Function _parse_operation

language/xsp/data_preprocessing/sql_parsing.py:568–585

Parse the part relative to an Operation in the SQL query.

(sql, example, anonymize_values)

def _parse_operation(sql, example, anonymize_values):
  """Parse the part relative to an Operation in the SQL query."""
  successful_copy = True
  for item in sql:
    if item.ttype == sqlparse.tokens.Text.Whitespace:
      continue
    if _is_identifier(item):
      successful_copy = _parse_identifier(item, example,
                                          anonymize_values) and successful_copy
      continue
    if _is_operator(item):
      _add_simple_step(item, example)
      continue

    _debug_sql_item(item)
    raise ParseError('Incomplete _parse_operation')

  return successful_copy


def _parse_identifier_list(sql, example, anonymize_values):