40 lines
1.2 KiB
SQL
40 lines
1.2 KiB
SQL
CREATE TABLE IF NOT EXISTS namespaces (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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name TEXT UNIQUE NOT NULL
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);
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CREATE TABLE IF NOT EXISTS memory_items (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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namespace_id UUID NOT NULL REFERENCES namespaces(id) ON DELETE CASCADE,
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key TEXT,
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content TEXT NOT NULL,
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metadata JSONB NOT NULL DEFAULT '{}',
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tags TEXT[] NOT NULL DEFAULT '{}',
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revision INT NOT NULL DEFAULT 1,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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expires_at TIMESTAMPTZ,
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deleted_at TIMESTAMPTZ,
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last_accessed_at TIMESTAMPTZ
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);
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CREATE TABLE IF NOT EXISTS memory_chunks (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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item_id UUID NOT NULL REFERENCES memory_items(id) ON DELETE CASCADE,
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seq INT NOT NULL,
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content TEXT NOT NULL,
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expires_at TIMESTAMPTZ,
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deleted_at TIMESTAMPTZ,
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content_tsv tsvector GENERATED ALWAYS AS (to_tsvector('english', content)) STORED
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);
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CREATE TABLE IF NOT EXISTS embeddings (
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id BIGSERIAL PRIMARY KEY,
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chunk_id UUID NOT NULL REFERENCES memory_chunks(id) ON DELETE CASCADE,
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model TEXT NOT NULL,
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dim INT NOT NULL,
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vector VECTOR(1024),
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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UNIQUE(chunk_id, model)
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);
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