MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
-
-function set_global_connection($company=-1)
-{
- global $db, $transaction_level, $db_connections;
-
- cancel_transaction(); // cancel all aborted transactions if any
- $transaction_level = 0;
-
- if ($company == -1)
- $company = $_SESSION["wa_current_user"]->company;
-
- $_SESSION["wa_current_user"]->cur_con = $company;
-
- $connection = $db_connections[$company];
-
- $db = mysql_connect($connection["host"], $connection["dbuser"], $connection["dbpassword"]);
- mysql_select_db($connection["dbname"], $db);
- return $db;
-}
-
-$db_duplicate_error_code = 1062;
-
-//DB wrapper functions to change only once for whole application
-
-function db_query($sql, $err_msg=null)
-{
- global $db, $show_sql, $sql_trail, $select_trail, $go_debug, $sql_queries, $Ajax,
- $db_connections;
-
- // set current db prefix
- $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
- $sql = str_replace(TB_PREF, $cur_prefix, $sql);
-
- if ($show_sql)
+//$path_to_root="..";
+define('MAX_DEADLOCK_RETRY', 3);
+
+if (function_exists('mysqli_connect'))
+ include_once("connect_db_mysqli.inc");
+else
+ include_once("connect_db_mysql.inc"); // use deprecated mysql_* API as fallback on old servers
+
+function db_get_version()
+{
+ $result = db_query("SELECT VERSION()");
+ $row = db_fetch($result);
+ return $row[0];
+}
+
+/*
+ Converts encoding name to mysql standard.
+*/
+function get_mysql_encoding_name($encoding)
+{
+ $db_encoding = array(
+ 'UTF-8' => 'utf8',
+ 'ISO-8859-1' => 'latin1',
+ 'ISO-8859-2' => 'latin2',
+ 'ISO-8859-7' => 'greek',
+ 'ISO-8859-8' => 'hebrew',
+ 'ISO-8859-9' => 'latin5',
+ 'ISO-8859-13' => 'latin7',
+ 'KOI8-R' => 'koi8r',
+ 'KOI8-U' => 'koi8u',
+ 'CP850' => 'cp850',
+ 'CP866' => 'cp866',
+ 'CP932' => 'cp932',
+ 'CP1250' => 'cp1250',
+ 'CP1251' => 'cp1251',
+ 'CP1252' => 'latin1',
+ 'CP1256' => 'cp1256',
+ 'CP1257' => 'cp1257',
+ 'GB2312' => 'gb2312',
+ 'EUC-JP' => 'ujis',
+ 'EUC-KR' => 'euckr',
+ 'BIG5' => 'big5',
+ 'GBK' => 'gbk',
+ 'SHIFT_JIS' => 'sjis',
+ 'TIS-620' => 'tis620',
+ 'ASCII' => 'ascii',
+ );
+ $encoding = strtoupper($encoding);
+
+ return isset($db_encoding[$encoding]) ? $db_encoding[$encoding] : null;
+}
+
+/*
+ Returns 'best' mysql collation for various FA backend language codes.
+*/
+function get_mysql_collation($lang=null)
+{
+ if (!$lang)
+ $lang = 'utf8_'.substr($_SESSION['language']->code, 0, 2);
+
+ $db_collation = array(
+ 'utf8_is' => 'utf8_icelandic_ci',
+ 'utf8_lv' => 'utf8_latvian_ci',
+ 'utf8_ro' => 'utf8_romanian_ci',
+ 'utf8_sl' => 'utf8_slovenian_ci',
+ 'utf8_pl' => 'utf8_polish_ci',
+ 'utf8_et' => 'utf8_estonian_ci',
+ 'utf8_es' => 'utf8_spanish_ci', // or 'spanish2',
+ 'utf8_sw' => 'utf8_swedish_ci',
+ 'utf8_tr' => 'utf8_turkish_ci',
+ 'utf8_cs' => 'utf8_czech_ci',
+ 'utf8_da' => 'utf8_danish_ci',
+ 'utf8_lt' => 'utf8_lithuanian_ci',
+ 'utf8_sk' => 'utf8_slovak_ci',
+ 'utf8_sp' => 'utf8_spanish2_ci',
+ 'utf8_fa' => 'utf8_persian_ci',
+ 'utf8_hu' => 'utf8_hungarian_ci',
+ 'utf8_fr' => 'utf8_roman_ci',
+ 'utf8_it' => 'utf8_roman_ci',
+ );
+
+ return isset($db_collation[$lang]) ? $db_collation[$lang] : 'utf8_unicode_ci';
+}
+
+/*
+ Later we assume that database with version less than 2.4 is old database,
+ which is subject to invalid encodings on text columns,
+ so no SET NAMES or equivalent should be used.
+*/
+function db_fixed()
+{
+ $result = db_query("SELECT value FROM ".TB_PREF."sys_prefs WHERE name='version_id'");
+ $data = db_fetch($result);
+ return !db_num_rows($result) // new database is fixed by default
+ || ($data[0] > "2.3rc");
+}
+
+/*
+ Check database default charset.
+*/
+function db_get_default_charset()
+{
+ $result = db_query("SELECT @@character_set_database");
+ $var = db_fetch($result);
+ return $var[0];
+}
+
+function db_get_view_schema($view)
+{
+ global $db;
+ $schema = NULL;
+ $qry = "select view_definition from information_schema.views where table_schema=DATABASE() and table_name='$view'";
+ $res = db_query($qry,'Failed to select view schema');
+ if ($res && db_num_rows($res) == 1) {
+ $row = db_fetch_assoc($res);
+ $schema = $row['view_definition'];
+ }
+ return $schema;
+}
+
+/*
+ SQL db profiling stub
+*/
+if (!function_exists('db_profile'))
+{
+ function db_profile($sql=false)
{
- $Ajax->activate('footer_debug');
- $sql_queries .= "<pre>$sql</pre>\n<hr>";
- }
-
- $result = mysql_query($sql, $db);
- if($sql_trail) {
- if ($select_trail || (strstr($sql, 'SELECT') === false)) {
- mysql_query(
- "INSERT INTO ".$cur_prefix."sql_trail
- (`sql`, `result`, `msg`)
- VALUES(".db_escape($sql).",".($result ? 1 : 0).",
- ".db_escape($err_msg).")", $db);
- }
}
-
- if ($err_msg != null || $go_debug) {
- $exit = $err_msg != null;
- if (function_exists('xdebug_call_file'))
- check_db_error('<br>At file '.xdebug_call_file().':'.xdebug_call_line().':<br>'.$err_msg, $sql, $exit);
- else
- check_db_error($err_msg, $sql, $exit);
- }
- return $result;
-}
-
-function db_fetch_row ($result)
-{
-
- return mysql_fetch_row($result);
-}
-
-function db_fetch_assoc ($result)
-{
-
- return mysql_fetch_assoc($result);
-}
-
-function db_fetch ($result)
-{
-
- return mysql_fetch_array($result);
-}
-
-function db_seek (&$result,$record)
-{
- return mysql_data_seek($result, $record);
-}
-
-function db_free_result ($result)
-{
- if ($result)
- mysql_free_result($result);
}
-
-function db_num_rows ($result)
-{
- return mysql_num_rows($result);
-}
-
-function db_num_fields ($result)
-{
- return mysql_num_fields($result);
-}
-
-function db_escape($value = "", $nullify = false)
-{
- $value = @html_entity_decode($value, ENT_QUOTES, $_SESSION['language']->encoding);
- $value = @htmlspecialchars($value, ENT_QUOTES, $_SESSION['language']->encoding);
-
- //reset default if second parameter is skipped
- $nullify = ($nullify === null) ? (false) : ($nullify);
-
- //check for null/unset/empty strings
- if ((!isset($value)) || (is_null($value)) || ($value === "")) {
- $value = ($nullify) ? ("NULL") : ("''");
- } else {
- if (is_string($value)) {
- //value is a string and should be quoted; determine best method based on available extensions
- if (function_exists('mysql_real_escape_string')) {
- $value = "'" . mysql_real_escape_string($value) . "'";
- } else {
- $value = "'" . mysql_escape_string($value) . "'";
- }
- } else if (!is_numeric($value)) {
- //value is not a string nor numeric
- display_error("ERROR: incorrect data type send to sql query");
- echo '<br><br>';
- exit();
- }
- }
- return $value;
-}
-
-function db_error_no ()
-{
- global $db;
- return mysql_errno($db);
-}
-
-function db_error_msg($conn)
-{
- return mysql_error($conn);
-}
-
-function db_insert_id()
-{
- global $db;
- return mysql_insert_id($db);
-}
-
-function db_num_affected_rows()
-{
- global $db;
- return mysql_affected_rows($db);
-}
-
-function db_field_name($result, $n)
-{
- return mysql_field_name($result, $n);
-}
-
-function db_create_db($connection)
-{
- $db = mysql_connect($connection["host"] ,
- $connection["dbuser"], $connection["dbpassword"]);
- if (!mysql_select_db($connection["dbname"], $db))
- {
- $sql = "CREATE DATABASE " . $connection["dbname"] . "";
- if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
- return 0;
- }
- return $db;
-}
-
-function db_drop_db($connection)
-{
-
- if ($connection["tbpref"] == "")
- {
- $sql = "DROP DATABASE " . $connection["dbname"] . "";
- return mysql_query($sql);
- }
- else
- {
- $res = db_query("show table status");
- $all_tables = array();
- while($row = db_fetch($res))
- $all_tables[] = $row;
- // get table structures
- foreach ($all_tables as $table)
- {
- if (strpos($table['Name'], $connection["tbpref"]) === 0)
- db_query("DROP TABLE `".$table['Name'] . "`");
- }
- //deleting the tables, how??
- return true;
- }
-}
-
-function db_close($dbase = null)
-{
- global $db;
-
- if (!$dbase)
- $dbase = $db;
- return mysql_close($dbase);
-}
-
-?>
\ No newline at end of file