Gopal V created HIVE-7160:
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Summary: Vectorization Udf: GenericUDFConcat, is not supported
Key: HIVE-7160
URL: https://issues.apache.org/jira/browse/HIVE-7160
Project: Hive
Issue Type: Bug
Reporter: Gopal V
simple UDF missing vectorization - simple example would be
hive> explain select concat( l_orderkey, ' msecs') from lineitem;
is not vectorized while
hive> explain select concat(cast(l_orderkey as string), ' msecs') from
lineitem;
can be vectorized.
{code}
14/05/31 15:28:59 [main]: DEBUG vector.VectorizationContext: No vector udf
found for GenericUDFConcat, descriptor: Argument Count = 2, mode = PROJECTION,
Argument Types = {LONG, STRING}, Input Expression Types = {COLUMN,COLUMN}
14/05/31 15:28:59 [main]: DEBUG physical.Vectorizer: Failed to vectorize
org.apache.hadoop.hive.ql.metadata.HiveException: Udf: GenericUDFConcat, is not
supported
at
org.apache.hadoop.hive.ql.exec.vector.VectorizationContext.getGenericUdfVectorExpression(VectorizationContext.java:918)
{code}
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