Schema::getComment

public Schema::getComment($table, $column = NULL)

public function getComment($table, $column = NULL) {
  $info = $this->getPrefixInfo($table);
  // Don't use {} around pg_class, pg_attribute tables.
  if (isset($column)) {
    return $this->connection->query('SELECT col_description(oid, attnum) FROM pg_class, pg_attribute WHERE attrelid = oid AND relname = ? AND attname = ?', array($info['table'], $column))->fetchField();
  }
  else {
    return $this->connection->query('SELECT obj_description(oid, ?) FROM pg_class WHERE relname = ?', array('pg_class', $info['table']))->fetchField();
  }
}