MySql通用分页存储过程
MySql通用分页存储过程
1MySql通用分页存储过程
2
3过程参数
4p_cloumns varchar(500),p_tables varchar(100),p_where varchar(4000),p_order varchar(100),p_pageindex int,p_pagesize int,out p_recordcount int,out p_pagecount int
5
6$$:begin
7 declare v_sqlcounts varchar(4000);
8 declare v_sqlselect varchar(4000);
9 #拼接查询总记录的SQL语句
10 set v_sqlcounts = concat(‘select count(*) into @recordcount from ‘,p_tables,p_where);
11 #select v_sqlcounts;leave $$;
12 set @sqlcounts = v_sqlcounts;
13 prepare stmt from @sqlcounts;
14 execute stmt;
15 deallocate prepare stmt;
16 #获取动态SQL语句返回值
17 set p_recordcount = @recordcount;
18 #根据总记录跳数计算出总页数
19 set p_pagecount = ceiling((p_recordcount+0.0)/p_pagesize);
20 if p_pageindex <1 then
21 set p_pageindex = 1;
22 elseif p_pageindex > p_pagecount and p_pagecount <> 0 then
23 set p_pageindex = p_pagecount;
24 end if;
25 #拼接分页查询记录的动态SQL语句
26 set v_sqlselect = concat(‘select ‘,p_cloumns,‘ from ‘,p_tables,p_where,if(p_order is not null,p_order,‘‘),‘ limit ‘,(p_pageindex-1)*p_pagesize,‘ , ‘,p_pagesize);27 #select v_sqlselect;leave $$;28 set @sqlselect = v_sqlselect;29 prepare stmtselect from @sqlselect;30 execute stmtselect;31 deallocate prepare stmtselect;32end $$
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