Constructor
ArrowHashJoinNodeOptionsnew
since: 7.0.0
Declaration [src]
GArrowHashJoinNodeOptions*
garrow_hash_join_node_options_new (
GArrowJoinType type,
const gchar** left_keys,
gsize n_left_keys,
const gchar** right_keys,
gsize n_right_keys,
GError** error
)
Parameters
type-
Type:
GArrowJoinTypeA
GArrowJoinTypeto be used. left_keys-
Type: An array of
gchar*Left join keys.
The length of the array is specified in the n_left_keysargument.The data is owned by the caller of the function. Each element is a NUL terminated UTF-8 string. n_left_keys-
Type:
gsizeThe number of
left_keys. right_keys-
Type: An array of
gchar*Right join keys.
The length of the array is specified in the n_right_keysargument.The data is owned by the caller of the function. Each element is a NUL terminated UTF-8 string. n_right_keys-
Type:
gsizeThe number of
right_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: GArrowHashJoinNodeOptions
A newly created GArrowHashJoinNodeOptions 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. |