Index Store

class llama_index.storage.index_store.FirestoreKVStore(project: Optional[str] = None, database: str = '(default)')

Firestore Key-Value store.

Parameters

• project (str) – The project which the client acts on behalf of.

• database (str) – The database name that the client targets.

delete(key: str, collection: str = 'data') → bool

Delete a value from the Firestore. :param key: key :type key: str :param collection: collection name :type collection: str

get(key: str, collection: str = 'data') → Optional[dict]

Get a key-value pair from the Firestore. :param key: key :type key: str :param collection: collection name :type collection: str

get_all(collection: str = 'data') → Dict[str, dict]

Get all values from the Firestore collection. :param collection: collection name :type collection: str

put(key: str, val: dict, collection: str = 'data') → None

Put a key-value pair into the Firestore collection. :param key: key :type key: str :param val: value :type val: dict :param collection: collection name :type collection: str

class llama_index.storage.index_store.KVIndexStore(kvstore: BaseKVStore, namespace: Optional[str] = None)

Key-Value Index store.

Parameters

• kvstore (BaseKVStore) – key-value store

• namespace (str) – namespace for the index store

add_index_struct(index_struct: IndexStruct) → None

Add an index struct.

Parameters

index_struct (IndexStruct) – index struct

delete_index_struct(key: str) → None

Delete an index struct.

Parameters

key (str) – index struct key

get_index_struct(struct_id: Optional[str] = None) → Optional[IndexStruct]

Get an index struct.

Parameters

struct_id (Optional[str]) – index struct id

index_structs() → List[IndexStruct]

Get all index structs.

Returns

index structs

Return type

List[IndexStruct]

persist(persist_path: str = './storage/index_store.json', fs: Optional[AbstractFileSystem] = None) → None

Persist the index store to disk.

class llama_index.storage.index_store.MongoIndexStore(mongo_kvstore: MongoDBKVStore, namespace: Optional[str] = None)

Mongo Index store.

Parameters

• mongo_kvstore (MongoDBKVStore) – MongoDB key-value store

• namespace (str) – namespace for the index store

add_index_struct(index_struct: IndexStruct) → None

Add an index struct.

Parameters

index_struct (IndexStruct) – index struct

delete_index_struct(key: str) → None

Delete an index struct.

Parameters

key (str) – index struct key

classmethod from_host_and_port(host: str, port: int, db_name: Optional[str] = None, namespace: Optional[str] = None) → MongoIndexStore

Load a MongoIndexStore from a MongoDB host and port.

classmethod from_uri(uri: str, db_name: Optional[str] = None, namespace: Optional[str] = None) → MongoIndexStore

Load a MongoIndexStore from a MongoDB URI.

get_index_struct(struct_id: Optional[str] = None) → Optional[IndexStruct]

Get an index struct.

Parameters

struct_id (Optional[str]) – index struct id

index_structs() → List[IndexStruct]

Get all index structs.

Returns

index structs

Return type

List[IndexStruct]

persist(persist_path: str = './storage/index_store.json', fs: Optional[AbstractFileSystem] = None) → None

Persist the index store to disk.

class llama_index.storage.index_store.RedisIndexStore(redis_kvstore: RedisKVStore, namespace: Optional[str] = None)

Redis Index store.

Parameters

• redis_kvstore (RedisKVStore) – Redis key-value store

• namespace (str) – namespace for the index store

add_index_struct(index_struct: IndexStruct) → None

Add an index struct.

Parameters

index_struct (IndexStruct) – index struct

delete_index_struct(key: str) → None

Delete an index struct.

Parameters

key (str) – index struct key

classmethod from_host_and_port(host: str, port: int, namespace: Optional[str] = None) → RedisIndexStore

Load a RedisIndexStore from a Redis host and port.

classmethod from_redis_client(redis_client: Any, namespace: Optional[str] = None) → RedisIndexStore

Load a RedisIndexStore from a Redis Client.

get_index_struct(struct_id: Optional[str] = None) → Optional[IndexStruct]

Get an index struct.

Parameters

struct_id (Optional[str]) – index struct id

index_structs() → List[IndexStruct]

Get all index structs.

Returns

index structs

Return type

List[IndexStruct]

persist(persist_path: str = './storage/index_store.json', fs: Optional[AbstractFileSystem] = None) → None

Persist the index store to disk.

class llama_index.storage.index_store.SimpleIndexStore(simple_kvstore: Optional[SimpleKVStore] = None)

Simple in-memory Index store.

Parameters

simple_kvstore (SimpleKVStore) – simple key-value store

add_index_struct(index_struct: IndexStruct) → None

Add an index struct.

Parameters

index_struct (IndexStruct) – index struct

delete_index_struct(key: str) → None

Delete an index struct.

Parameters

key (str) – index struct key

classmethod from_persist_dir(persist_dir: str = './storage', fs: Optional[AbstractFileSystem] = None) → SimpleIndexStore

Create a SimpleIndexStore from a persist directory.

classmethod from_persist_path(persist_path: str, fs: Optional[AbstractFileSystem] = None) → SimpleIndexStore

Create a SimpleIndexStore from a persist path.

get_index_struct(struct_id: Optional[str] = None) → Optional[IndexStruct]

Get an index struct.

Parameters

struct_id (Optional[str]) – index struct id

index_structs() → List[IndexStruct]

Get all index structs.

Returns

index structs

Return type

List[IndexStruct]

persist(persist_path: str = './storage/index_store.json', fs: Optional[AbstractFileSystem] = None) → None

Persist the store.