Architecture
How ingestion and querying work in the built-in RAG stack
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The RAG stack runs entirely within PostgreSQL — no external vector database required. See Platform Deployment — Knowledge Base Configuration for full configuration reference.
Ingestion
Connectors run on a cron schedule, pulling documents that are chunked and embedded into PostgreSQL with pgvector.
Querying
At runtime, the agent's query is embedded, then vector and optional full-text search run in parallel. Results are fused, reranked, and filtered before being returned.