enable foreign key checks postgres
set session_replication_role to replica;
enable foreign key checks postgres
set session_replication_role to replica;
postgres check for foreign key
SELECT
r.table_name
FROM information_schema.constraint_column_usage u
INNER JOIN information_schema.referential_constraints fk
ON u.constraint_catalog = fk.unique_constraint_catalog
AND u.constraint_schema = fk.unique_constraint_schema
AND u.constraint_name = fk.unique_constraint_name
INNER JOIN information_schema.key_column_usage r
ON r.constraint_catalog = fk.constraint_catalog
AND r.constraint_schema = fk.constraint_schema
AND r.constraint_name = fk.constraint_name
WHERE
u.column_name = 'id' AND
u.table_catalog = 'db_name' AND
u.table_schema = 'public' AND
u.table_name = 'table_a'
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