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Posted to issues@spark.apache.org by "Takuya Ueshin (JIRA)" <ji...@apache.org> on 2018/08/23 10:51:00 UTC

[jira] [Created] (SPARK-25208) Loosen Cast.forceNullable for DecimalType.

Takuya Ueshin created SPARK-25208:
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             Summary: Loosen Cast.forceNullable for DecimalType.
                 Key: SPARK-25208
                 URL: https://issues.apache.org/jira/browse/SPARK-25208
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 2.4.0
            Reporter: Takuya Ueshin


Casting to {{DecimalType}} is not always needed to force nullable.
If the decimal type to cast is wider than original type, or only truncating or precision loss, the casted value won't be {{null}}.



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