config root man

# The include statement below is a temp one for tests that are yet to
#be ported to run with InnoDB,
#but needs to be kept for tests that would need MyISAM in future.
--source include/force_myisam_default.inc

--source include/have_ndb.inc

# Some tests with larger blobs

--echo Larger MaxAllowedPacket as this limits the size of Blob MySQLD can handle
show variables like 'max_allowed_packet';

use test;

create table t1 (a int primary key, b longtext) engine=ndb;

delimiter %;

create procedure heavy_insert(times int, bytes int)
begin
  set @x = 0;
  repeat
    insert into t1 values (1, repeat('B', bytes));
    delete from t1 where a=1;
    set @x = @x + 1;
  until @x = times
  end repeat;
  insert into t1 values (1, repeat('B', bytes));
end %

create procedure heavy_read(times int)
begin
  set @x = 0;
  repeat
    select a, length(b) from t1 where a=1;
    set @x = @x + 1;
  until @x = times
  end repeat;
end %

delimiter ;%

--echo Set unlimited batch size for reads+writes

set ndb_blob_read_batch_bytes = 0;
set ndb_blob_write_batch_bytes = 0;

--echo Now try a heavy insert - idea is to show SendBufferMemory overload on insert

--error 0,1297,1297
call heavy_insert(20, 5*1024*1024);
# NOTE don't check for warnings...as it doesnt fail consistenly

delete from t1;

set ndb_blob_write_batch_bytes=100 * 1024;

--echo Now heavy insert should succeed
call heavy_insert(10, 5*1024*1024);

--echo Now heavy read should fail

--disable_result_log
--error 0,1297,1297
call heavy_read(100);
--enable_result_log
# NOTE don't check for warnings...as it doesnt fail consistenly

set ndb_blob_read_batch_bytes=100 * 1024;

--echo Now heavy read should succeed
--disable_result_log
call heavy_read(100);
--enable_result_log

set ndb_blob_write_batch_bytes=0;
set ndb_blob_read_batch_bytes=0;
drop procedure heavy_insert;
drop procedure heavy_read;
drop table t1;