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fixed invalid array indexes for min/max output

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This commit is contained in:
Steffen Vogel 2011-03-02 01:17:20 +01:00
parent 102716aa68
commit d4c296ca34
1 changed files with 2 additions and 2 deletions
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4
lib/Interpreter/SensorInterpreter.php
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@ -57,7 +57,7 @@ class SensorInterpreter extends Interpreter {
* @return array (0 => timestamp, 1 => value)
*/
public function getMin() {
$min = $this->conn->fetchAssoc('SELECT value, timestamp FROM data WHERE channel_id = ?' . parent::buildDateTimeFilterSQL($this->from, $this->to) . ' ORDER BY value ASC LIMIT 1', array($this->channel->getId()));
$min = $this->conn->fetchArray('SELECT timestamp, value FROM data WHERE channel_id = ?' . parent::buildDateTimeFilterSQL($this->from, $this->to) . ' ORDER BY value ASC LIMIT 1', array($this->channel->getId()));
return ($min) ? array_map('floatval', $min) : NULL;
}
@ -67,7 +67,7 @@ class SensorInterpreter extends Interpreter {
* @return array (0 => timestamp, 1 => value)
*/
public function getMax() {
$max = $this->conn->fetchAssoc('SELECT value, timestamp FROM data WHERE channel_id = ?' . parent::buildDateTimeFilterSQL($this->from, $this->to) . ' ORDER BY value DESC LIMIT 1', array($this->channel->getId()));
$max = $this->conn->fetchArray('SELECT timestamp, value FROM data WHERE channel_id = ?' . parent::buildDateTimeFilterSQL($this->from, $this->to) . ' ORDER BY value DESC LIMIT 1', array($this->channel->getId()));
return ($max) ? array_map('floatval', $max) : NULL;
}