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JavaScript@langchain/langgraph-checkpoint-postgresstorePostgresStorevectorSearch
Method●Since v0.0

vectorSearch

Performs vector similarity search using embeddings.

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

Parameters

NameTypeDescription
namespacePrefix*string[]

The namespace prefix to search within

query*string

The text query to embed and search for similar items

options__type
Default:{}

Search options including filter, similarity threshold, and distance metric

View source on GitHub