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Posted to issues@spark.apache.org by "ulysses you (Jira)" <ji...@apache.org> on 2020/09/14 10:35:00 UTC
[jira] [Created] (SPARK-32877) Fix Hive UDF not support decimal
type in complex type
ulysses you created SPARK-32877:
-----------------------------------
Summary: Fix Hive UDF not support decimal type in complex type
Key: SPARK-32877
URL: https://issues.apache.org/jira/browse/SPARK-32877
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.1.0
Reporter: ulysses you
This pr aims to support Hive UDF when input complex type contains decimal type.
Before this pr, we failed in this code.
{code:java}
class ArraySumUDF extends UDF {
import scala.collection.JavaConverters._
def evaluate(values: java.util.List[java.lang.Double]): java.lang.Double = {
var r = 0d
for (v <- values.asScala) {
r += v
}
r
}
}
sql(s"CREATE FUNCTION testArraySum AS '${classOf[ArraySumUDF].getName}'")
sql("SELECT testArraySum(array(1, 1.1, 1.2))")
-- failed msg
Error in query: No handler for UDF/UDAF/UDTF 'ArraySumUDF': org.apache.hadoop.hive.ql.exec.NoMatchingMethodException: No matching method for class ArraySumUDF with (array<decimal(11,1)>). Possible choices: _FUNC_(array<double>) ; line 1 pos 7
{code}
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