mirror of
https://github.com/hwchase17/langchain
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25 lines
560 B
Plaintext
25 lines
560 B
Plaintext
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# Postgres Embedding
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> [pg_embedding](https://github.com/neondatabase/pg_embedding) is an open-source package for
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> vector similarity search using `Postgres` and the `Hierarchical Navigable Small Worlds`
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> algorithm for approximate nearest neighbor search.
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## Installation and Setup
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We need to install several python packages.
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```bash
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pip install openai
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pip install psycopg2-binary
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pip install tiktoken
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```
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## Vector Store
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See a [usage example](/docs/integrations/vectorstores/pgembedding).
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```python
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from langchain.vectorstores import PGEmbedding
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```
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