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Postgres

基类: KVIndexStore

Postgres 索引存储。

参数

名称

类型 描述 默认值 postgres_kvstore
PostgresKVStore Postgres 键值存储

必填

 namespace
str 索引存储的命名空间

源代码位于 llama-index-integrations/storage/index_store/llama-index-storage-index-store-postgres/llama_index/storage/index_store/postgres/base.py

 工作流运行检查点
from_uri classmethod # 
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class PostgresIndexStore(KVIndexStore):
    """
    Postgres Index store.

    Args:
        postgres_kvstore (PostgresKVStore): Postgres key-value store
        namespace (str): namespace for the index store

    """

    def __init__(
        self,
        postgres_kvstore: PostgresKVStore,
        namespace: Optional[str] = None,
        collection_suffix: Optional[str] = None,
    ) -> None:
        """Init a PostgresIndexStore."""
        super().__init__(
            postgres_kvstore, namespace=namespace, collection_suffix=collection_suffix
        )

    @classmethod
    def from_uri(
        cls,
        uri: str,
        namespace: Optional[str] = None,
        table_name: str = "indexstore",
        schema_name: str = "public",
        perform_setup: bool = True,
        debug: bool = False,
        use_jsonb: bool = False,
        collection_suffix: Optional[str] = None,
    ) -> "PostgresIndexStore":
        """Load a PostgresIndexStore from a PostgresURI."""
        postgres_kvstore = PostgresKVStore.from_uri(
            uri=uri,
            table_name=table_name,
            schema_name=schema_name,
            perform_setup=perform_setup,
            debug=debug,
            use_jsonb=use_jsonb,
        )
        return cls(postgres_kvstore, namespace, collection_suffix)

    @classmethod
    def from_params(
        cls,
        host: Optional[str] = None,
        port: Optional[str] = None,
        database: Optional[str] = None,
        user: Optional[str] = None,
        password: Optional[str] = None,
        namespace: Optional[str] = None,
        table_name: str = "indexstore",
        schema_name: str = "public",
        perform_setup: bool = True,
        debug: bool = False,
        use_jsonb: bool = False,
        collection_suffix: Optional[str] = None,
    ) -> "PostgresIndexStore":
        """Load a PostgresIndexStore from a Postgres host and port."""
        postgres_kvstore = PostgresKVStore.from_params(
            host=host,
            port=port,
            database=database,
            user=user,
            password=password,
            table_name=table_name,
            schema_name=schema_name,
            perform_setup=perform_setup,
            debug=debug,
            use_jsonb=use_jsonb,
        )
        return cls(postgres_kvstore, namespace, collection_suffix)

从 PostgresURI 加载 PostgresIndexStore。

from_uri(uri: str, namespace: Optional[str] = None, table_name: str = 'indexstore', schema_name: str = 'public', perform_setup: bool = True, debug: bool = False, use_jsonb: bool = False, collection_suffix: Optional[str] = None) -> PostgresIndexStore

from_params classmethod #

from_uri classmethod # 
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@classmethod
def from_uri(
    cls,
    uri: str,
    namespace: Optional[str] = None,
    table_name: str = "indexstore",
    schema_name: str = "public",
    perform_setup: bool = True,
    debug: bool = False,
    use_jsonb: bool = False,
    collection_suffix: Optional[str] = None,
) -> "PostgresIndexStore":
    """Load a PostgresIndexStore from a PostgresURI."""
    postgres_kvstore = PostgresKVStore.from_uri(
        uri=uri,
        table_name=table_name,
        schema_name=schema_name,
        perform_setup=perform_setup,
        debug=debug,
        use_jsonb=use_jsonb,
    )
    return cls(postgres_kvstore, namespace, collection_suffix)

从 Postgres 主机和端口加载 PostgresIndexStore。

from_params(host: Optional[str] = None, port: Optional[str] = None, database: Optional[str] = None, user: Optional[str] = None, password: Optional[str] = None, namespace: Optional[str] = None, table_name: str = 'indexstore', schema_name: str = 'public', perform_setup: bool = True, debug: bool = False, use_jsonb: bool = False, collection_suffix: Optional[str] = None) -> PostgresIndexStore

回到顶部

from_uri classmethod # 
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@classmethod
def from_params(
    cls,
    host: Optional[str] = None,
    port: Optional[str] = None,
    database: Optional[str] = None,
    user: Optional[str] = None,
    password: Optional[str] = None,
    namespace: Optional[str] = None,
    table_name: str = "indexstore",
    schema_name: str = "public",
    perform_setup: bool = True,
    debug: bool = False,
    use_jsonb: bool = False,
    collection_suffix: Optional[str] = None,
) -> "PostgresIndexStore":
    """Load a PostgresIndexStore from a Postgres host and port."""
    postgres_kvstore = PostgresKVStore.from_params(
        host=host,
        port=port,
        database=database,
        user=user,
        password=password,
        table_name=table_name,
        schema_name=schema_name,
        perform_setup=perform_setup,
        debug=debug,
        use_jsonb=use_jsonb,
    )
    return cls(postgres_kvstore, namespace, collection_suffix)