blob: 7010120db587772a661e497856fdf0db939621d2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* connection.h - definition for the psycopg connection type
*
* Copyright (C) 2003 Federico Di Gregorio <fog@debian.org>
*
* This file is part of psycopg.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef PSYCOPG_CONNECTION_H
#define PSYCOPG_CONNECTION_H 1
#include <Python.h>
#include <libpq-fe.h>
#ifdef __cplusplus
extern "C" {
#endif
/* connection status */
#define CONN_STATUS_READY 1
#define CONN_STATUS_BEGIN 2
#define CONN_STATUS_SYNC 3
#define CONN_STATUS_ASYNC 4
extern PyTypeObject connectionType;
typedef struct {
PyObject HEAD;
pthread_mutex_t lock; /* the global connection lock */
char *dsn; /* data source name */
char *critical; /* critical error on this connection */
char *encoding; /* current backend encoding */
long int closed; /* 2 means connection has been closed */
long int isolation_level; /* isolation level for this connection */
long int mark; /* number of commits/rollbacks done so far */
int status; /* status of the connection */
int protocol; /* protocol version */
PGconn *pgconn; /* the postgresql connection */
PyObject *async_cursor;
/* notice processing */
PyObject *notice_list;
PyObject *notice_filter;
/* notifies */
PyObject *notifies;
/* errors (DBAPI-2.0 extension) */
PyObject *exc_Error;
PyObject *exc_Warning;
PyObject *exc_InterfaceError;
PyObject *exc_DatabaseError;
PyObject *exc_InternalError;
PyObject *exc_OperationalError;
PyObject *exc_ProgrammingError;
PyObject *exc_IntegrityError;
PyObject *exc_DataError;
PyObject *exc_NotSupportedError;
} connectionObject;
/* C-callable functions in connection_int.c and connection_ext.c */
extern int conn_connect(connectionObject *self);
extern void conn_close(connectionObject *self);
extern int conn_commit(connectionObject *self);
extern int conn_rollback(connectionObject *self);
extern int conn_switch_isolation_level(connectionObject *self, int level);
extern int conn_set_client_encoding(connectionObject *self, char *enc);
/* exception-raising macros */
#define EXC_IF_CONN_CLOSED(self) if ((self)->closed > 0) { \
PyErr_SetString(InterfaceError, "connection already closed"); \
return NULL; }
#ifdef __cplusplus
}
#endif
#endif /* !defined(PSYCOPG_CONNECTION_H) */
|
