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java.lang.Object org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver org.apache.hadoop.hive.ql.udf.generic.GenericUDAFComputeStats
public class GenericUDAFComputeStats
GenericUDAFComputeStats
Nested Class Summary | |
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static class |
GenericUDAFComputeStats.GenericUDAFBinaryStatsEvaluator
GenericUDAFBinaryStatsEvaluator. |
static class |
GenericUDAFComputeStats.GenericUDAFBooleanStatsEvaluator
GenericUDAFBooleanStatsEvaluator. |
static class |
GenericUDAFComputeStats.GenericUDAFDecimalStatsEvaluator
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static class |
GenericUDAFComputeStats.GenericUDAFDoubleStatsEvaluator
GenericUDAFDoubleStatsEvaluator. |
static class |
GenericUDAFComputeStats.GenericUDAFLongStatsEvaluator
GenericUDAFLongStatsEvaluator. |
static class |
GenericUDAFComputeStats.GenericUDAFStringStatsEvaluator
GenericUDAFStringStatsEvaluator. |
Constructor Summary | |
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GenericUDAFComputeStats()
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Method Summary | |
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GenericUDAFEvaluator |
getEvaluator(TypeInfo[] parameters)
Get the evaluator for the parameter types. |
Methods inherited from class org.apache.hadoop.hive.ql.udf.generic.AbstractGenericUDAFResolver |
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getEvaluator |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public GenericUDAFComputeStats()
Method Detail |
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public GenericUDAFEvaluator getEvaluator(TypeInfo[] parameters) throws SemanticException
GenericUDAFResolver
If the class of the object does not implement Serializable, then we will create a new instance of the class at execution time.
getEvaluator
in interface GenericUDAFResolver
getEvaluator
in class AbstractGenericUDAFResolver
parameters
- The types of the parameters. We need the type information to know
which evaluator class to use.
SemanticException
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