polardbxengine/mysql-test/suite/ndb/t/ndb_limit_trigger_ops.test

### This test checks whether limiting the number of           ###
### concurrent immediate trigger operations is executed       ###
### correctly and it eases the resource usage like job buffer ###

-- source include/have_ndb.inc

### Test a table with many immediate triggers in breadth

create table t1(
  c1 int not null primary key,
  c2 int not null,
  c3 int not null,
  c4 int not null,
  c5 int not null,
  c6 int not null,
  c7 int not null,
  c8 int not null,
  c9 int not null,
  c10 int not null,
  c11 int not null,
  c12 int not null,
  c13 int not null,
  c14 int not null,
  c15 int not null,
  c16 int not null,
  c17 int not null,
  c18 int not null,
  c19 int not null,
  c20 int not null,
  c21 int not null,
  c22 int not null,
  c23 int not null,
  c24 int not null,
  c25 int not null,
  c26 int not null,
  c27 int not null,
  c28 int not null,
  c29 int not null,
  c30 int not null,
  c31 int not null,
  c32 int not null,
  unique key uk2(c2),
  unique key uk3(c3),
  unique key uk4(c4),
  unique key uk5(c5),
  unique key uk6(c6),
  unique key uk7(c7),
  unique key uk8(c8),
  unique key uk9(c9),
  unique key uk10(c10),
  unique key uk11(c11),
  unique key uk12(c12),
  unique key uk13(c13),
  unique key uk14(c14),
  unique key uk15(c15),
  unique key uk16(c16),
  unique key uk17(c17),
  unique key uk18(c18),
  unique key uk19(c19),
  unique key uk20(c20),
  unique key uk21(c21),
  unique key uk22(c22),
  unique key uk23(c23),
  unique key uk24(c24)
) engine=ndbcluster;

let $max_rows = 1000;

--disable_query_log
let $loops = $max_rows;
while ($loops)
{
  eval insert into t1 values
  ($loops, $loops, $loops, $loops, $loops, $loops, $loops, $loops,
   $loops, $loops, $loops, $loops, $loops, $loops, $loops, $loops,
   $loops, $loops, $loops, $loops, $loops, $loops, $loops, $loops,
   $loops, $loops, $loops, $loops, $loops, $loops, $loops, $loops);
  dec $loops;
}
--enable_query_log

--error 0,ER_GET_TEMPORARY_ERRMSG
eval update t1 set c2=$max_rows+c2, c3=$max_rows+c3, c4=$max_rows+c4,
  c5=$max_rows+c5, c6=$max_rows+c6, c7=$max_rows+c7, c8=$max_rows+c8,
  c9=$max_rows+c9, c10=$max_rows+c10, c11=$max_rows+c11, c12=$max_rows+c12,
  c13=$max_rows+c13, c14=$max_rows+c14, c15=$max_rows+c15, c16=$max_rows+c16,
  c17=$max_rows+c17, c18=$max_rows+c18, c19=$max_rows+c19, c20=$max_rows+c20,
  c21=$max_rows+c21, c22=$max_rows+c22, c23=$max_rows+c23, c24=$max_rows+c24,
  c25=$max_rows+c25, c26=$max_rows+c26, c27=$max_rows+c27, c28=$max_rows+c28,
  c29=$max_rows+c29, c30=$max_rows+c30, c31=$max_rows+c31, c32=$max_rows+c32;
show warnings;

eval update t1 set c2=$max_rows+c2, c3=$max_rows+c3, c4=$max_rows+c4,
  c5=$max_rows+c5, c6=$max_rows+c6, c7=$max_rows+c7, c8=$max_rows+c8,
  c9=$max_rows+c9, c10=$max_rows+c10, c11=$max_rows+c11, c12=$max_rows+c12,
  c13=$max_rows+c13, c14=$max_rows+c14, c15=$max_rows+c15, c16=$max_rows+c16,
  c17=$max_rows+c17, c18=$max_rows+c18, c19=$max_rows+c19, c20=$max_rows+c20,
  c21=$max_rows+c21, c22=$max_rows+c22, c23=$max_rows+c23, c24=$max_rows+c24,
  c25=$max_rows+c25, c26=$max_rows+c26, c27=$max_rows+c27, c28=$max_rows+c28,
  c29=$max_rows+c29, c30=$max_rows+c30, c31=$max_rows+c31, c32=$max_rows+c32
  where c1 < 500;

--error 0,ER_GET_TEMPORARY_ERRMSG
delete from t1;
delete from t1 where c1 < 100;
drop table t1;


### Test a table with many immediate triggers in breadth and depth

create table parent(
  c1 int not null primary key,
  c2 int not null,
  c3 int not null,
  c4 int not null,
  c5 int not null,
  unique key uk2(c2),
  unique key uk3(c3),
  unique key uk4(c4),
  unique key uk5(c5)
) engine=ndbcluster;

create table child(
  c1 int not null primary key,
  c2 int not null,
  c3 int not null,
  c4 int,
  c5 int,
  unique key uk2(c2),
  unique key uk3(c3),
  key k4(c4),
  key k5(c5),
  foreign key fk2(c2) references parent(c1) on update restrict on delete cascade,
  foreign key fk3(c3) references parent(c1) on update restrict on delete cascade
) comment='NDB_TABLE=FULLY_REPLICATED=1' engine=ndbcluster;

create table grandchild(
  c1 int not null primary key,
  c2 int,
  c3 int,
  c4 int,
  c5 int not null,
  unique key uk2(c2),
  unique key uk3(c3),
  key k4(c4),
  key k5(c5),
  foreign key fk4(c2) references child(c2) on update restrict on delete cascade,
  foreign key fk5(c3) references child(c3) on update restrict on delete cascade
) engine=ndbcluster;


--disable_query_log
let $loops = $max_rows;
while ($loops)
{
  eval insert into parent values ($loops, $loops, $loops, $loops, $loops);
  dec $loops;
}

let $loops = $max_rows;
while ($loops)
{
  eval insert into child values ($loops, $loops, $loops, $loops, $loops);
  dec $loops;
}

let $loops = $max_rows;
while ($loops)
{
  eval insert into grandchild values ($loops, $loops, $loops, $loops, $loops);
  dec $loops;
}
--enable_query_log

# Immediate triggers
set ndb_deferred_constraints = 0;

eval update parent set c2=$max_rows+c2, c3=$max_rows+c3,
  c4=$max_rows+c4, c5=$max_rows+c5
  where c1 < 500;

select * from parent where c1=1;
select * from child where c1=1;

# It is not possible to delete many rows because trigger ops
# running in parallel are limited.
begin;
--error 0,ER_LOCK_WAIT_TIMEOUT,ER_GET_TEMPORARY_ERRMSG
eval delete from parent;
rollback;

select count(*) from parent;
select count(*) from child;
select count(*) from grandchild;

# Split the table delete into batches

eval delete from parent where c1<500;
eval delete from parent where c1<1001;

select count(*) from parent;
select count(*) from child;
select count(*) from grandchild;


drop table grandchild;
drop table child;
drop table parent;