[jira] [Comment Edited] (SPARK-28083) ANSI SQL: LIKE predicate: ESCAPE clause

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

    [ https://issues.apache.org/jira/browse/SPARK-28083?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16868291#comment-16868291 ] 

jiaan.geng edited comment on SPARK-28083 at 6/20/19 6:39 AM:
-------------------------------------------------------------

I'm working on.


was (Author: beliefer):
Spark SQL already supported

> ANSI SQL: LIKE predicate: ESCAPE clause
> ---------------------------------------
>
>                 Key: SPARK-28083
>                 URL: https://issues.apache.org/jira/browse/SPARK-28083
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Yuming Wang
>            Priority: Major
>
> Format:
> {noformat}
> <like predicate> ::=
>     <character like predicate>
>   | <octet like predicate>
> <character like predicate> ::=
>   <row value predicand> <character like predicate part 2>
> <character like predicate part 2> ::=
>   [ NOT ] LIKE <character pattern> [ ESCAPE <escape character> ]
> <character pattern> ::=
>   <character value expression>
> <escape character> ::=
>   <character value expression>
> <octet like predicate> ::=
>   <row value predicand> <octet like predicate part 2>
> <octet like predicate part 2> ::=
>   [ NOT ] LIKE <octet pattern> [ ESCAPE <escape octet> ]
> <octet pattern> ::=
>   <binary value expression>
> <escape octet> ::=
>   <binary value expression>
> {noformat}
>  
> [https://www.postgresql.org/docs/11/functions-matching.html]



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