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https://issues.apache.org/jira/browse/DRILL-2054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14326400#comment-14326400
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Jinfeng Ni commented on DRILL-2054:
-----------------------------------
LGTM.
+1
> Support `||` as "concat operator" for varchar inputs
> ----------------------------------------------------
>
> Key: DRILL-2054
> URL: https://issues.apache.org/jira/browse/DRILL-2054
> Project: Apache Drill
> Issue Type: New Feature
> Reporter: Sean Hsuan-Yi Chu
> Assignee: Jinfeng Ni
> Fix For: Future
>
> Attachments: DRILL-2054.1.patch
>
>
> For example, the query:
> select n_nationkey || ' + ' || n_name || ' = ' as CONCAT, n_nationkey, ' + '
> as PLUS, n_name from cp.`tpch/nation.parquet`
> should print out
> CONCAT n_nationkey PLUS n_name
> 0 + ALGERIA = 0 + ALGERIA
> 1 + ARGENTINA = 1 + ARGENTINA
> 2 + BRAZIL = 2 + BRAZIL
> 3 + CANADA = 3 + CANADA
> ... ... ... (rows/records are omitted due to space limitation)
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