[jira] [Created] (SPARK-1938) ApproxCountDistinctMergeFunction should return Int value.

[Takuya Ueshin (JIRA)]

Takuya Ueshin created SPARK-1938:
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             Summary: ApproxCountDistinctMergeFunction should return Int value.
                 Key: SPARK-1938
                 URL: https://issues.apache.org/jira/browse/SPARK-1938
             Project: Spark
          Issue Type: Bug
          Components: SQL
            Reporter: Takuya Ueshin


{{ApproxCountDistinctMergeFunction}} should return {{Int}} value because the 
{{dataType}} of {{ApproxCountDistinct}} is {{IntegerType}}.



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