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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/pgsql/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_TYPES;
- #ifdef MAIN
- PGconn *pg_conn; /* Database connection */
- int (*pg_types)[2] = NULL; /* array of types, first is internal code, second PG_TYPE_* */
- int pg_ntypes = 0;
- dbString *errMsg = NULL; /* error message */
- #else
- extern PGconn *pg_conn;
- extern dbString *errMsg;
- extern int (*pg_types)[2];
- extern int pg_ntypes;
- #endif
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