langchain.chains.query_constructor.parser.get_parser¶
- langchain.chains.query_constructor.parser.get_parser(allowed_comparators: Optional[Sequence[Comparator]] = None, allowed_operators: Optional[Sequence[Operator]] = None, allowed_attributes: Optional[Sequence[str]] = None) object[source]¶
- Returns a parser for the query language. - Parameters
- allowed_comparators – Optional[Sequence[Comparator]] 
- allowed_operators – Optional[Sequence[Operator]] 
 
- Returns
- Lark parser for the query language.