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https://issues.apache.org/jira/browse/TAJO-210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyunsik Choi updated TAJO-210:
------------------------------
Attachment: TAJO-206.patch
I've updated the patch. The usage of string concatenation operator is as
follows:
{code}
select ('abc' || 'def') col1;
select 'abc' || 'def' as col1;
select 1 || 'def' as col1;
select (1+3) || 2 as col1;
select col1 || col2 || col3 from table1;
select col1 || '---' || col3 from table1;
{code}
> Implement String concatenation operator (||)
> --------------------------------------------
>
> Key: TAJO-210
> URL: https://issues.apache.org/jira/browse/TAJO-210
> Project: Tajo
> Issue Type: Sub-task
> Components: parser, physical operator, planner/optimizer
> Reporter: Hyunsik Choi
> Priority: Minor
> Labels: newbie
> Fix For: 0.2-incubating
>
> Attachments: TAJO-206.patch
>
>
> String concatenation operator (||) is a SQL standard string operator. We
> should implement this.
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