Michael Stassen wrote:
> You need supp_cd to be first in an index. Try
>
> ALTER TABLE hpi_supp_agmt ADD INDEX supp_ind (supp_cd);
>
> then try to add your foreign key constraint again.
>
> Michael
>
Looks like that does not work. BTW this does work (without adding a
separate index) in postgres.
mysql> alter table hpi_supp_agmt add index i1hpisuppagmt (supp_cd);
Query OK, 28635 rows affected (4.89 sec)
Records: 28635 Duplicates: 0 Warnings: 0
mysql> alter table hpi_supp_agmt add constraint f1hpisuppagmt foreign key (hpi_no)
> references hpi;
ERROR 1005 (HY000): Can't create table './gem/#sql-c3f_2.frm' (errno: 150)
mysql>
