sp-big.test

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

#
# Bug #11602: SP with very large body not handled well
#

--disable_warnings
drop procedure if exists test.longprocedure;
drop table if exists t1;
--enable_warnings

create table t1 (a int);
insert into t1 values (1),(2),(3);

let $body=`select repeat('select count(*) into out1 from t1;\n', 3072)`;

delimiter //;
--disable_query_log
eval select length('$body') as length//
eval create procedure test.longprocedure (out out1 int) deterministic
begin
  $body
end//
--enable_query_log

delimiter ;//

# this is larger than the length above, because it includes the 'begin' and
# 'end' bits and some whitespace
select length(routine_definition) from information_schema.routines where routine_schema = 'test' and routine_name = 'longprocedure';

call test.longprocedure(@value); select @value;

drop procedure test.longprocedure;
drop table t1;
#
# Bug #9819 "Cursors: Mysql Server Crash while fetching from table with 5
# million records.": 
# To really test the bug, increase the number of loop iterations ($1).
# For 4 millions set $1 to 22.
create table t1 (f1 char(100) , f2 mediumint , f3 int , f4 real, f5 numeric);
insert into t1 (f1, f2, f3, f4, f5) values
("This is a test case for for Bug#9819", 1, 2, 3.0, 4.598);
create table t2 like t1;
let $1=8;
--disable_query_log
--disable_result_log
while ($1)
{
  eval insert into t1 select * from t1;
  dec $1;
}
--enable_result_log
--enable_query_log
select count(*) from t1;
select count(*) from t2;
--disable_warnings
drop procedure if exists p1;
--enable_warnings
delimiter |;
create procedure p1()
begin
  declare done integer default 0;
  declare vf1 char(100) ;
  declare vf2 mediumint;
  declare vf3 int ;
  declare vf4 real ;
  declare vf5 numeric ;
  declare cur1 cursor for select f1,f2,f3,f4,f5 from t1;  
  declare continue handler for sqlstate '02000' set done = 1; 
  open cur1;
  while done <> 1 do
    fetch cur1 into vf1, vf2, vf3, vf4, vf5;
    if not done then
      insert into t2 values (vf1, vf2, vf3, vf4, vf5);
    end if;
  end while;
  close cur1;
end|
delimiter ;|
call p1();
select count(*) from t1;
select count(*) from t2;
select f1 from t1 limit 1;
select f1 from t2 limit 1;
drop procedure p1;
drop table t1, t2;