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https://issues.apache.org/jira/browse/SPARK-29941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16976411#comment-16976411
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Kent Yao commented on SPARK-29941:
----------------------------------
working on this
> Support dec as shorthand for decimal
> ------------------------------------
>
> Key: SPARK-29941
> URL: https://issues.apache.org/jira/browse/SPARK-29941
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Kent Yao
> Priority: Major
>
> {code:java}
> CHAR is equivalent to CHARACTER. DEC is equivalent to DECIMAL. INT is
> equivalent to INTEGER. VARCHAR is equivalent to CHARACTER VARYING. ...
> {code}
> According to SQL standard, we decide to add dec for decimal as short hand.
> also checked with Postgres,
> ```sql
> postgres=# select dec '1.0';
> numeric
> ---------
> 1.0
> (1 row)
> ```
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