60 lines
2.0 KiB
SQL
60 lines
2.0 KiB
SQL
-- metal-kompanion core schema (pgvector)
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CREATE EXTENSION IF NOT EXISTS vector;
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CREATE TABLE IF NOT EXISTS knowledge (
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id BIGSERIAL PRIMARY KEY,
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source TEXT,
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path TEXT,
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sha256 TEXT,
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lineno INT,
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text TEXT NOT NULL,
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tags TEXT[],
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created_at TIMESTAMPTZ DEFAULT now()
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);
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-- embeddings: 1024-dim space (extend with more tables if needed)
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CREATE TABLE IF NOT EXISTS embeddings_1024 (
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id BIGSERIAL PRIMARY KEY,
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knowledge_id BIGINT REFERENCES knowledge(id) ON DELETE CASCADE,
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model TEXT NOT NULL,
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embedding vector(1024) NOT NULL,
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created_at TIMESTAMPTZ DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS embeddings_1024_l2 ON embeddings_1024 USING ivfflat (embedding vector_l2_ops) WITH (lists=100);
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-- memory branches (git-like)
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CREATE TABLE IF NOT EXISTS mem_branch (
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id BIGSERIAL PRIMARY KEY,
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name TEXT UNIQUE NOT NULL,
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purpose TEXT,
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created_at TIMESTAMPTZ DEFAULT now()
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);
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CREATE TABLE IF NOT EXISTS mem_commit (
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id BIGSERIAL PRIMARY KEY,
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branch_id BIGINT REFERENCES mem_branch(id) ON DELETE CASCADE,
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parent_id BIGINT,
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author_did TEXT,
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message TEXT,
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created_at TIMESTAMPTZ DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS mem_commit_branch ON mem_commit(branch_id);
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-- commit deltas referencing knowledge rows
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CREATE TABLE IF NOT EXISTS mem_delta (
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id BIGSERIAL PRIMARY KEY,
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commit_id BIGINT REFERENCES mem_commit(id) ON DELETE CASCADE,
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knowledge_id BIGINT REFERENCES knowledge(id) ON DELETE CASCADE,
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action SMALLINT NOT NULL CHECK (action IN (0,1,2)) -- 0:add,1:update,2:delete
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);
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CREATE INDEX IF NOT EXISTS mem_delta_commit ON mem_delta(commit_id);
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-- per-branch centroid for fast routing
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CREATE TABLE IF NOT EXISTS branch_embedding_1024 (
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branch_id BIGINT REFERENCES mem_branch(id) ON DELETE CASCADE,
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model TEXT NOT NULL,
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embedding vector(1024) NOT NULL,
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updated_at TIMESTAMPTZ DEFAULT now(),
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PRIMARY KEY(branch_id, model)
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);
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