14 lines
528 B
SQL
14 lines
528 B
SQL
-- CVR is company metadata, not an external customer identity. Multiple
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-- e-conomic customer records may legitimately share the same CVR number.
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ALTER TABLE customers
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DROP CONSTRAINT IF EXISTS customers_cvr_number_key;
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DROP INDEX IF EXISTS customers_cvr_number_unique_idx;
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CREATE INDEX IF NOT EXISTS idx_customers_cvr
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ON customers(cvr_number)
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WHERE cvr_number IS NOT NULL AND cvr_number <> '';
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COMMENT ON COLUMN customers.cvr_number IS
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'Danish CVR number. Informational/searchable; duplicates are allowed.';
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