create

Parameters

Name	Type	Description
`engine`*	`PGEngine`	Connection pool engine for managing connections to postgres database.
`embedding_service`*	`Embeddings`	Text embedding model to use.
`table_name`*	`str`	Name of an existing table.
`schema_name`	`str`	Default:`'public'`
`content_column`	`str`	Default:`'content'`
`embedding_column`	`str`	Default:`'embedding'`
`metadata_columns`	`list[str]`	Default:`None`
`ignore_metadata_columns`	`list[str]`	Default:`None`
`id_column`	`str`	Default:`'langchain_id'`
`metadata_json_column`	`str`	Default:`'langchain_metadata'`
`distance_strategy`	`DistanceStrategy`	Default:`DEFAULT_DISTANCE_STRATEGY`
`k`	`int`	Default:`4`
`fetch_k`	`int`	Default:`20`
`lambda_mult`	`float`	Default:`0.5`
`index_query_options`	`QueryOptions`	Default:`None`
`hybrid_search_config`	`HybridSearchConfig`	Default:`None`