[jira] [Created] (SPARK-6379) Support an implicit conversion from udf"name" to an UDF defined in SQLContext

["Takeshi Yamamuro (JIRA)" <ji...@apache.org>]

Takeshi Yamamuro created SPARK-6379:
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             Summary: Support an implicit conversion from udf"name" to an UDF defined in SQLContext
                 Key: SPARK-6379
                 URL: https://issues.apache.org/jira/browse/SPARK-6379
             Project: Spark
          Issue Type: Improvement
          Components: SQL
            Reporter: Takeshi Yamamuro


This is useful for using pre-defined UDFs in SQLContext;

val df = Seq(("id1", 1), ("id2", 4), ("id3", 5)).toDF("id", "value")
df.sqlContext.udf.register("simpleUdf", (v: Int) => v * v)
df.select($"id", udf"simpleUdf"($"value"))



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