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 ***********************************************************************/
12 define('DB_DUPLICATE_ERROR', 1062);
13 define('SQL_MODE', ''); // STRICT_ALL_TABLES,NO_ZERO_IN_DATE ?
15 function set_global_connection($company=-1)
17 global $db, $path_to_root, $db_connections;
19 include ($path_to_root . "/config_db.php");
21 $company = user_company();
23 cancel_transaction(); // cancel all aborted transactions if any
25 $_SESSION["wa_current_user"]->cur_con = $company;
27 $connection = $db_connections[$company];
29 $db = mysql_connect($connection["host"], $connection["dbuser"], $connection["dbpassword"]);
30 mysql_select_db($connection["dbname"], $db);
31 ///// From MySql release 5.6.6 the sql_mode is no longer empty as it was prior to
32 ///// this release. Just for safety we make it empty for all 5.6 release and higher.
33 ///// This non empty sql_mode values can interphere with FA, so all is set empty during
35 ///// We are, however, investigating the existing code to be compatible in the future.
36 db_query("SET sql_mode = '".SQL_MODE."'");
41 //DB wrapper functions to change only once for whole application
43 function db_query($sql, $err_msg=null)
45 global $db, $SysPrefs, $sql_queries, $Ajax, $db_connections, $db_last_inserted_id;
47 // set current db prefix
48 $comp = isset($_SESSION["wa_current_user"]->cur_con) ? $_SESSION["wa_current_user"]->cur_con : 0;
49 $cur_prefix = $db_connections[$comp]['tbpref'];
50 $sql = str_replace(TB_PREF, $cur_prefix, $sql);
52 if ($SysPrefs->show_sql)
54 $Ajax->activate('footer_debug');
55 $sql_queries .= "<pre>$sql</pre>\n<hr>";
58 db_profile(); // mysql profiling
60 $retry = MAX_DEADLOCK_RETRY;
62 $result = mysql_query($db, $sql);
63 if (mysql_errno($db) == 1213) { // deadlock detected
71 if($SysPrefs->sql_trail) {
72 $db_last_inserted_id = mysql_insert_id($db); // preserve in case trail insert is done
73 if ($SysPrefs->select_trail || (strstr($sql, 'SELECT') === false)) {
75 "INSERT INTO ".$cur_prefix."sql_trail
76 (`sql`, `result`, `msg`)
77 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
78 ".db_escape($err_msg).")", $db);
82 if ($err_msg != null || $SysPrefs->go_debug) {
83 $exit = $err_msg != null;
84 if (function_exists('xdebug_call_file'))
85 $err_msg = '<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg;
86 check_db_error($err_msg, $sql, $exit);
91 function db_fetch_row($result)
94 return mysql_fetch_row($result);
97 function db_fetch_assoc($result)
100 return mysql_fetch_assoc($result);
103 function db_fetch($result)
106 return mysql_fetch_array($result);
109 function db_seek(&$result,$record)
111 return mysql_data_seek($result, $record);
114 function db_free_result($result)
117 mysql_free_result($result);
120 function db_num_rows($result)
122 return mysql_num_rows($result);
125 function db_num_fields($result)
127 return mysql_num_fields($result);
130 function db_escape($value = "", $nullify = false)
132 $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
133 $value = html_specials_encode($value);
135 //reset default if second parameter is skipped
136 $nullify = ($nullify === null) ? (false) : ($nullify);
138 //check for null/unset/empty strings
139 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
140 $value = ($nullify) ? ("NULL") : ("''");
142 if (is_string($value)) {
143 //value is a string and should be quoted; determine best method based on available extensions
144 if (function_exists('mysql_real_escape_string')) {
145 $value = "'" . mysql_real_escape_string($value) . "'";
147 $value = "'" . mysql_escape_string($value) . "'";
149 } else if (!is_numeric($value)) {
150 //value is not a string nor numeric
151 display_error("ERROR: incorrect data type send to sql query");
159 function db_error_no()
162 return mysql_errno($db);
165 function db_error_msg($conn)
167 return mysql_error($conn);
170 function db_insert_id()
172 global $db_last_inserted_id, $SysPrefs, $db;
174 return $SysPrefs->sql_trail ? $db_last_inserted_id : mysql_insert_id($db);
177 function db_num_affected_rows()
180 return mysql_affected_rows($db);
183 function db_field_name($result, $n)
185 return mysql_field_name($result, $n);
188 function db_create_db($connection)
190 $db = mysql_connect($connection["host"] ,
191 $connection["dbuser"], $connection["dbpassword"]);
193 if (!mysql_select_db($connection["dbname"], $db))
195 $sql = "CREATE DATABASE IF NOT EXISTS " . $connection["dbname"] . "";
196 if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
202 function db_drop_db($connection)
205 if ($connection["tbpref"] == "")
207 $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
208 return mysql_query($sql);
212 $res = db_query("show table status");
213 $all_tables = array();
214 while($row = db_fetch($res))
215 $all_tables[] = $row;
216 // get table structures
217 foreach ($all_tables as $table)
219 if (strpos($table['Name'], $connection["tbpref"]) === 0)
220 db_query("DROP TABLE `".$table['Name'] . "`");
222 //deleting the tables, how??
227 function db_close($dbase = null)
233 return mysql_close($dbase);
236 function db_extension_exists()
238 return function_exists('mysql_connect');
241 function db_escape_function($string)
243 return (function_exists('mysql_real_escape_string') ? mysql_real_escape_string($string) : mysql_escape_string($string));
247 Set mysql client encoding.
248 Default is is encoding used by default language.
250 function db_set_encoding($ui_encoding=null)
252 global $dflt_lang, $installed_languages;
254 if (!isset($ui_encoding))
256 $lang = array_search_value($dflt_lang, $installed_languages, 'code');
257 $ui_encoding = strtoupper($lang['encoding']);
260 if ($mysql_enc = get_mysql_encoding_name($ui_encoding))
261 mysql_set_charset($mysql_enc);
264 function db_get_charset($db)
266 return mysql_client_encoding();
269 function db_set_charset($db, $charset)
271 return mysql_set_charset($charset, $db);