Constructor
ArrowAggregateNodeOptionsnew
since: 6.0.0
Declaration [src]
GArrowAggregateNodeOptions*
garrow_aggregate_node_options_new (
GList* aggregations,
const gchar** keys,
gsize n_keys,
GError** error
)
Parameters
aggregations-
Type: A list of
NoneA list of
GArrowAggregation.The data is owned by the caller of the function. keys-
Type: An array of
gchar*Group keys.
The argument can be NULL.The length of the array is specified in the n_keysargument.The data is owned by the caller of the function. Each element is a NUL terminated UTF-8 string. n_keys-
Type:
gsizeThe number of
keys. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will left initialized to NULLby the constructor if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.
Return value
Type: GArrowAggregateNodeOptions
A newly created GArrowAggregateNodeOptions on success,
NULL otherwise.
| The caller of the function takes ownership of the data, and is responsible for freeing it. |
The return value can be NULL. |