langchain.retrievers.self_query.redis
.RedisTranslator¶
- class langchain.retrievers.self_query.redis.RedisTranslator(schema: RedisModel)[source]¶
Visitor for translating structured queries to Redis filter expressions.
Attributes
allowed_comparators
Subset of allowed logical comparators.
allowed_operators
Subset of allowed logical operators.
Methods
__init__
(schema)from_vectorstore
(vectorstore)visit_comparison
(comparison)Translate a Comparison.
visit_operation
(operation)Translate an Operation.
visit_structured_query
(structured_query)Translate a StructuredQuery.
- Parameters
schema (RedisModel) –
- __init__(schema: RedisModel) None [source]¶
- Parameters
schema (RedisModel) –
- Return type
None
- classmethod from_vectorstore(vectorstore: Redis) RedisTranslator [source]¶
- Parameters
vectorstore (Redis) –
- Return type
- visit_comparison(comparison: Comparison) RedisFilterExpression [source]¶
Translate a Comparison.
- Parameters
comparison (Comparison) –
- Return type
- visit_operation(operation: Operation) Any [source]¶
Translate an Operation.
- Parameters
operation (Operation) –
- Return type
Any
- visit_structured_query(structured_query: StructuredQuery) Tuple[str, dict] [source]¶
Translate a StructuredQuery.
- Parameters
structured_query (StructuredQuery) –
- Return type
Tuple[str, dict]