2 /**********************************************************************
3 Copyright (C) FrontAccounting, LLC.
4 Released under the terms of the GNU General Public License, GPL,
5 as published by the Free Software Foundation, either version 3
6 of the License, or (at your option) any later version.
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
10 See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
13 function set_global_connection($company=-1)
15 global $db, $transaction_level, $db_connections;
17 cancel_transaction(); // cancel all aborted transactions if any
18 $transaction_level = 0;
21 $company = $_SESSION["wa_current_user"]->company;
23 $_SESSION["wa_current_user"]->cur_con = $company;
25 $connection = $db_connections[$company];
27 $db = mysql_connect($connection["host"], $connection["dbuser"], $connection["dbpassword"]);
28 mysql_select_db($connection["dbname"], $db);
29 ///// From MySql release 5.6.6 the sql_mode is no longer empty as it was prior to
30 ///// this release. Just for safety we set it empty for all 5.6 release and higher.
31 ///// This non empty sql_mode values can interphere with FA, so all is set empty during
33 ///// We are, however, investigating the existing code to be compatible in the future.
34 ///// We are also working on a mysql/mysqli solution to go to release 2.4.
35 if (strncmp(mysql_get_server_info(), "5.6", 3) >= 0)
36 db_query("SET sql_mode = ''");
41 $db_duplicate_error_code = 1062;
43 //DB wrapper functions to change only once for whole application
45 function db_query($sql, $err_msg=null)
47 global $db, $show_sql, $sql_trail, $select_trail, $go_debug, $sql_queries, $Ajax,
48 $db_connections, $db_last_inserted_id;
50 // set current db prefix
51 $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
52 $sql = str_replace(TB_PREF, $cur_prefix, $sql);
56 $Ajax->activate('footer_debug');
57 $sql_queries .= "<pre>$sql</pre>\n<hr>";
60 $result = mysql_query($sql, $db);
63 $db_last_inserted_id = mysql_insert_id($db); // preserve in case trail insert is done
64 if ($select_trail || (strstr($sql, 'SELECT') === false)) {
66 "INSERT INTO ".$cur_prefix."sql_trail
67 (`sql`, `result`, `msg`)
68 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
69 ".db_escape($err_msg).")", $db);
73 if ($err_msg != null || $go_debug) {
74 $exit = $err_msg != null;
75 if (function_exists('xdebug_call_file'))
76 check_db_error('<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg, $sql, $exit);
78 check_db_error($err_msg, $sql, $exit);
83 function db_fetch_row ($result)
86 return mysql_fetch_row($result);
89 function db_fetch_assoc ($result)
92 return mysql_fetch_assoc($result);
95 function db_fetch ($result)
98 return mysql_fetch_array($result);
101 function db_seek (&$result,$record)
103 return mysql_data_seek($result, $record);
106 function db_free_result ($result)
109 mysql_free_result($result);
112 function db_num_rows ($result)
114 return mysql_num_rows($result);
117 function db_num_fields ($result)
119 return mysql_num_fields($result);
122 function db_escape($value = "", $nullify = false)
124 $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
125 $value = @htmlspecialchars($value, ENT_QUOTES, $_SESSION['language']->encoding=='iso-8859-2' ? 'ISO-8859-1' : $_SESSION['language']->encoding);
127 //reset default if second parameter is skipped
128 $nullify = ($nullify === null) ? (false) : ($nullify);
130 //check for null/unset/empty strings
131 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
132 $value = ($nullify) ? ("NULL") : ("''");
134 if (is_string($value)) {
135 //value is a string and should be quoted; determine best method based on available extensions
136 if (function_exists('mysql_real_escape_string')) {
137 $value = "'" . mysql_real_escape_string($value) . "'";
139 $value = "'" . mysql_escape_string($value) . "'";
141 } else if (!is_numeric($value)) {
142 //value is not a string nor numeric
143 display_error("ERROR: incorrect data type send to sql query");
151 function db_error_no ()
154 return mysql_errno($db);
157 function db_error_msg($conn)
159 return mysql_error($conn);
162 function db_insert_id()
164 global $db_last_inserted_id, $sql_trail, $db;
166 return $sql_trail ? $db_last_inserted_id : mysql_insert_id($db);
169 function db_num_affected_rows()
172 return mysql_affected_rows($db);
175 function db_field_name($result, $n)
177 return mysql_field_name($result, $n);
180 function db_create_db($connection)
182 $db = mysql_connect($connection["host"] ,
183 $connection["dbuser"], $connection["dbpassword"]);
184 if (!mysql_select_db($connection["dbname"], $db))
186 $sql = "CREATE DATABASE IF NOT EXISTS " . $connection["dbname"] . "";
187 if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
193 function db_drop_db($connection)
196 if ($connection["tbpref"] == "")
198 $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
199 return mysql_query($sql);
203 $res = db_query("show table status");
204 $all_tables = array();
205 while($row = db_fetch($res))
206 $all_tables[] = $row;
207 // get table structures
208 foreach ($all_tables as $table)
210 if (strpos($table['Name'], $connection["tbpref"]) === 0)
211 db_query("DROP TABLE `".$table['Name'] . "`");
213 //deleting the tables, how??
218 function db_close($dbase = null)
224 return mysql_close($dbase);