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[Prostgres Vector Store] Add PGVector Driver option + Fix null character issue w/ TypeORM Driver (#3367)

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* Add PGVector Driver option + Fix null character issue w/ TypeORM Driver

* Handle file upload case with PGVector

* Cleanup

* Fix data filtering for chatflow uploaded files

* Add distanceStrategy parameter

* Fix query to improve chatflow uploaded files filtering

* Ensure PGVector release connections

* Await client connected

* Make Postgres credentials optionnal when set on env variables

* Document env variables in nodes directories

* Prevent reuse client

* Fix empty metadataFilter

* Update CONTRIBUTING.md

* Update Postgres.ts

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Co-authored-by: Henry Heng <henryheng@flowiseai.com>
This commit is contained in:
Jérémy JOURDIN
2024-11-01 19:13:45 +01:00
committed by GitHub
parent 39380a4bc7
commit 15d59a9052
10 changed files with 535 additions and 204 deletions
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packages/components/nodes/vectorstores/Postgres/README.md
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# Postgres Vector Store
Postgres Vector Store integration for Flowise
## 🌱 Env Variables
| Variable | Description | Type | Default |
| ---------------------------- | ----------------------------------------------------------------------------------------------- | ------------------------------------------------ | ----------------------------------- |
| POSTGRES_VECTORSTORE_HOST | Default `host` for Postgres Vector Store | String | |
| POSTGRES_VECTORSTORE_PORT | Default `port` for Postgres Vector Store | Number | 5432 |
| POSTGRES_VECTORSTORE_USER | Default `user` for Postgres Vector Store | String | |
| POSTGRES_VECTORSTORE_PASSWORD | Default `password` for Postgres Vector Store | String | |
| POSTGRES_VECTORSTORE_DATABASE | Default `database` for Postgres Vector Store | String | |
| POSTGRES_VECTORSTORE_TABLE_NAME | Default `tableName` for Postgres Vector Store | String | documents |
| POSTGRES_VECTORSTORE_CONTENT_COLUMN_NAME | Default `contentColumnName` for Postgres Vector Store | String | pageContent |
## License
Source code in this repository is made available under the [Apache License Version 2.0](https://github.com/FlowiseAI/Flowise/blob/master/LICENSE.md).