function Insert::__toString

Implements PHP magic __toString method to convert the query to a string.

Return value

string The prepared statement.

Overrides Insert::__toString

File

core/modules/mysql/src/Driver/Database/mysql/Insert.php, line 57

Class

Insert

MySQL implementation of \Drupal\Core\Database\Query\Insert.

Namespace

Code

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);
  }, $insert_fields);
  // If we're selecting from a SelectQuery, finish building the query and
  // pass it back, as any remaining options are irrelevant.
  if (!empty($this->fromQuery)) {
    $insert_fields_string = $insert_fields ? ' (' . implode(', ', $insert_fields) . ') ' : ' ';
    return $comments . 'INSERT INTO {' . $this->table . '}' . $insert_fields_string . $this->fromQuery;
  }
  $query = $comments . 'INSERT INTO {' . $this->table . '} (' . implode(', ', $insert_fields) . ') VALUES ';
  $values = $this->getInsertPlaceholderFragment($this->insertValues, $this->defaultFields);
  $query .= implode(', ', $values);
  return $query;
}