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  • chat_message_histories
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  • vectorstores
    • DistanceStrategy
    • PGVector
  • langchain_postgres 0.0.10
  • vectorstores
  • DistanceStrategy

DistanceStrategy#

class langchain_postgres.vectorstores.DistanceStrategy(value, names=None, *, module=None, qualname=None, type=None, start=1, boundary=None)[source]#

Enumerator of the Distance strategies.

EUCLIDEAN = 'l2'#
COSINE = 'cosine'#
MAX_INNER_PRODUCT = 'inner'#

Examples using DistanceStrategy#

  • Google BigQuery Vector Search

  • Kinetica Vectorstore API

  • Oracle AI Vector Search: Vector Store

  • SAP HANA Cloud Vector Engine

  • SemaDB

  • SingleStoreDB

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On this page
  • DistanceStrategy
    • DistanceStrategy.EUCLIDEAN
    • DistanceStrategy.COSINE
    • DistanceStrategy.MAX_INNER_PRODUCT

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