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Postgres list all constraints
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SELECT | |
tc.constraint_name, tc.table_name, kcu.column_name, | |
ccu.table_name AS foreign_table_name, | |
ccu.column_name AS foreign_column_name | |
FROM | |
information_schema.table_constraints AS tc | |
JOIN information_schema.key_column_usage AS kcu | |
ON tc.constraint_name = kcu.constraint_name | |
JOIN information_schema.constraint_column_usage AS ccu | |
ON ccu.constraint_name = tc.constraint_name | |
WHERE constraint_type = 'FOREIGN KEY' |
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