我有一個表,主鍵的一部分是另一個表的外鍵。當fk列是pk的子集時,主鍵索引是否會用作外鍵的索引?
create table player_result (
event_id integer not null,
pub_time timestamp not null,
name_key varchar(128) not null,
email_address varchar(128),
withdrawn boolean not null,
place integer,
realized_values hstore,
primary key (event_id, pub_time, name_key),
foreign key (email_address) references email(address),
foreign key (event_id, pub_time) references event_publish(event_id, pub_time));
將主鍵足以回到event_id
和pub_time
外鍵生成的索引?