public function Upsert::__toString in Drupal 9
Same name in this branch
- 9 core/lib/Drupal/Core/Database/Driver/sqlite/Upsert.php \Drupal\Core\Database\Driver\sqlite\Upsert::__toString()
- 9 core/lib/Drupal/Core/Database/Driver/pgsql/Upsert.php \Drupal\Core\Database\Driver\pgsql\Upsert::__toString()
- 9 core/lib/Drupal/Core/Database/Driver/mysql/Upsert.php \Drupal\Core\Database\Driver\mysql\Upsert::__toString()
- 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Upsert.php \Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses\Upsert::__toString()
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/Database/Driver/mysql/Upsert.php \Drupal\Core\Database\Driver\mysql\Upsert::__toString()
Implements PHP magic __toString method to convert the query to a string.
The toString operation is how we compile a query object to a prepared statement.
Return value
string A prepared statement query string for this object.
Overrides Query::__toString
File
- core/
lib/ Drupal/ Core/ Database/ Driver/ mysql/ Upsert.php, line 15
Class
- Upsert
- MySQL implementation of \Drupal\Core\Database\Query\Upsert.
Namespace
Drupal\Core\Database\Driver\mysqlCode
public function __toString() {
// Create a sanitized comment string to prepend to the query.
$comments = $this->connection
->makeComment($this->comments);
// Default fields are always placed first for consistency.
$insert_fields = array_merge($this->defaultFields, $this->insertFields);
$insert_fields = array_map(function ($field) {
return $this->connection
->escapeField($field);
}, $insert_fields);
$query = $comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES ';
$values = $this
->getInsertPlaceholderFragment($this->insertValues, $this->defaultFields);
$query .= implode(', ', $values);
// Updating the unique / primary key is not necessary.
unset($insert_fields[$this->key]);
$update = [];
foreach ($insert_fields as $field) {
$update[] = "{$field} = VALUES({$field})";
}
$query .= ' ON DUPLICATE KEY UPDATE ' . implode(', ', $update);
return $query;
}