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performance optimizations at the frontend

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git-svn-id: file:///home/jan/tmp/wetterstation/trunk@224 dd492736-c11a-0410-ad51-8c26713eaf7f
This commit is contained in:
losinshi
2007-02-18 15:25:41 +00:00
parent 154280671a
commit 022071a473
8 changed files with 156 additions and 111 deletions
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webstuff/frontend/php_inc/modules/wind.inc.php
+10 -14
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@@ -22,27 +22,23 @@ class Wind{
var $table;
/* Konstruktor */
function Wind($sensId, & $connection){
$this->_fetchWindData($sensId, &$connection);
function Wind($sensId, & $connection, $table){
$this->table = $table;
$this->connection = &$connection;
$this->sensId = $sensId;
$this->_fetchWindData();
}
/* Funktion, die die Klasse mit den Weten initialisiert */
function _fetchWindData($sensId, &$connection){
$this->connection = &$connection;
$this->sensId = $sensId;
function _fetchWindData(){
/* Tabelle des Sensors bestimmen */
$tableQuery = "SELECT tabelle FROM sensoren, typen WHERE sensoren.id=".$sensId." AND typen.typ = sensoren.typ";
$table = $connection->fetchQueryResultLine($tableQuery);
$this->table = $table['tabelle'];
/* Aktuelle Wind bestimmen */
$nowQuery = "SELECT geschw as wind, richt as dir, to_char(timestamp, 'DD.MM.YYYY HH24:MI') as text_timestamp FROM ".$table['tabelle']." WHERE sens_id=".$sensId." ORDER BY timestamp DESC LIMIT 1";
$nowData = $connection->fetchQueryResultLine($nowQuery);
$nowQuery = "SELECT geschw as wind, richt as dir, to_char(timestamp, 'DD.MM.YYYY HH24:MI') as text_timestamp FROM ".$this->table." WHERE sens_id=".$this->sensId." ORDER BY timestamp DESC LIMIT 1";
$nowData = $this->connection->fetchQueryResultLine($nowQuery);
/* Max und Min-Werte bestimmen */
$maxQuery = "SELECT geschw as wind, richt as dir, to_char(timestamp, 'DD.MM.YYYY HH24:MI') as text_timestamp FROM ".$table['tabelle']." WHERE sens_id=".$sensId." AND geschw=(SELECT max(geschw) FROM ".$table['tabelle']." WHERE sens_id=".$sensId.") ORDER BY timestamp DESC LIMIT 1";
$maxData = $connection->fetchQueryResultLine($maxQuery);
$maxQuery = "SELECT geschw as wind, richt as dir, to_char(timestamp, 'DD.MM.YYYY HH24:MI') as text_timestamp FROM ".$this->table." WHERE sens_id=".$this->sensId." AND geschw=(SELECT max(geschw) FROM ".$this->table." WHERE sens_id=".$this->sensId.") ORDER BY timestamp DESC LIMIT 1";
$maxData = $this->connection->fetchQueryResultLine($maxQuery);
/* Bestimmte Werte den Klassenvariablen zuordnen */
$this->nowWind = $nowData['wind'];