Phpmig\Adapter\PDO\SqlPgsql::createSchema PHP Метод

    public function createSchema()
    {
        $sql = sprintf("SELECT COUNT(*) FROM {$this->quote}information_schema{$this->quote}.{$this->quote}schemata{$this->quote} WHERE schema_name = '%s';", $this->schemaName);
        $res = $this->connection->query($sql);
        if (!$res || !$res->fetchColumn()) {
            $sql = sprintf("CREATE SCHEMA %s;", $this->schemaName);
            if (FALSE === $this->connection->exec($sql)) {
                $e = $this->connection->errorInfo();
            }
        }
        $sql = "CREATE table {$this->quotedTableName()} (version %s NOT NULL, {$this->quote}migrate_date{$this->quote} timestamp(6) WITH TIME ZONE DEFAULT now())";
        $driver = $this->connection->getAttribute(PDO::ATTR_DRIVER_NAME);
        $sql = sprintf($sql, in_array($driver, array('mysql', 'pgsql')) ? 'VARCHAR(255)' : '');
        if (FALSE === $this->connection->exec($sql)) {
            $e = $this->connection->errorInfo();
        }
        return $this;
    }