@OnlyIfDescendedFrom(['insert', 'update', 'delete', 'replace', 'select'])
  def visit_table_spec(self, tokens, table_aliases):
    try:
      self._db_schema.FindTableFromSpec(tokens, table_aliases)
    except schema.UnknownNameException:
      self.AddError(tokens, 'Unknown table: %s' % tokens)
dataset/ETHPy150Open google/mysql-tools/parser_lib/validator.py/ColumnChecker.visit_table_spec/original