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JavaScript@langchain/langgraph-checkpoint-postgresstorePostgresStorevectorSearch
Methodā—Since v0.0

vectorSearch

Copy
vectorSearch(
  namespacePrefix: string[],
  query: string,
  options: __type = {}
): Promise<SearchItem
View source on GitHub
[
]
>

Parameters

NameTypeDescription
namespacePrefix*string[]
query*string
options__type
Default:{}

Performs vector similarity search using embeddings.

The namespace prefix to search within

The text query to embed and search for similar items

Search options including filter, similarity threshold, and distance metric