如下所示:
select (ctid::text::point)[1]::bigint AS row_number from user;
补充一点:
ctid的比较表达式如下所示:
select ctid, id, name from user;
delete from user where ctid='(0,1)';
如下所示:
select (ctid::text::point)[1]::bigint AS row_number from user;
补充一点:
ctid的比较表达式如下所示:
select ctid, id, name from user;
delete from user where ctid='(0,1)';