Hi,
I'm using postgresql version 8.3.1
I have two tables, one has a field with a foreign key pointing to the
primary key of another table. When I to drop the first table, I get
the following error:
test=# drop table user;
ERROR: "customer_pkey" is an index
test=# select * from pg_constraint where conname like '%user%';
conname | connamespace | contype | condeferrable |
condeferred | conrelid | contypid | confrelid | confupdtype |
confdeltype | confmatchtype | conkey | confkey | conpfeqop | conppeqop
| conffeqop | conbin | consrc
--------------------+--------------+---------+---------------
+-------------+----------+----------+-----------+-------------
+-------------+---------------+--------+---------+-----------
+-----------+-----------+--------+--------
user_pkey | 137354 | p | f |
f | 137475 | 0 | 0 |
| | | {1} | |
| | | |
user_role_fkey | 137354 | f | f |
f | 137475 | 0 | 137463 | a |
a | u | {2} | {1} | {93} | {93}
| {93} | |
(2 rows)
so, I try to drop the foreign key constraint:
test=# alter table user DROP CONSTRAINT user_role_fkey;
ERROR: "customer_pkey" is an index
quite frustrated, I try to drop the pk index on the customer table:
test=# drop index customer_pkey ;
ERROR: cannot drop index customer_pkey because constraint
customer_pkey on table customer requires it
HINT: You can drop constraint customer_pkey on table customer instead.
test=# ALTER TABLE customer drop CONSTRAINT customer_pkey;
ERROR: "customer_pkey" is an index
I'm quite cunfused... Any idea?
Thanks,
e.
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