def _Count(self, node):
if node.getType() != ExpressionParser.NAME:
raise _ExpressionError(
'The argument to count() must be a simple field name')
if self._is_sort_expression:
raise query_parser.QueryException(
'Failed to parse sort expression \'count(' + node.getText() +
')\': count() is not supported in sort expressions')
return search_util.GetFieldCountInDocument(
self._doc_pb, query_parser.GetQueryNodeText(node))
def ValidateQuery(query):
parser_return = query_parser.Parse(six.text_type(query, 'utf-8'))
if parser_return.tree and parser_return.tree.getType() is QueryParser.EMPTY:
raise query_parser.QueryException('Empty query.')