Method

ArrowFeatherFileReaderread_indices

since: 0.12.0

Declaration [src]

GArrowTable*
garrow_feather_file_reader_read_indices (
  GArrowFeatherFileReader* reader,
  const gint* indices,
  guint n_indices,
  GError** error
)

Description

No description available.

Available since: 0.12.0

Parameters

indices

Type: An array of gint

The indices of column to be read.

The length of the array is specified in the n_indices argument.

The data is owned by the caller of the function.

n_indices

Type: guint

The number of indices.

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 method 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: GArrowTable

The table in the file that has only the specified columns.

The caller of the method takes ownership of the data, and is responsible for freeing it.