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
98
99
100
101
102
103
104
105
106
107
108
109
110
|
// file : odb/mssql/connection.cxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : ODB NCUEL; see accompanying LICENSE file
//@@ disabled functionality
//#include <string>
#include <odb/mssql/odbc.hxx>
#include <odb/mssql/database.hxx>
#include <odb/mssql/connection.hxx>
//#include <odb/mssql/transaction.hxx>
//#include <odb/mssql/statement.hxx>
//#include <odb/mssql/statement-cache.hxx>
#include <odb/mssql/error.hxx>
using namespace std;
namespace odb
{
namespace mssql
{
connection::
connection (database_type& db)
: odb::connection (db),
db_ (db),
state_ (state_disconnected)
// statement_cache_ (new statement_cache_type (*this))
{
SQLRETURN r;
// Allocate the connection handle.
//
{
SQLHANDLE h;
r = SQLAllocHandle (SQL_HANDLE_DBC, db_.environment (), &h);
if (!SQL_SUCCEEDED (r))
translate_error (db_.environment (), SQL_HANDLE_ENV);
handle_.reset (h);
}
// Connect.
//
{
SQLSMALLINT out_conn_str_size;
r = SQLDriverConnect (handle_,
0, // Parent windows handle.
(SQLCHAR*) db_.connect_string ().c_str (),
SQL_NTS,
0, // Output connection string buffer.
0, // Size of output connection string buffer.
&out_conn_str_size,
SQL_DRIVER_NOPROMPT);
if (!SQL_SUCCEEDED (r))
// Still use the handle version of translate_error since there
// is no connection.
//
translate_error (handle_, SQL_HANDLE_DBC);
state_ = state_connected;
}
// If an exception is thrown after this line, we will not disconnect
// the connection.
//
}
connection::
connection (database_type& db, SQLHDBC handle)
: odb::connection (db),
db_ (db),
handle_ (handle),
state_ (state_connected)
// statement_cache_ (new statement_cache_type (*this))
{
}
connection::
~connection ()
{
// Deallocate prepared statements before we close the connection.
//
//statement_cache_.reset ();
if (state_ != state_disconnected)
SQLDisconnect (handle_); // Ignore any errors.
}
transaction_impl* connection::
begin ()
{
//@@
//return new transaction_impl (connection_ptr (inc_ref (this)));
return 0;
}
unsigned long long connection::
execute (const char* /*s*/, std::size_t /*n*/)
{
//@@
//generic_statement st (*this, string (s, n));
//return st.execute ();
return 0;
}
}
}
|