Initial commit

lotgd-web/lotgd/lib/dbwrapper_mysqli_proc.php

@@ -0,0 +1,203 @@
+<?php
+// addnews ready
+// translator ready
+// mail ready
+
+function db_query($sql, $die=true){
+ 	if (defined("DB_NODB") && !defined("LINK")) return array();
+	global $session,$dbinfo,$mysqli_resource;
+	$dbinfo['queriesthishit']++;
+	// $fname = DBTYPE."_query";
+	$starttime = getmicrotime();
+	//$r = $fname($sql);
+	$r = mysqli_Query($mysqli_resource, $sql);
+
+	if (!$r && $die === true) {
+	 	if (defined("IS_INSTALLER")){
+	 		return array();
+		}else{
+			if ($session['user']['superuser'] & SU_DEVELOPER || 1){
+				require_once("lib/show_backtrace.php");
+				die(
+					"<pre>".HTMLEntities($sql, ENT_COMPAT, getsetting("charset", "ISO-8859-1"))."</pre>"
+					.db_error(LINK)
+					.show_backtrace()
+					);
+			}else{
+				die("A most bogus error has occurred.  I apologise, but the page you were trying to access is broken.  Please use your browser's back button and try again.");
+			}
+		}
+	}
+	$endtime = getmicrotime();
+	if ($endtime - $starttime >= 1.00 && ($session['user']['superuser'] & SU_DEBUG_OUTPUT)){
+		$s = trim($sql);
+		if (strlen($s) > 800) $s = substr($s,0,400)." ... ".substr($s,strlen($s)-400);
+		debug("Slow Query (".round($endtime-$starttime,2)."s): ".(HTMLEntities($s, ENT_COMPAT, getsetting("charset", "ISO-8859-1")))."`n");
+	}
+	unset($dbinfo['affected_rows']);
+	$dbinfo['affected_rows']=db_affected_rows();
+	$dbinfo['querytime'] += $endtime-$starttime;
+	return $r;
+}
+
+//& at the start returns a reference to the data array.
+//since it's possible this array is large, we'll save ourselves
+//the overhead of duplicating the array, then destroying the old
+//one by returning a reference instead.
+function &db_query_cached($sql,$name,$duration=900){
+	//this function takes advantage of the data caching library to make
+	//all of the other db_functions act just like MySQL queries but rely
+	//instead on disk cached data.
+	//if (getsetting("usedatacache", 0) == 1) debug("DataCache: $name");
+	//standard is 15 minutes, als hooks don't need to be cached *that* often, normally you invalidate the cache properly
+	global $dbinfo;
+	$data = datacache($name,$duration);
+	if (is_array($data)){
+		reset($data);
+		$dbinfo['affected_rows']=-1;
+		return $data;
+	}else{
+		$result = db_query($sql);
+		$data = array();
+		while ($row = db_fetch_assoc($result)) {
+			$data[] = $row;
+		}
+		updatedatacache($name,$data);
+		reset($data);
+		return $data;
+	}
+}
+
+if (file_exists("lib/dbremote.php")) {
+	require_once("lib/dbremote.php");
+}
+
+function db_error(){
+	global $mysqli_resource;
+
+	$r = mysqli_error($mysqli_resource);
+ 	if ($r=="" && defined("DB_NODB") && !defined("DB_INSTALLER_STAGE4")) return "The database connection was never established";
+	return $r;
+}
+
+function db_fetch_assoc(&$result){
+	if (is_array($result)){
+		//cached data
+		if (list($key,$val)=each($result))
+			return $val;
+		else
+			return false;
+	}else{
+		$r = mysqli_fetch_assoc($result);
+		return $r;
+	}
+}
+
+function db_insert_id(){
+  global $mysqli_resource;
+ 	if (defined("DB_NODB") && !defined("LINK")) return -1;
+	$r = mysqli_insert_id($mysqli_resource);
+	return $r;
+}
+
+function db_num_rows($result){
+	if (is_array($result)){
+		return count($result);
+	}else{
+	 	if (defined("DB_NODB") && !defined("LINK")) return 0;
+	 	$r = mysqli_num_rows($result);
+		return $r;
+	}
+}
+
+function db_affected_rows($link=false){
+	global $dbinfo, $mysqli_resource;
+	if (isset($dbinfo['affected_rows'])) {
+		return $dbinfo['affected_rows'];
+	}
+ 	if (defined("DB_NODB") && !defined("LINK")) return 0;
+
+ 	$r = mysqli_affected_rows($mysqli_resource);
+
+	return $r;
+}
+
+function db_pconnect($host,$user,$pass){
+  global $mysqli_resource;
+
+	$mysqli_resource = mysqli_connect($host, $user, $pass);
+
+	if($mysqli_resource) {
+	  return true;
+	}
+	else {
+	  return false;
+	}
+}
+
+function db_connect($host,$user,$pass){
+	global $mysqli_resource;
+
+	$mysqli_resource = mysqli_connect($host, $user, $pass);
+
+	if($mysqli_resource) {
+	  return true;
+	}
+	else {
+	  return false;
+	}
+}
+
+function db_get_server_version() {
+	global $mysqli_resource;
+	return mysqli_get_server_info($mysqli_resource);
+}
+
+function db_select_db($dbname){
+	global $mysqli_resource;
+	$r = mysqli_select_db($mysqli_resource, $dbname);
+	return $r;
+}
+
+function db_free_result($result){
+	if (is_array($result)){
+		//cached data
+		unset($result);
+	}else{
+	 	if (defined("DB_NODB") && !defined("LINK")) return false;
+		mysqli_free_result($result);
+		return true;
+	}
+}
+
+function db_table_exists($tablename){
+  global $mysqli_resource;
+ 	if (defined("DB_NODB") && !defined("LINK")) return false;
+	$exists = $mysqli_resource->Query("SELECT 1 FROM `$tablename` LIMIT 0");
+	if ($exists) return true;
+	return false;
+}
+
+function db_prefix($tablename, $force=false) {
+	global $DB_PREFIX;
+
+	if ($force === false) {
+		$special_prefixes = array();
+
+		// The following file should be used to override or modify the
+		// special_prefixes array to be correct for your site.  Do NOT
+		// do this unles you know EXACTLY what this means to you, your
+		// game, your county, your state, your nation, your planet and
+		// your universe!
+		if (file_exists("prefixes.php")) require_once("prefixes.php");
+
+		$prefix = $DB_PREFIX;
+		if (isset($special_prefixes[$tablename])) {
+			$prefix = $special_prefixes[$tablename];
+		}
+	} else {
+		$prefix = $force;
+	}
+	return $prefix . $tablename;
+}
+?>