function(T312)
[ https://issues.apache.org/jira/browse/SPARK-28077?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yuming Wang updated SPARK-28077:
--------------------------------
Summary: ANSI SQL: OVERLAY function(T312) (was: String Functions: Add support OVERLAY)
> ANSI SQL: OVERLAY function(T312)
> --------------------------------
>
> Key: SPARK-28077
> URL: https://issues.apache.org/jira/browse/SPARK-28077
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Yuming Wang
> Priority: Major
>
> ||Function||Return Type||Description||Example||Result||
> |{{overlay(_string_ placing _string_ from }}{{int}}{{[for {{int}}])}}|{{text}}|Replace substring|{{overlay('Txxxxas' placing 'hom' from 2 for 4)}}|{{Thomas}}|
> For example:
> {code:sql}
> SELECT OVERLAY('abcdef' PLACING '45' FROM 4) AS "abc45f";
> SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5) AS "yabadaba";
> SELECT OVERLAY('yabadoo' PLACING 'daba' FROM 5 FOR 0) AS "yabadabadoo";
> SELECT OVERLAY('babosa' PLACING 'ubb' FROM 2 FOR 4) AS "bubba";
> {code}
> https://www.postgresql.org/docs/11/functions-string.html
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