RedisTranslator#

class langchain_community.query_constructors.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:

RedisTranslator

visit_comparison(comparison: Comparison) → RedisFilterExpression[source]#

Translate a Comparison.

Parameters:

comparison (Comparison) – Comparison to translate.

Return type:

RedisFilterExpression

visit_operation(operation: Operation) → Any[source]#

Translate an Operation.

Parameters:

operation (Operation) – Operation to translate.

Return type:

Any

visit_structured_query(structured_query: StructuredQuery) → Tuple[str, dict][source]#

Translate a StructuredQuery.

Parameters:

structured_query (StructuredQuery) – StructuredQuery to translate.

Return type:

Tuple[str, dict]