langchain_community.vectorstores.pgembedding.CollectionStore

class langchain_community.vectorstores.pgembedding.CollectionStore(**kwargs)[source]

集合存储。

A simple constructor that allows initialization from kwargs.

Sets attributes on the constructed instance using the names and values in kwargs.

Only keys that are present as attributes of the instance’s class are allowed. These could be, for example, any mapped columns or relationships.

Attributes

cmetadata

embeddings

metadata

name

registry

uuid

Methods

__init__(**kwargs)

A simple constructor that allows initialization from kwargs.

get_by_name(session, name)

get_or_create(session, name[, cmetadata])

获取或创建一个集合。 返回[Collection, bool]，其中bool为True，如果集合被创建。
__init__(**kwargs)

A simple constructor that allows initialization from kwargs.

Sets attributes on the constructed instance using the names and values in kwargs.

Only keys that are present as attributes of the instance’s class are allowed. These could be, for example, any mapped columns or relationships.

classmethod get_by_name(session: Session, name: str) → Optional[CollectionStore][source]
Parameters

  • session (Session) –

  • name (str) –

Return type

Optional[CollectionStore]

classmethod get_or_create(session: Session, name: str, cmetadata: Optional[dict] = None) → Tuple[CollectionStore, bool][source]

获取或创建一个集合。 返回[Collection, bool]，其中bool为True，如果集合被创建。

Parameters

  • session (Session) –

  • name (str) –

  • cmetadata (Optional[dict]) –

Return type

Tuple[CollectionStore, bool]