Package | Description |
---|---|
org.apache.hadoop.hive.ql.exec |
Hive QL execution tasks, operators, functions and other handlers.
|
org.apache.hadoop.hive.ql.plan |
Modifier and Type | Method and Description |
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static <T extends GenericUDAFEvaluator> |
FunctionUtils.extractEvaluators(Collection<? extends AggregationDesc> aggregations,
Class<T> clazz)
Extracts the UDAFE evaluators of the specified class from the provided aggregations.
|
Modifier and Type | Method and Description |
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List<AggregationDesc> |
GroupByDesc.getAggregators() |
Modifier and Type | Method and Description |
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void |
GroupByDesc.setAggregators(List<AggregationDesc> aggregators) |
Constructor and Description |
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GroupByDesc(GroupByDesc.Mode mode,
List<String> outputColumnNames,
List<ExprNodeDesc> keys,
List<AggregationDesc> aggregators,
boolean bucketGroup,
float groupByMemoryUsage,
float memoryThreshold,
float minReductionHashAggr,
float minReductionHashAggrLowerBound,
List<Long> listGroupingSets,
boolean groupingSetsPresent,
int groupingSetsPosition,
boolean isDistinct) |
GroupByDesc(GroupByDesc.Mode mode,
List<String> outputColumnNames,
List<ExprNodeDesc> keys,
List<AggregationDesc> aggregators,
float groupByMemoryUsage,
float memoryThreshold,
float minReductionHashAggr,
float minReductionHashAggrLowerBound,
List<Long> listGroupingSets,
boolean groupingSetsPresent,
int groupingSetsPosition,
boolean isDistinct) |
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