wangyum commented on pull request #32090:
URL: https://github.com/apache/spark/pull/32090#issuecomment-817782173
It may be out of range?
```
scala> spark.sql(s"select cast(${Int.MaxValue} as decimal(9, 0)),
cast(${Long.MaxValue} as decimal(18, 0))").show(false)
+--------------------------------+------------------------------------------+
|CAST(2147483647 AS DECIMAL(9,0))|CAST(9223372036854775807 AS DECIMAL(18,0))|
+--------------------------------+------------------------------------------+
|null |null |
+--------------------------------+------------------------------------------+
scala> spark.sql(s"select cast(${Int.MaxValue} as decimal(10, 0)),
cast(${Long.MaxValue} as decimal(19, 0))").show(false)
+---------------------------------+------------------------------------------+
|CAST(2147483647 AS DECIMAL(10,0))|CAST(9223372036854775807 AS
DECIMAL(19,0))|
+---------------------------------+------------------------------------------+
|2147483647 |9223372036854775807
|
+---------------------------------+------------------------------------------+
```
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