X-Git-Url: https://delta.frontaccounting.com/gitweb/?a=blobdiff_plain;f=includes%2Fdb%2Fconnect_db.inc;h=ec9e3816fa9d05323df237ad206efb2f9e65a81b;hb=53d942f2a0d20cce5e9c409c6485867ce0869e4d;hp=181651ffdeed9f9169deb37deea7da0384c78c22;hpb=a5242af68e65661edb7175412444dce536a7f311;p=fa-stable.git diff --git a/includes/db/connect_db.inc b/includes/db/connect_db.inc index 181651ff..ec9e3816 100644 --- a/includes/db/connect_db.inc +++ b/includes/db/connect_db.inc @@ -9,53 +9,186 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License here . ***********************************************************************/ -set_global_connection(); -function set_global_connection() +/* + Converts encoding name to mysql standard. +*/ +function get_mysql_encoding_name($encoding) { - global $db; + $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); - if (isset($_SESSION["wa_current_user"]) && $_SESSION["wa_current_user"]->company !='') - $db = $_SESSION["wa_current_user"]->get_db_connection(); - else - $db = null; + return isset($db_encoding[$encoding]) ? $db_encoding[$encoding] : null; } -$db_duplicate_error_code = 1062; +/* + Returns 'best' collation for various locale language codes +*/ +function get_mysql_collation($lang=null) +{ + if (!$lang) + $lang = substr($_SESSION['language']->code, 0, 2); -//DB wrapper functions to change only once for whole application + $db_collation = array( + 'is' => 'icelandic', + 'lv' => 'latvian', + 'ro' => 'romanian', + 'sl' => 'slovenian', + 'pl' => 'polish', + 'et' => 'estonian', + 'es' => 'spanish', // or 'spanish2', + 'sw' => 'swedish', + 'tr' => 'turkish', + 'cs' => 'czech', + 'da' => 'danish', + 'lt' => 'lithuanian', + 'sk' => 'slovak', + 'sp' => 'spanish2', + 'fa' => 'persian', + 'hu' => 'hungarian', + 'fr' => 'roman', + 'it' => 'roman', + ); + + return 'utf8_'.(isset($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, $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; + + $_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; function db_query($sql, $err_msg=null) { - global $db, $show_sql, $sql_trail, $select_trail; + global $db, $show_sql, $sql_trail, $select_trail, $go_debug, $sql_queries, $Ajax, + $db_connections, $db_last_inserted_id; + + // set current db prefix + $comp = isset($_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); - //echo "
$sql
"; if ($show_sql) { - echo "SQL.."; - echo "
";
-		echo $sql;
-		echo "
\n"; + $Ajax->activate('footer_debug'); + $sql_queries .= "
$sql
\n
"; + } + + // mysql profiling + global $profile_sql; + if (@$profile_sql) get_usec(); + $result = mysql_query($sql, $db); + if (@$profile_sql) + { + $profile_sql= false; + _vd($sql.'
:'.db_num_rows($result).'rows, '.get_usec()); } - - $result = mysql_query($sql, $db); if($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 ".TB_PREF."sql_trail + "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) - if (function_exists('xdebug_call_file')) - check_db_error('
At file '.xdebug_call_file().':'.xdebug_call_line().':
'.$err_msg, $sql); - else - check_db_error($err_msg, $sql); - + if ($err_msg != null || $go_debug) { + $exit = $err_msg != null; + if (function_exists('xdebug_call_file')) + check_db_error('
At file '.xdebug_call_file().':'.xdebug_call_line().':
'.$err_msg, $sql, $exit); + else + check_db_error($err_msg, $sql, $exit); + } return $result; } @@ -88,7 +221,7 @@ function db_free_result ($result) mysql_free_result($result); } -function db_num_rows (&$result) +function db_num_rows ($result) { return mysql_num_rows($result); } @@ -100,7 +233,8 @@ function db_num_fields ($result) function db_escape($value = "", $nullify = false) { - $value = @htmlspecialchars($value, ENT_COMPAT, $_SESSION['language']->encoding); + $value = @html_entity_decode($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) : ($nullify); @@ -139,8 +273,9 @@ function db_error_msg($conn) 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() @@ -149,4 +284,55 @@ function db_num_affected_rows() 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 IF NOT EXISTS " . $connection["dbname"] . " COLLATE ".get_mysql_collation(); + + if (!mysql_query($sql) || !mysql_select_db($connection["dbname"], $db)) + return 0; + } + return $db; +} + +function db_drop_db($connection) +{ + + if ($connection["tbpref"] == "") + { + $sql = "DROP DATABASE IF EXISTS " . $connection["dbname"] . ""; + return mysql_query($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); +}