1CREATE TABLE IF NOT EXISTS "embeddings" (
2    "model" TEXT,
3    "digest" BYTEA,
4    "dimensions" FLOAT4[1536],
5    "retrieved_at" TIMESTAMP NOT NULL DEFAULT now(),
6    PRIMARY KEY ("model", "digest")
7);
8
9CREATE INDEX IF NOT EXISTS "idx_retrieved_at_on_embeddings" ON "embeddings" ("retrieved_at");