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--source include/not_embedded.inc
--source include/have_innodb.inc
set @innodb_stats_persistent_save= @@innodb_stats_persistent;
set @innodb_stats_persistent_sample_pages_save=
@@innodb_stats_persistent_sample_pages;
set global innodb_stats_persistent= 1;
set global innodb_stats_persistent_sample_pages=100;
create table t1
(
pk1 int not null,
pk2 int not null,
key1 int not null,
key2 int not null,
key (key1),
key (key2),
primary key (pk1, pk2)
)engine=Innodb;
--disable_query_log
let $1=1000;
while ($1)
{
eval insert into t1 values (1+$1/10,$1 mod 100,$1,$1/100);
dec $1;
}
--enable_query_log
analyze table t1;
set optimizer_trace="enabled=on";
set @tmp_index_merge_ror_cpk=@@optimizer_switch;
set optimizer_switch='extended_keys=off';
explain select * from t1 where pk1 != 0 and key1 = 1;
select * from information_schema.OPTIMIZER_TRACE;
drop table t1;
set @@optimizer_switch= @tmp_index_merge_ror_cpk;
set global innodb_stats_persistent= @innodb_stats_persistent_save;
set global innodb_stats_persistent_sample_pages=
@innodb_stats_persistent_sample_pages_save;
--echo #
--echo # MDEV-18962: ASAN heap-buffer-overflow in Single_line_formatting_helper::on_add_str with optimizer trace
--echo #
CREATE TABLE t1 (a date not null, b time, key(a), key(b)) ENGINE=InnoDB;
INSERT INTO t1 VALUES ('1991-09-09','00:00:00'),('2032-08-24','02:22:24');
SET SESSION optimizer_trace = 'enabled=on';
SELECT * FROM t1 WHERE b IS NULL AND a = '2000-01-01';
DROP TABLE t1;
set optimizer_trace="enabled=off";
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