connect.c File Reference

DBMI Library (base) - connect to DB. More...

#include <grass/gis.h>
#include <grass/dbmi.h>

Include dependency graph for db/dbmi_base/connect.c:

Go to the source code of this file.

Functions
int	db_set_connection (dbConnection *connection)
	Set default DB connection settings.
int	db_get_connection (dbConnection *connection)
	Get default DB connection settings for the current mapset.

Detailed Description

DBMI Library (base) - connect to DB.

(C) 1999-2009, 2011 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

Joel Jones (CERL/UIUC), Radim Blazek

Doxygenized by Martin Landa <landa.martin gmail.com> (2011)

Definition in file db/dbmi_base/connect.c.

Function Documentation

db_get_connection()

int db_get_connection

(

dbConnection *

connection

)

Get default DB connection settings for the current mapset.

Parameters

[out]

connection

pointer to dbConnection to be modified

Returns

DB_OK

DB_FAILED

Definition at line 73 of file db/dbmi_base/connect.c.

References DB_FAILED, db_get_login(), DB_OK, G_getenv_nofatal2(), G_VAR_MAPSET, G_zero(), and NULL.

Referenced by db_start_driver(), V1_close_nat(), and Vect_default_field_info().

db_set_connection()

int db_set_connection

(

dbConnection *

connection

)

Set default DB connection settings.

This function sets environmental variables as DB_DRIVER, DB_DATABASE, DB_SCHEMA, DB_GROUP.

Parameters

connection

pointer to dbConnection with default settings

Returns

DB_OK

Definition at line 28 of file db/dbmi_base/connect.c.

References DB_OK, G_setenv2(), G_unsetenv2(), and G_VAR_MAPSET.

Referenced by db_set_default_connection().