| Package | Description |
|---|---|
| org.apache.flink.table.functions | |
| org.apache.flink.table.functions.python |
| Modifier and Type | Class and Description |
|---|---|
class |
AggregateFunction<T,ACC>
Base class for a user-defined aggregate function.
|
class |
TableAggregateFunction<T,ACC>
Base class for a user-defined table aggregate function.
|
| Modifier and Type | Method and Description |
|---|---|
static <T,ACC> org.apache.flink.api.common.typeinfo.TypeInformation<ACC> |
UserDefinedFunctionHelper.getAccumulatorTypeOfAggregateFunction(ImperativeAggregateFunction<T,ACC> aggregateFunction)
Tries to infer the TypeInformation of an AggregateFunction's accumulator type.
|
static <T,ACC> org.apache.flink.api.common.typeinfo.TypeInformation<ACC> |
UserDefinedFunctionHelper.getAccumulatorTypeOfAggregateFunction(ImperativeAggregateFunction<T,ACC> aggregateFunction,
org.apache.flink.api.common.typeinfo.TypeInformation<ACC> scalaType)
Tries to infer the TypeInformation of an AggregateFunction's accumulator type.
|
static InputTypeStrategy |
LegacyUserDefinedFunctionInference.getInputTypeStrategy(ImperativeAggregateFunction<?,?> func)
Deprecated.
|
static <T,ACC> org.apache.flink.api.common.typeinfo.TypeInformation<T> |
UserDefinedFunctionHelper.getReturnTypeOfAggregateFunction(ImperativeAggregateFunction<T,ACC> aggregateFunction)
Tries to infer the TypeInformation of an AggregateFunction's accumulator type.
|
static <T,ACC> org.apache.flink.api.common.typeinfo.TypeInformation<T> |
UserDefinedFunctionHelper.getReturnTypeOfAggregateFunction(ImperativeAggregateFunction<T,ACC> aggregateFunction,
org.apache.flink.api.common.typeinfo.TypeInformation<T> scalaType)
Tries to infer the TypeInformation of an AggregateFunction's accumulator type.
|
| Modifier and Type | Class and Description |
|---|---|
class |
PythonAggregateFunction
The wrapper of user defined python aggregate function.
|
class |
PythonTableAggregateFunction
The wrapper of user defined python table aggregate function.
|
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