Constructor
ArrowAggregationnew
since: 6.0.0
Declaration [src]
GArrowAggregation*
garrow_aggregation_new (
const gchar* function,
GArrowFunctionOptions* options,
const gchar* input,
const gchar* output
)
Parameters
function
-
Type:
const gchar*
A name of aggregate function.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. options
-
Type:
GArrowFunctionOptions
A
GArrowFunctionOptions
of aggregate function.The argument can be NULL
.The data is owned by the caller of the function. input
-
Type:
const gchar*
An input field name of aggregate function.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string. output
-
Type:
const gchar*
An output field name of aggregate function.
The data is owned by the caller of the function. The value is a NUL terminated UTF-8 string.
Return value
Type: GArrowAggregation
A newly created GArrowAggregation
.
The caller of the function takes ownership of the data, and is responsible for freeing it. |