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, $SysPrefs;
19 include ($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"], $db);
31 ///// From MySql release 5.6.6 the sql_mode is no longer empty as it was prior to
32 ///// this release. Just for safety we make it empty for all 5.6 release and higher.
33 ///// This non empty sql_mode values can interphere with FA, so all is set empty during
35 ///// We are, however, investigating the existing code to be compatible in the future.
36 db_query("SET sql_mode = '".SQL_MODE."'");
42 //DB wrapper functions to change only once for whole application
44 function db_query($sql, $err_msg=null)
46 global $db, $SysPrefs, $sql_queries, $Ajax, $db_connections, $db_last_inserted_id;
48 // set current db prefix
49 $comp = isset($_SESSION["wa_current_user"]->cur_con) ? $_SESSION["wa_current_user"]->cur_con : 0;
50 $cur_prefix = $db_connections[$comp]['tbpref'];
51 $sql = str_replace(TB_PREF, $cur_prefix, $sql);
53 if ($SysPrefs->show_sql)
55 $Ajax->activate('footer_debug');
56 $sql_queries .= "<pre>$sql</pre>\n<hr>";
59 db_profile(); // mysql profiling
61 $retry = MAX_DEADLOCK_RETRY;
63 $result = mysql_query($db, $sql);
64 if (mysql_errno($db) == 1213) { // deadlock detected
72 if($SysPrefs->sql_trail) {
73 $db_last_inserted_id = mysql_insert_id($db); // preserve in case trail insert is done
74 if ($SysPrefs->select_trail || (strstr($sql, 'SELECT') === false)) {
76 "INSERT INTO ".$cur_prefix."sql_trail
77 (`sql`, `result`, `msg`)
78 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
79 ".db_escape($err_msg).")", $db);
83 if ($err_msg != null || $SysPrefs->go_debug) {
84 $exit = $err_msg != null;
85 if (function_exists('xdebug_call_file'))
86 $err_msg = '<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg;
87 check_db_error($err_msg, $sql, $exit);
92 function db_fetch_row($result)
95 return mysql_fetch_row($result);
98 function db_fetch_assoc($result)
101 return mysql_fetch_assoc($result);
104 function db_fetch($result)
107 return mysql_fetch_array($result);
110 function db_seek(&$result,$record)
112 return mysql_data_seek($result, $record);
115 function db_free_result($result)
118 mysql_free_result($result);
121 function db_num_rows($result)
123 return mysql_num_rows($result);
126 function db_num_fields($result)
128 return mysql_num_fields($result);
131 function db_escape($value = "", $nullify = false)
133 $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
134 $value = html_specials_encode($value);
136 //reset default if second parameter is skipped
137 $nullify = ($nullify === null) ? (false) : ($nullify);
139 //check for null/unset/empty strings
140 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
141 $value = ($nullify) ? ("NULL") : ("''");
143 if (is_string($value)) {
144 //value is a string and should be quoted; determine best method based on available extensions
145 if (function_exists('mysql_real_escape_string')) {
146 $value = "'" . mysql_real_escape_string($value) . "'";
148 $value = "'" . mysql_escape_string($value) . "'";
150 } else if (!is_numeric($value)) {
151 //value is not a string nor numeric
152 display_error("ERROR: incorrect data type send to sql query");
160 function db_error_no()
163 return mysql_errno($db);
166 function db_error_msg($conn)
168 return mysql_error($conn);
171 function db_insert_id()
173 global $db_last_inserted_id, $SysPrefs, $db;
175 return $SysPrefs->sql_trail ? $db_last_inserted_id : mysql_insert_id($db);
178 function db_num_affected_rows()
181 return mysql_affected_rows($db);
184 function db_field_name($result, $n)
186 return mysql_field_name($result, $n);
189 function db_set_collation($db, $fa_collation)
191 return mysql_query("ALTER DATABASE COLLATE ".get_mysql_collation($fa_collation), $db);
195 Create database for FA company. If database already exists,
196 just set collation to be sure nothing weird will happen later.
198 function db_create_db($connection)
200 $db = mysql_connect($connection["host"] ,
201 $connection["dbuser"], $connection["dbpassword"]);
203 if (!mysql_select_db($connection["dbname"], $db))
205 $sql = "CREATE DATABASE IF NOT EXISTS `" . $connection["dbname"] . "`"
206 . " DEFAULT COLLATE '" . get_mysql_collation($connection["collation"]) . "'";
208 if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
211 if (!db_set_collation($connection["collation"], $db))
217 function db_drop_db($connection)
220 if ($connection["tbpref"] == "")
222 $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
223 return mysql_query($sql);
227 $res = db_query("show table status");
228 $all_tables = array();
229 while($row = db_fetch($res))
230 $all_tables[] = $row;
231 // get table structures
232 foreach ($all_tables as $table)
234 if (strpos($table['Name'], $connection["tbpref"]) === 0)
235 db_query("DROP TABLE `".$table['Name'] . "`");
237 //deleting the tables, how??
242 function db_close($dbase = null)
248 return mysql_close($dbase);
251 function db_extension_exists()
253 return function_exists('mysql_connect');
256 function db_escape_function($string)
258 return (function_exists('mysql_real_escape_string') ? mysql_real_escape_string($string) : mysql_escape_string($string));
262 Set mysql client encoding.
263 Default is is encoding used by default language.
265 function db_set_encoding($ui_encoding=null)
267 global $dflt_lang, $installed_languages;
269 if (!isset($ui_encoding))
271 $lang = array_search_value($dflt_lang, $installed_languages, 'code');
272 $ui_encoding = strtoupper($lang['encoding']);
275 if ($mysql_enc = get_mysql_encoding_name($ui_encoding))
276 mysql_set_charset($mysql_enc);
279 function db_get_charset($db)
281 return mysql_client_encoding();
284 function db_set_charset($db, $charset)
286 return mysql_set_charset($charset, $db);