Constructor

GandivaSelectableProjectornew

since: 4.0.0

Declaration [src]

GGandivaSelectableProjector*
ggandiva_selectable_projector_new (
  GArrowSchema* schema,
  GList* expressions,
  GGandivaSelectionVectorMode mode,
  GError** error
)

Description

No description available.

Available since: 4.0.0

Parameters

schema

Type: GArrowSchema

A GArrowSchema.

The data is owned by the caller of the function.
expressions

Type: A list of None

The built expressions.

The data is owned by the caller of the function.
mode

Type: GGandivaSelectionVectorMode

A GGandivaSelectionVectorMode to be used.

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 a NULL GError*.
The argument will left initialized to NULL by 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: GGandivaSelectableProjector

A newly created GGandivaProjector on success, NULL on error.

The caller of the function takes ownership of the data, and is responsible for freeing it.
The return value can be NULL.