Question

我在mysql数据库中有以下表格

create table tbl_1(pid int, loc varchar(100), avaId int,xpId int,qf varchar(100));
create table tbl_2(soid int,pid int,sid int,name2 varchar(100), nrt2 int);
create table tbl_3(woid int,pid int,wid int,name3 varchar(100), nrt3 int);

create table tbl_sourcef(id int primary key auto_increment,pid int, loc varchar(100), avaId int,xpId int,qf varchar(100),sid int,nrt2 int,wid int,nrt3 int);

将数据插入上表后

insert into tbl_1 values (1000,'Bangalore',30,9,'ABC');

insert into tbl_2 values(0,1000,1,'name1',8);
insert into tbl_2 values(1,1000,8,'name2',5);
insert into tbl_2 values(2,1000,7,'name3',6);

insert into tbl_3 values(0,1000,2,'D1',9);
insert into tbl_3 values(1,1000,1,'D2',2);
insert into tbl_3 values(2,1000,3,'D3',0);
insert into tbl_3 values(3,1000,4,'D4',5);

以下是tbl_1，tbl_2，tbl_3

中的行

我试图将这三个表合并到一个表中 -

这对于一组pid工作正常..当我使用另一组pid时，它失败并且子查询返回超过1行..我找不到哪个是创建问题

使用名为fupdate（）的存储过程

这是SP的定义：

CREATE PROCEDURE fupdate(
pid int,loc varchar(100),avaId int,xpId int,qf varchar(100)
)
begin
        declare pi int Default 1;
        WHILE pi  <= 10 DO
            insert into tbl_sourcef(pid,loc,avaId,xpId,qf)values(pid,loc,avaId,xpId,qf);
            SET  pi = pi + 1;
        END WHILE;

     begin
              declare i int Default 1 ;
              declare si int default 0;
              declare es int;
              set es=(select count(sid) from tbl_2 where pid=pid);
                WHILE i  <= es DO
                    update tbl_sourcef ff
                    set ff.sid=(select sid from tbl_2 where soid=si and pid=pid),
                        ff.nrt2=(select nrt2 from tbl_2 where soid=si and pid=pid)
                    where id=i and pid=pid;
                    SET  i = i + 1;
                    SET si=si+1;
                END WHILE;
      end;
      begin
              declare wi int Default 1 ;
              declare wii int default 0;
              declare ew int;
              set ew=(select count(wid) from tbl_3 where pid=pid);
                WHILE wi  <= ew DO
                    update tbl_sourcef ff
                    set ff.wid=(select wid from tbl_3 where woid=wii and pid=pid ),
                        ff.nrt3=(select nrt3 from tbl_3 where woid=wii and pid=pid)
                    where id=wi and pid=pid ;
                    SET  wi = wi + 1;
                    SET wii=wii+1;
                END WHILE;
        end;

end

这就是我打电话给我的SP -

call fupdate(1000,'Bangalore',30,9,'ABC')

有没有更好的方法来实现我期望的结果？

只是fyi，tbl_3最多有5行，而tbl_2最多可以包含3行同样的pid。因此，我希望在每个pid的单个表中显示5行内的三个表中的所有字段。我该怎么办？

Answer 1

只需用以下SQL替换所有代码

(error "line 8 column 24: Sort mismatch at argument #1 for function (declare-fun <= (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 9 column 24: Sort mismatch at argument #1 for function (declare-fun <= (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 10 column 24: Sort mismatch at argument #1 for function (declare-fun <= (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 13 column 23: Sort mismatch at argument #1 for function (declare-fun > (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 16 column 24: Sort mismatch at argument #1 for function (declare-fun > (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 19 column 24: Sort mismatch at argument #1 for function (declare-fun <= (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 22 column 15: Sort mismatch at argument #1 for function (declare-fun <= (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 27 column 44: Sort mismatch at argument #1 for function (declare-fun > (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 29 column 52: Sort mismatch at argument #1 for function (declare-fun < (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 30 column 52: Sort mismatch at argument #1 for function (declare-fun < (Int Int) Bool) supplied sort is (_ BitVec 32)")
(error "line 33 column 23: Sort mismatch at argument #1 for function (declare-fun < (Int Int) Bool) supplied sort is (_ BitVec 32)")
sat
((A #x00000000))
((B #x00000000))
((C #x00000000))
((D #x00000000))
((F #x00000000))

根据聊天中指定的要求编辑以提供以下新方法：

＆＃34;我要找的是：每个pid的5条记录 tbl_sourcef，应该包含table1（行可以是多余的单个pid），表2和表3（来自tbl_2和tbl_3的行不应该＆t; 重复）在tbl_sourcef表＆＃34;
中

 select *
 from tbl_1 t1 left join 
 (select ISNULL(t2.pid, t3.pid) as merge_pid, t2.sid, t2.nrt2, t3.wid, t3.nrt3
   from tbl_2 t2 full join tbl_3 t3 on t2.soid = t3.woid) as mrg_table
 on t1.pid = mrg_table.merge_pid

无法从三个表的值更新一个表（将三个表合并为一个）

1 个答案: