[jira] [Created] (SPARK-29941) Support dec as shorthand for decimal

["Kent Yao (Jira)" <ji...@apache.org>]

Kent Yao created SPARK-29941:
--------------------------------

             Summary: 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



{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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