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#include <libpq-fe.h>
/* cursors */
typedef struct _cursor {
PGresult *res;
int nrows; /* number of rows in query result */
int row; /* current row */
dbToken token;
int type; /* type of cursor: SELECT, UPDATE, INSERT */
int *cols; /* indexes of known (type) columns */
int ncols; /* number of known columns */
} cursor;
typedef struct {
char *host, *port, *options, *tty, *dbname, *user, *password, *schema;
} PGCONN;
/* PostgreSQL data types defined in GRASS
(see also: /usr/include/postgresql/<version>/server/catalog/pg_type.h)
PostGIS types are encoded as 17xxx.
Types/OIDs are fetched in db.c from server.
*/
typedef enum { /* name in pg_type, aliases */
PG_TYPE_UNKNOWN, /* all types not supported by GRASS */
PG_TYPE_BIT, /* bit */
PG_TYPE_INT2, /* int2, smallint */
PG_TYPE_INT4, /* int4, integer, int */
PG_TYPE_INT8, /* int8, bigint */
PG_TYPE_SERIAL, /* serial */
PG_TYPE_OID, /* oid */
PG_TYPE_FLOAT4, /* float4, real */
PG_TYPE_FLOAT8, /* float8, double precision */
PG_TYPE_NUMERIC, /* numeric, decimal */
PG_TYPE_CHAR, /* char, character */
PG_TYPE_BPCHAR, /* ??? blank padded character, oid of this type
is returned for char fields */
PG_TYPE_VARCHAR, /* varchar, character varying */
PG_TYPE_TEXT, /* text */
PG_TYPE_DATE, /* date */
PG_TYPE_TIME, /* time */
PG_TYPE_TIMESTAMP, /* timestamp */
PG_TYPE_BOOL, /* bool, boolean */
PG_TYPE_POSTGIS_GEOM, /* geometry column of PostGIS, GRASS
internal type */
PG_TYPE_POSTGIS_TOPOGEOM /* topogeometry column of PostGIS, GRASS
internal type */
} PG_TYPES;
extern PGconn *pg_conn;
extern dbString *errMsg;
extern int (*pg_types)[2];
extern int pg_ntypes;
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