Mariel Cherkassky <mariel.cherkassky@xxxxxxxxx> writes: > 2)select conname, (select r.relname from pg_class r where r.oid = > c.confrelid) as orig_table, (select array_agg(attname) from pg_attribute > where attrelid = c.confrelid and ARRAY[attnum] <@ c.conkey) as > orig_cols, (select r.relname from pg_class r where r.oid = c.conrelid) as > foreign_table, (select array_agg(attname) from pg_attribute where > attrelid = c.conrelid and ARRAY[attnum] <@ c.conkey) as foreign_cols from > pg_constraint c where c.confrelid = (select oid from pg_class where > relname = '*my_table*') and c.contype='f' > On the second output in the orig_cols I got a few weird outputs like > : {........pg.dropped.5........} or even a columns that doesnt have a > unique index (just a random column from the orig_table). You need to be looking at confkey not conkey for the columns in the confrelid table. regards, tom lane