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<?php |
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namespace Db3v4l\Core\SqlExecutor\Forked; |
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use Db3v4l\API\Interfaces\SqlExecutor\Forked\CommandExecutor; |
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use Db3v4l\API\Interfaces\SqlExecutor\Forked\FileExecutor; |
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use Db3v4l\API\Interfaces\TimedExecutor as TimedExecutorInterface; |
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class TimedExecutor implements CommandExecutor, FileExecutor, TimedExecutorInterface |
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{ |
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/** @var CommandExecutor|FileExecutor */ |
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protected $wrappedExecutor; |
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protected $timingFile; |
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protected $timeCmd = '/usr/bin/time'; |
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/** |
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* @param CommandExecutor|FileExecutor $wrappedExecutor |
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*/ |
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public function __construct($wrappedExecutor) |
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{ |
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$this->wrappedExecutor = $wrappedExecutor; |
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} |
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public function getExecuteStatementProcess($sql) |
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{ |
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$process = $this->wrappedExecutor->getExecuteStatementProcess($sql); |
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// wrap in a `time` call |
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$this->timingFile = tempnam(sys_get_temp_dir(), 'db3v4l_'); |
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$process->setCommandLine( |
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$this->timeCmd . ' ' . escapeshellarg('--output=' . $this->timingFile) . ' ' . escapeshellarg('--format=%M %e') . ' ' |
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. $process->getCommandLine()); |
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return $process; |
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} |
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public function getExecuteFileProcess($sql) |
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{ |
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$process = $this->wrappedExecutor->getExecuteFileProcess($sql); |
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// wrap in a `time` call |
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$this->timingFile = tempnam(sys_get_temp_dir(), 'db3v4l_'); |
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$process->setCommandLine( |
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$this->timeCmd . ' ' . escapeshellarg('--output=' . $this->timingFile) . ' ' . escapeshellarg('--format=%M %e') . ' ' |
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. $process->getCommandLine()); |
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return $process; |
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} |
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public function resultSetToArray($data) |
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{ |
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return $this->wrappedExecutor->resultSetToArray($data); |
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} |
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public function getTimingData($onceIsEnough = true) |
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{ |
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if (!is_file($this->timingFile)) { |
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throw new \Exception("File with timing data gone missing: '{$this->timingFile}'"); |
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} |
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$timingData = file_get_contents($this->timingFile); |
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if ($timingData != '') { |
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$timingData = preg_replace('/Command exited with non-zero status [0-9]+/', '', $timingData); |
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$timingData = explode(' ', trim($timingData), 2); |
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$results['time'] = $timingData[1]; |
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$results['memory'] = $timingData[0]; |
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} else { |
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// happens eg. if `time` command is not available |
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throw new \Exception("File with timing data empty: '{$this->timingFile}'"); |
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} |
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if ($onceIsEnough) { |
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unlink ($this->timingFile); |
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} |
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return $results; |
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} |
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} |
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gggeek /
db-3v4l
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