Hello. Is it possible to create a foreign key constraint for ALL elements of an array field?
CREATE TABLE a(id INTEGER); CREATE TABLE b(id INTEGER, a_ids INTEGER[]); Field b.a_ids contains a list of ID's of "a" table. I want to ensure that each element in b.a_ids exists in a in any time. Is it possible to create an automatic foreign key? According to http://www.postgresql.org/docs/current/static/catalog-pg-constraint.html , seems to me it is possible if I create a custom entry in pg_constraint with my custom conpfeqop, conppeqop and conffeqop fields. Am I right? -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
