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fix(docs): mention DB_VECTOR_EXTENSION env in pgvector->vchord migration guide (#18508)

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mention `DB_VECTOR_EXTENSION` env in pgvector->vchord migration guide
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Mert 2025-05-22 22:43:28 -04:00 committed by GitHub
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docs/docs/administration/postgres-standalone.md
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@ -128,7 +128,8 @@ ALTER TABLE face_search ALTER COLUMN embedding SET DATA TYPE vector(512);
1. Ensure you have at least 0.7.0 of pgvector installed. If it is below that, please upgrade it and run the SQL command `ALTER EXTENSION vector UPDATE;` using psql or your choice of database client 1. Ensure you have at least 0.7.0 of pgvector installed. If it is below that, please upgrade it and run the SQL command `ALTER EXTENSION vector UPDATE;` using psql or your choice of database client
2. Follow the Prerequisites to install VectorChord 2. Follow the Prerequisites to install VectorChord
3. If Immich does not have superuser permissions, run the SQL command `CREATE EXTENSION vchord CASCADE;` 3. If Immich does not have superuser permissions, run the SQL command `CREATE EXTENSION vchord CASCADE;`
4. Start Immich and let it create new indices using VectorChord 4. Remove the `DB_VECTOR_EXTENSION=pgvector` environmental variable as it will make Immich still use pgvector if set
5. Start Immich and let it create new indices using VectorChord
Note that VectorChord itself uses pgvector types, so you should not uninstall pgvector after following these steps. Note that VectorChord itself uses pgvector types, so you should not uninstall pgvector after following these steps.