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);
32 $db_duplicate_error_code = 1062;
34 //DB wrapper functions to change only once for whole application
36 function db_query($sql, $err_msg=null)
38 global $db, $show_sql, $sql_trail, $select_trail, $go_debug, $sql_queries, $Ajax,
39 $db_connections, $db_last_inserted_id;
41 // set current db prefix
42 $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
43 $sql = str_replace(TB_PREF, $cur_prefix, $sql);
47 $Ajax->activate('footer_debug');
48 $sql_queries .= "<pre>$sql</pre>\n<hr>";
51 $result = mysql_query($sql, $db);
54 $db_last_inserted_id = mysql_insert_id($db); // preserve in case trail insert is done
55 if ($select_trail || (strstr($sql, 'SELECT') === false)) {
57 "INSERT INTO ".$cur_prefix."sql_trail
58 (`sql`, `result`, `msg`)
59 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
60 ".db_escape($err_msg).")", $db);
64 if ($err_msg != null || $go_debug) {
65 $exit = $err_msg != null;
66 if (function_exists('xdebug_call_file'))
67 check_db_error('<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg, $sql, $exit);
69 check_db_error($err_msg, $sql, $exit);
74 function db_fetch_row ($result)
77 return mysql_fetch_row($result);
80 function db_fetch_assoc ($result)
83 return mysql_fetch_assoc($result);
86 function db_fetch ($result)
89 return mysql_fetch_array($result);
92 function db_seek (&$result,$record)
94 return mysql_data_seek($result, $record);
97 function db_free_result ($result)
100 mysql_free_result($result);
103 function db_num_rows ($result)
105 return mysql_num_rows($result);
108 function db_num_fields ($result)
110 return mysql_num_fields($result);
113 function db_escape($value = "", $nullify = false)
115 $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
116 $value = @htmlspecialchars($value, ENT_QUOTES, $_SESSION['language']->encoding);
118 //reset default if second parameter is skipped
119 $nullify = ($nullify === null) ? (false) : ($nullify);
121 //check for null/unset/empty strings
122 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
123 $value = ($nullify) ? ("NULL") : ("''");
125 if (is_string($value)) {
126 //value is a string and should be quoted; determine best method based on available extensions
127 if (function_exists('mysql_real_escape_string')) {
128 $value = "'" . mysql_real_escape_string($value) . "'";
130 $value = "'" . mysql_escape_string($value) . "'";
132 } else if (!is_numeric($value)) {
133 //value is not a string nor numeric
134 display_error("ERROR: incorrect data type send to sql query");
142 function db_error_no ()
145 return mysql_errno($db);
148 function db_error_msg($conn)
150 return mysql_error($conn);
153 function db_insert_id()
155 global $db_last_inserted_id, $sql_trail, $db;
157 return $sql_trail ? $db_last_inserted_id : mysql_insert_id($db);
160 function db_num_affected_rows()
163 return mysql_affected_rows($db);
166 function db_field_name($result, $n)
168 return mysql_field_name($result, $n);
171 function db_create_db($connection)
173 $db = mysql_connect($connection["host"] ,
174 $connection["dbuser"], $connection["dbpassword"]);
175 if (!mysql_select_db($connection["dbname"], $db))
177 $sql = "CREATE DATABASE IF NOT EXISTS " . $connection["dbname"] . "";
178 if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
184 function db_drop_db($connection)
187 if ($connection["tbpref"] == "")
189 $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
190 return mysql_query($sql);
194 $res = db_query("show table status");
195 $all_tables = array();
196 while($row = db_fetch($res))
197 $all_tables[] = $row;
198 // get table structures
199 foreach ($all_tables as $table)
201 if (strpos($table['Name'], $connection["tbpref"]) === 0)
202 db_query("DROP TABLE `".$table['Name'] . "`");
204 //deleting the tables, how??
209 function db_close($dbase = null)
215 return mysql_close($dbase);