public function Log::start in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/Database/Log.php \Drupal\Core\Database\Log::start()
2. 10 core/lib/Drupal/Core/Database/Log.php \Drupal\Core\Database\Log::start()

Begin logging queries to the specified connection and logging key.

If the specified logging key is already running this method does nothing.

Parameters

$logging_key: The identification key for this log request. By specifying different logging keys we are able to start and stop multiple logging runs simultaneously without them colliding.

File

core/lib/Drupal/Core/Database/Log.php, line 61

Class

Log

Database query logger.

Namespace

Drupal\Core\Database

Code

public function start($logging_key) {
  if (empty($this->queryLog[$logging_key])) {
    $this
      ->clear($logging_key);
  }
}