mariadb/mysql-test/suite/innodb/t/ibuf_delete.test

--source include/have_innodb.inc
--source include/have_sequence.inc

SET @buffering= @@innodb_change_buffering;
SET GLOBAL innodb_change_buffering= deletes;
SET @flush= @@innodb_flush_log_at_trx_commit;
SET GLOBAL innodb_flush_log_at_trx_commit= 0;

CREATE TABLE t1 (
  a varchar(1024),
  b varchar(1024),
  c varchar(1024),
  d varchar(1024),
  e varchar(1024),
  f varchar(1024),
  g varchar(1024),
  h varchar(1024),
  key (a),
  key (b),
  key (c),
  key (d)
) ENGINE=InnoDB;

INSERT INTO t1
SELECT REPEAT('x',10), REPEAT('x',13), REPEAT('x',427), REPEAT('x',244),
REPEAT('x',9), REPEAT('x',112), REPEAT('x',814), REPEAT('x',633)
FROM seq_1_to_1024;

CREATE TEMPORARY TABLE t2 (
  a varchar(1024),
  b varchar(1024),
  c varchar(1024),
  d varchar(1024),
  e varchar(1024),
  f varchar(1024),
  g varchar(1024),
  h varchar(1024),
  i varchar(1024),
  j varchar(1024),
  k varchar(1024),
  l varchar(1024),
  m varchar(1024),
  key (a),
  key (b),
  key (c),
  key (d),
  key (e),
  key (f)
) ENGINE=InnoDB;

SET @x=REPEAT('x',512);
INSERT INTO t2 SELECT @x, @x, @x, @x, @x, @x, @x, @x, @x, @x, @x, @x, @x
FROM seq_1_to_768;

--disable_query_log
--let $run=1024
while ($run)
{
  eval DELETE FROM t1 LIMIT 1 /* $run */;
  --dec $run
}
--enable_query_log

# Cleanup
DROP TABLE t1, t2;
SET GLOBAL innodb_change_buffering= @buffering;
SET GLOBAL innodb_flush_log_at_trx_commit= @flush;