32 lines
949 B
SQL
32 lines
949 B
SQL
ALTER TABLE data ADD COLUMN snapshot_id TEXT;
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ALTER TABLE data ADD COLUMN source_id TEXT;
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ALTER TABLE data ADD CONSTRAINT data_snapshot_id_fkey
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FOREIGN KEY (snapshot_id)
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REFERENCES snapshots(id)
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ON UPDATE CASCADE
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ON DELETE CASCADE;
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ALTER TABLE data ADD CONSTRAINT data_source_id_snapshot_id_key
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UNIQUE (source_id, snapshot_id);
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ALTER TABLE vendors ADD COLUMN snapshot_id TEXT;
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ALTER TABLE vendors ADD COLUMN source_id TEXT;
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ALTER TABLE vendors ADD CONSTRAINT vendors_snapshot_id_fkey
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FOREIGN KEY (snapshot_id)
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REFERENCES snapshots(id)
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ON UPDATE CASCADE
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ON DELETE CASCADE;
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ALTER TABLE vendors ADD CONSTRAINT vendors_source_id_snapshot_id_key
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UNIQUE (source_id, snapshot_id);
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ALTER TABLE data_vendors ADD COLUMN snapshot_id TEXT;
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ALTER TABLE data_vendors ADD CONSTRAINT data_vendors_snapshot_id_fkey
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FOREIGN KEY (snapshot_id)
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REFERENCES snapshots(id)
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ON UPDATE CASCADE
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ON DELETE CASCADE;
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