[SPARK-28461] Pad Decimal numbers with trailing zeros to the scale of the column

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 3.0.0
• Component/s: SQL
• Assignee: Yuming Wang
• Reporter: Yuming Wang
• Created: 21/Jul/19 00:34
• Updated: 12/Dec/22 18:11
• Resolved: 02/Dec/19 00:02

Description

PostgreSQL:

postgres=# select cast(1 as decimal(38, 18));
       numeric
----------------------
 1.000000000000000000
(1 row)

Spark SQL:

spark-sql> select cast(1 as decimal(38, 18));
1
spark-sql>

Hive fix this issue by HIVE-12063.

Issue Links

• is related to: HIVE-12063 Pad Decimal numbers with trailing zeros to the scale of the column
• links to: GitHub Pull Request #25214
• links to: GitHub Pull Request #26697