Summary of entries of Classes for langchain-google-alloydb-pg.
Classes
AlloyDBChatMessageHistory
Chat message history stored in an AlloyDB for PostgreSQL database.
AlloyDBEngine
A class for managing connections to a AlloyDB database.
Column
Column(name: 'str', data_type: 'str', nullable: 'bool' = True)
BaseIndex
BaseIndex(name: Optional[str] = None, index_type: str = 'base', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
DistanceStrategy
Enumerator of the Distance strategies.
ExactNearestNeighbor
ExactNearestNeighbor(name: Optional[str] = None, index_type: str = 'exactnearestneighbor', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
HNSWIndex
HNSWIndex(name: Optional[str] = None, index_type: str = 'hnsw', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
HNSWQueryOptions
HNSWQueryOptions(ef_search: int = 40)
IVFFlatIndex
IVFFlatIndex(name: Optional[str] = None, index_type: str = 'ivfflat', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
IVFFlatQueryOptions
IVFFlatQueryOptions(probes: int = 1)
IVFIndex
IVFIndex(name: Optional[str] = None, index_type: str = 'ivf', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
IVFQueryOptions
IVFQueryOptions(probes: int = 1)
QueryOptions
API documentation for indexes.QueryOptions class.
ScaNNIndex
ScaNNIndex(name: Optional[str] = None, index_type: str = 'ScaNN', distance_strategy: langchain_google_alloydb_pg.indexes.DistanceStrategy =
ScaNNQueryOptions
ScaNNQueryOptions(num_leaves_to_search: int = 1, pre_reordering_num_neighbors: int = -1)
StrategyMixin
API documentation for indexes.StrategyMixin class.
AlloyDBDocumentSaver
A class for saving langchain documents into a PostgreSQL database table.
AlloyDBLoader
Load documents from AlloyDB`.
Each document represents one row of the result. The content_columns are
written into the content_columns of the document. The metadata_columns are written
into the metadata_columns of the document. By default, first columns is written into
the page_content and everything else into the metadata.
AlloyDBVectorStore
Google AlloyDB Vector Store class
Modules
chat_message_history
API documentation for chat_message_history module.
engine
API documentation for engine module.
indexes
API documentation for indexes module.
loader
API documentation for loader module.
vectorstore
API documentation for vectorstore module.