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<?php |
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/** |
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* Phossa Project |
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* |
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* PHP version 5.4 |
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* |
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* @category Library |
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* @package Phossa2\Db |
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* @copyright Copyright (c) 2016 phossa.com |
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* @license http://mit-license.org/ MIT License |
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* @link http://www.phossa.com/ |
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*/ |
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/*# declare(strict_types=1); */ |
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namespace Phossa2\Db; |
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use Phossa2\Shared\Base\ObjectAbstract; |
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use Phossa2\Db\Traits\DriverAwareTrait; |
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use Phossa2\Db\Interfaces\ProfilerInterface; |
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/** |
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* Profiler |
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* |
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* @package Phossa2\Db |
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* @author Hong Zhang <[email protected]> |
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* @see ObjectAbstract |
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* @see ProfilerInterface |
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* @version 2.0.0 |
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* @since 2.0.0 added |
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*/ |
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class Profiler extends ObjectAbstract implements ProfilerInterface |
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{ |
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use DriverAwareTrait; |
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/** |
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* Current executed SQL |
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* |
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* @var string |
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* @access protected |
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*/ |
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protected $sql = ''; |
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/** |
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* Parameters cache |
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* |
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* @var array |
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* @access protected |
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*/ |
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protected $params = []; |
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/** |
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* Execution time |
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* |
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* @var float |
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* @access protected |
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*/ |
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protected $execution_time = 0.0; |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setSql(/*# string */ $sql) |
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{ |
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// init |
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$this->sql = $sql; |
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$this->params = []; |
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$this->execution_time = 0.0; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function setParameters(array $parameters) |
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{ |
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$this->params = $parameters; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getSql()/*# : string */ |
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{ |
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if (!empty($this->params) && $this->hasDriver()) { |
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return $this->replaceParamInSql(); |
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} else { |
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return $this->sql; |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function startWatch() |
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{ |
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$this->execution_time = microtime(true); |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function stopWatch() |
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{ |
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$this->execution_time = microtime(true) - $this->execution_time; |
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return $this; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getExecutionTime()/*# : float */ |
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{ |
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return $this->execution_time; |
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} |
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/** |
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* Replace params in the SQL |
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* |
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* @return string |
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* @access protected |
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*/ |
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protected function replaceParamInSql()/*# : string */ |
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{ |
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$count = 0; |
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$params = $this->params; |
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return preg_replace_callback( |
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'/\?|\:\w+/', function($m) use ($count, $params) { |
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if ('?' === $m[0]) { |
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$res = $params[$count++]; |
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} else { |
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$res = isset($params[$m[0]]) ? $params[$m[0]] : |
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$params[substr($m[0], 1)]; |
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} |
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return $this->getDriver()->quote($res); |
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}, $this->sql); |
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} |
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} |
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phossa2 /
db
