1 /*
2   +----------------------------------------------------------------------+
3   | Copyright (c) The PHP Group                                          |
4   +----------------------------------------------------------------------+
5   | This source file is subject to version 3.01 of the PHP license,      |
6   | that is bundled with this package in the file LICENSE, and is        |
7   | available through the world-wide-web at the following url:           |
8   | http://www.php.net/license/3_01.txt                                  |
9   | If you did not receive a copy of the PHP license and are unable to   |
10   | obtain it through the world-wide-web, please send a note to          |
11   | license@php.net so we can mail you a copy immediately.               |
12   +----------------------------------------------------------------------+
13   | Authors: Edin Kadribasic <edink@emini.dk>                            |
14   |          Ilia Alshanestsky <ilia@prohost.org>                        |
15   |          Wez Furlong <wez@php.net>                                   |
16   +----------------------------------------------------------------------+
17 */
18 
19 #ifndef PHP_PDO_PGSQL_INT_H
20 #define PHP_PDO_PGSQL_INT_H
21 
22 #include <libpq-fe.h>
23 #include <libpq/libpq-fs.h>
24 #include <php.h>
25 
26 #define PHP_PDO_PGSQL_CONNECTION_FAILURE_SQLSTATE "08006"
27 
28 typedef struct {
29 	const char *file;
30 	int line;
31 	unsigned int errcode;
32 	char *errmsg;
33 } pdo_pgsql_error_info;
34 
35 /* stuff we use in a pgsql database handle */
36 typedef struct {
37 	PGconn		*server;
38 	unsigned 	attached:1;
39 	unsigned 	_reserved:31;
40 	pdo_pgsql_error_info	einfo;
41 	Oid 		pgoid;
42 	unsigned int	stmt_counter;
43 	/* The following two variables have the same purpose. Unfortunately we need
44 	   to keep track of two different attributes having the same effect. */
45 	zend_bool		emulate_prepares;
46 	zend_bool		disable_native_prepares; /* deprecated since 5.6 */
47 	zend_bool		disable_prepares;
48 } pdo_pgsql_db_handle;
49 
50 typedef struct {
51 	char         *def;
52 	zend_long    intval;
53 	Oid          pgsql_type;
54 	zend_bool    boolval;
55 } pdo_pgsql_column;
56 
57 typedef struct {
58 	pdo_pgsql_db_handle     *H;
59 	PGresult                *result;
60 	pdo_pgsql_column        *cols;
61 	char *cursor_name;
62 	char *stmt_name;
63 	char *query;
64 	char **param_values;
65 	int *param_lengths;
66 	int *param_formats;
67 	Oid *param_types;
68 	int                     current_row;
69 	zend_bool is_prepared;
70 } pdo_pgsql_stmt;
71 
72 typedef struct {
73 	Oid     oid;
74 } pdo_pgsql_bound_param;
75 
76 extern const pdo_driver_t pdo_pgsql_driver;
77 
78 extern int _pdo_pgsql_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, int errcode, const char *sqlstate, const char *msg, const char *file, int line);
79 #define pdo_pgsql_error(d,e,z)	_pdo_pgsql_error(d, NULL, e, z, NULL, __FILE__, __LINE__)
80 #define pdo_pgsql_error_msg(d,e,m)	_pdo_pgsql_error(d, NULL, e, NULL, m, __FILE__, __LINE__)
81 #define pdo_pgsql_error_stmt(s,e,z)	_pdo_pgsql_error(s->dbh, s, e, z, NULL, __FILE__, __LINE__)
82 #define pdo_pgsql_error_stmt_msg(stmt, e, sqlstate, msg) \
83 	_pdo_pgsql_error(stmt->dbh, stmt, e, sqlstate, msg, __FILE__, __LINE__)
84 
85 extern const struct pdo_stmt_methods pgsql_stmt_methods;
86 
87 #define pdo_pgsql_sqlstate(r) PQresultErrorField(r, PG_DIAG_SQLSTATE)
88 
89 enum {
90 	PDO_PGSQL_ATTR_DISABLE_PREPARES = PDO_ATTR_DRIVER_SPECIFIC,
91 };
92 
93 struct pdo_pgsql_lob_self {
94 	zval dbh;
95 	PGconn *conn;
96 	int lfd;
97 	Oid oid;
98 };
99 
100 enum pdo_pgsql_specific_constants {
101 	PGSQL_TRANSACTION_IDLE = PQTRANS_IDLE,
102 	PGSQL_TRANSACTION_ACTIVE = PQTRANS_ACTIVE,
103 	PGSQL_TRANSACTION_INTRANS = PQTRANS_INTRANS,
104 	PGSQL_TRANSACTION_INERROR = PQTRANS_INERROR,
105 	PGSQL_TRANSACTION_UNKNOWN = PQTRANS_UNKNOWN
106 };
107 
108 php_stream *pdo_pgsql_create_lob_stream(zval *pdh, int lfd, Oid oid);
109 extern const php_stream_ops pdo_pgsql_lob_stream_ops;
110 
111 void pdo_libpq_version(char *buf, size_t len);
112 
113 #endif /* PHP_PDO_PGSQL_INT_H */
114