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, $path_to_root, $db_connections;
17 include ($path_to_root . "/config_db.php");
19 $company = $_SESSION["wa_current_user"]->company;
21 cancel_transaction(); // cancel all aborted transactions if any
22 $transaction_level = 0;
24 $_SESSION["wa_current_user"]->cur_con = $company;
26 $connection = $db_connections[$company];
28 $db = mysqli_connect($connection["host"], $connection["dbuser"], $connection["dbpassword"]);
29 mysqli_select_db($db, $connection["dbname"]);
30 ///// From mysqli release 5.6.6 the sql_mode is no longer empty as it was prior to
31 ///// this release. Just for safety we make it empty for all 5.6 release and higher.
32 ///// This non empty sql_mode values can interphere with FA, so all is set empty during
34 ///// We are, however, investigating the existing code to be compatible in the future.
35 if (strncmp(db_get_version(), "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 $comp = isset($_SESSION["wa_current_user"]->cur_con) ? $_SESSION["wa_current_user"]->cur_con : 0;
52 $cur_prefix = $db_connections[$comp]['tbpref'];
53 $sql = str_replace(TB_PREF, $cur_prefix, $sql);
57 $Ajax->activate('footer_debug');
58 $sql_queries .= "<pre>$sql</pre>\n<hr>";
65 $result = mysqli_query($db, $sql);
69 _vd($sql.'<br>:'.db_num_rows($result).'rows, '.get_usec());
73 $db_last_inserted_id = mysqli_insert_id($db); // preserve in case trail insert is done
74 if ($select_trail || (strstr($sql, 'SELECT') === false)) {
75 mysqli_query($db, "INSERT INTO ".$cur_prefix."sql_trail
76 (`sql`, `result`, `msg`)
77 VALUES(".db_escape($sql).",".($result ? 1 : 0).",
78 ".db_escape($err_msg).")");
82 if ($err_msg != null || $go_debug) {
83 $exit = $err_msg != null;
84 if (function_exists('xdebug_call_file'))
85 check_db_error('<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg, $sql, $exit);
87 check_db_error($err_msg, $sql, $exit);
92 function db_fetch_row ($result)
94 $ret = mysqli_fetch_row($result);
95 return ($ret === null ? false : $ret);
98 function db_fetch_assoc ($result)
100 $ret = mysqli_fetch_assoc($result);
101 return ($ret === null ? false : $ret);
104 function db_fetch ($result)
106 $ret = mysqli_fetch_array($result);
107 return ($ret === null ? false : $ret);
110 function db_seek (&$result,$record)
112 return mysqli_data_seek($result, $record);
115 function db_free_result ($result)
118 mysqli_free_result($result);
121 function db_num_rows ($result)
123 return mysqli_num_rows($result);
126 function db_num_fields ($result)
128 return mysqli_num_fields($result);
131 function db_escape($value = "", $nullify = false)
135 $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
136 $value = @htmlspecialchars($value, ENT_QUOTES, $_SESSION['language']->encoding);
138 //reset default if second parameter is skipped
139 $nullify = ($nullify === null) ? (false) : ($nullify);
141 //check for null/unset/empty strings
142 if ((!isset($value)) || (is_null($value)) || ($value === "")) {
143 $value = ($nullify) ? ("NULL") : ("''");
145 if (is_string($value)) {
146 $value = "'" . mysqli_real_escape_string($db, $value) . "'";
147 //value is a string and should be quoted;
148 } else if (!is_numeric($value)) {
149 //value is not a string nor numeric
150 display_error("ERROR: incorrect data type send to sql query");
158 function db_error_no ()
161 return mysqli_errno($db);
164 function db_error_msg($conn)
166 return mysqli_error($conn);
169 function db_insert_id()
171 global $db_last_inserted_id, $sql_trail, $db;
173 return $sql_trail ? $db_last_inserted_id : mysqli_insert_id($db);
176 function db_num_affected_rows()
179 return mysqli_affected_rows($db);
182 function db_field_name($result, $n)
184 $fieldinfo = mysqli_fetch_field_direct($result, $n);
185 return $fieldinfo->name;
188 function db_create_db($connection)
190 $db = mysqli_connect($connection["host"], $connection["dbuser"], $connection["dbpassword"]);
191 if (strncmp(db_get_version(), "5.6", 3) >= 0)
192 db_query("SET sql_mode = ''");
193 if (!mysqli_select_db($db, $connection["dbname"]))
195 $sql = "CREATE DATABASE IF NOT EXISTS " . $connection["dbname"] . "";
196 if (!mysqli_query($db, $sql) || !mysqli_select_db($db, $connection["dbname"]))
202 function db_drop_db($connection)
205 if ($connection["tbpref"] == "")
208 $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
209 return mysqli_query($db, $sql);
213 $res = db_query("show table status");
214 $all_tables = array();
215 while($row = db_fetch($res))
216 $all_tables[] = $row;
217 // get table structures
218 foreach ($all_tables as $table)
220 if (strpos($table['Name'], $connection["tbpref"]) === 0)
221 db_query("DROP TABLE `".$table['Name'] . "`");
223 //deleting the tables, how??
228 function db_close($dbase = null)
234 return mysqli_close($dbase);
237 function db_extension_exists()
239 return function_exists('mysqli_connect');
242 function db_escape_function($string)
246 return (mysqli_real_escape_string($db, $string));
250 Set mysql client encoding.
251 Default is is encoding used by default language.
253 function db_set_encoding($ui_encoding=null)
255 global $db, $dflt_lang, $installed_languages;
257 if (!isset($ui_encoding))
259 $lang = array_search_value($dflt_lang, $installed_languages, 'code');
260 $ui_encoding = strtoupper($lang['encoding']);
263 if ($mysql_enc = get_mysql_encoding_name($ui_encoding))
264 mysqli_set_charset($db, $mysql_enc);
267 function db_get_charset($db)
269 return mysqli_character_set_name($db);
272 function db_set_charset($db, $charset)
276 return mysqli_set_charset($db, $charset);