Method

ParquetArrowFileReaderread_column_data

since: 0.15.0

Declaration [src] 

GArrowChunkedArray*
gparquet_arrow_file_reader_read_column_data (
  GParquetArrowFileReader* reader,
  gint i,
  GError** error
)

Description

No description available.

Available since: 0.15.0

Parameters

i

Type: gint

The index of the column to be read. If an index is negative, the index is counted backward from the end of the columns. -1 means the last column.

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: GArrowChunkedArray

A read GArrowChunkedArray.

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