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

search

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

Parameters

NameTypeDescription
namespacePrefix*string[]

The namespace prefix to search within

options__type
Default:{}

Search options including search mode, filters, query text, and pagination

Example

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// Basic text search
const results = await store.search(["documents"], {
  query: "machine learning",
  mode: "text"
});

// Vector search
const results = await store.search(["documents"], {
  query: "machine learning",
  mode: "vector",
  similarityThreshold: 0.7
});

// Hybrid search (combining vector and text)
const results = await store.search(["documents"], {
  query: "machine learning",
  mode: "hybrid",
  vectorWeight: 0.7
});

// Filtered search
const results = await store.search(["products"], {
  filter: { category: "electronics", price: { $lt: 100 } }
});

Search for items in the store with support for text search, vector search, and filtering.