rewind_pg.c File Reference

Vector library - rewind data (PostGIS layers) More...

#include <grass/vector.h>
#include <grass/glocale.h>
#include "local_proto.h"
#include "pg_local_proto.h"

Include dependency graph for rewind_pg.c:

Go to the source code of this file.

Functions
int	V1_rewind_pg (struct Map_info *Map)
	Rewind vector map (PostGIS layer) to cause reads to start at beginning (level 1) More...
int	V2_rewind_pg (struct Map_info *Map)
	Rewind vector map (PostGIS layer) to cause reads to start at beginning on topological level (level 2) More...

Detailed Description

Vector library - rewind data (PostGIS layers)

Higher level functions for reading/writing/manipulating vectors.

(C) 2011-2012 by the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Author

Martin Landa <landa.martin gmail.com>

Definition in file rewind_pg.c.

Function Documentation

V1_rewind_pg()

int V1_rewind_pg

(

struct Map_info *

Map

)

Rewind vector map (PostGIS layer) to cause reads to start at beginning (level 1)

Parameters

Map	pointer to Map_info structure

Returns

0 on success

-1 on error

Definition at line 34 of file rewind_pg.c.

References _, Format_info_pg::cache, Format_info_cache::ctype, Format_info_cache::fid, Map_info::fInfo, G_debug(), G_fatal_error(), Format_info_cache::lines_next, Format_info_cache::lines_num, Map_info::name, Format_info_pg::next_line, Format_info::pg, and Vect__close_cursor_pg().

Referenced by V2_rewind_pg().

V2_rewind_pg()

int V2_rewind_pg

(

struct Map_info *

Map

)

Rewind vector map (PostGIS layer) to cause reads to start at beginning on topological level (level 2)

Parameters

Map	pointer to Map_info structure

Returns

0 on success

-1 on error

Definition at line 70 of file rewind_pg.c.

References _, G_debug(), G_fatal_error(), Map_info::name, Map_info::next_line, and V1_rewind_pg().