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This is built to be more robust than the SQLite storage, and to integrate with other applications. The idea is that for example a web application might interact with the same DB to create and delete clients as customers come and go.
17 lines
562 B
SQL
17 lines
562 B
SQL
CREATE TABLE clients (
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client_id UUID PRIMARY KEY,
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latest_version_id UUID default '00000000-0000-0000-0000-000000000000',
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snapshot_version_id UUID,
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versions_since_snapshot INTEGER,
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snapshot_timestamp BIGINT,
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snapshot BYTEA);
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CREATE TABLE versions (
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client_id UUID NOT NULL,
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FOREIGN KEY(client_id) REFERENCES clients (client_id) ON DELETE CASCADE,
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version_id UUID NOT NULL,
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parent_version_id UUID,
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history_segment BYTEA,
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CONSTRAINT versions_pkey PRIMARY KEY (client_id, version_id)
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);
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CREATE INDEX versions_by_parent ON versions (parent_version_id);
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