arrow.aggregation

Module for [Aggregation] class

Types 3

Methods
GType _getGType() static nothrow
GType _gType() @property nothrow
Aggregation self() nothrowReturns `this`, for use in `with` statements.
AggregationGidBuilder builder() static nothrowGet builder for [arrow.aggregation.Aggregation] Returns: New builder object
string function_() @property nothrowGet `function_` property. Returns: The function name to aggregate.
string input() @property nothrowGet `input` property. Returns: The input field name of aggregate function.
arrow.function_options.FunctionOptions options() @property nothrowGet `options` property. Returns: The options of aggregate function.
string output() @property nothrowGet `output` property. Returns: The output field name of aggregate function.
Constructors
this(void * ptr, Flag!"Take" take)
this(string function_, arrow.function_options.FunctionOptions options, string input, string output)

Fluent builder implementation template for arrow.aggregation.Aggregation

Methods
T function_(string propval) nothrowSet `function_` property. Params: propval = The function name to aggregate. Returns: Builder instance for fluent chaining
T input(string propval) nothrowSet `input` property. Params: propval = The input field name of aggregate function. Returns: Builder instance for fluent chaining
T options(arrow.function_options.FunctionOptions propval) nothrowSet `options` property. Params: propval = The options of aggregate function. Returns: Builder instance for fluent chaining
T output(string propval) nothrowSet `output` property. Params: propval = The output field name of aggregate function. Returns: Builder instance for fluent chaining
Methods
Aggregation build() nothrowCreate object from builder. Returns: New object