function Insert::__toString

Overrides Insert::__toString

File

core/lib/Drupal/Core/Database/Driver/mysql/Insert.php, line 40

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;
}