See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
***********************************************************************/
+/*
+ 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' collation for various locale language codes
+*/
+function get_mysql_collation($lang=null)
+{
+ if (!$lang)
+ $lang = substr($_SESSION['language']->code, 0, 2);
+
+ $db_collation = array(
+ 'is' => 'icelandic',
+ 'lv' => 'latvian',
+ 'ro' => 'romanian',
+ 'sl' => 'slovenian',
+ 'pl' => 'polish',
+ 'et' => 'estonian',
+ 'es' => 'spanish', // or 'spanish2',
+ 'sw' => 'swedish',
+ 'tr' => 'turkish',
+ 'cs' => 'czech',
+ 'da' => 'danish',
+ 'lt' => 'lithuanian',
+ 'sk' => 'slovak',
+ 'sp' => 'spanish2',
+ 'fa' => 'persian',
+ 'hu' => 'hungarian',
+ 'fr' => 'roman',
+ 'it' => 'roman',
+ );
+
+ return 'utf8_'.(isset($db_collation[$lang]) ? $db_collation[$lang] : 'general').'_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_charset()
+{
+ $result = db_query("SELECT @@character_set_database");
+ $var = db_fetch($result);
+ return $var[0];
+}
+
+/*
+ Set mysql client encoding.
+ Default is is encoding used by default language.
+*/
+function db_set_encoding($ui_encoding=null)
+{
+ global $dflt_lang, $installed_languages;
+
+ if (!isset($ui_encoding))
+ {
+ $lang = array_search_value($dflt_lang, $installed_languages, 'code');
+ $ui_encoding = strtoupper($lang['encoding']);
+ }
+
+ if ($mysql_enc = get_mysql_encoding_name($ui_encoding))
+ mysql_set_charset($mysql_enc);
+}
+
+/*
+ Connects application to company database.
+*/
function set_global_connection($company=-1)
{
- global $db, $transaction_level, $db_connections;
+ global $db, $transaction_level, $path_to_root;
+ global $db_connections;
+
+ include ($path_to_root . "/config_db.php");
+ if ($company == -1)
+ $company = $_SESSION["wa_current_user"]->company ? $_SESSION["wa_current_user"]->company : 0;
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;
+ $db_connections, $db_last_inserted_id;
// set current db prefix
- $cur_prefix = $db_connections[$_SESSION["wa_current_user"]->cur_con]['tbpref'];
+ $comp = isset($_SESSION["wa_current_user"]->cur_con) ? $_SESSION["wa_current_user"]->cur_con : 0;
+ $cur_prefix = $db_connections[$comp]['tbpref'];
$sql = str_replace(TB_PREF, $cur_prefix, $sql);
if ($show_sql)
$sql_queries .= "<pre>$sql</pre>\n<hr>";
}
- $result = mysql_query($sql, $db);
+ // mysql profiling
+ global $profile_sql;
+ if (@$profile_sql) get_usec();
+ $result = mysql_query($sql, $db);
+ if (@$profile_sql)
+ {
+ $profile_sql= false;
+ _vd($sql.'<br>:'.db_num_rows($result).'rows, '.get_usec());
+ }
+
if($sql_trail) {
+ $db_last_inserted_id = mysql_insert_id($db); // preserve in case trail insert is done
if ($select_trail || (strstr($sql, 'SELECT') === false)) {
mysql_query(
"INSERT INTO ".$cur_prefix."sql_trail
function db_insert_id()
{
- global $db;
- return mysql_insert_id($db);
+ global $db_last_inserted_id, $sql_trail, $db;
+
+ return $sql_trail ? $db_last_inserted_id : mysql_insert_id($db);
}
function db_num_affected_rows()
$connection["dbuser"], $connection["dbpassword"]);
if (!mysql_select_db($connection["dbname"], $db))
{
- $sql = "CREATE DATABASE " . $connection["dbname"] . "";
+ $sql = "CREATE DATABASE IF NOT EXISTS " . $connection["dbname"] . " COLLATE ".get_mysql_collation();
+
if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db))
return 0;
}
if ($connection["tbpref"] == "")
{
- $sql = "DROP DATABASE " . $connection["dbname"] . "";
+ $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . "";
return mysql_query($sql);
}
else
}
}
-?>
\ No newline at end of file
+function db_close($dbase = null)
+{
+ global $db;
+
+ if (!$dbase)
+ $dbase = $db;
+ return mysql_close($dbase);
+}