Spracherkennung für: .test vermutete Sprache: SQL {SQL[93] VDM[62] ABAP[56]} [Methode: maximale Elemente, drei Dimensionen]
--source include/have_sequence.inc
--echo #
--echo # MDEV-22935 Erroneous Aria Index / Optimizer behaviour
--echo #
create table t1 (a char(255), b datetime, primary key(a,b)) engine=aria transactional=0 pack_keys=0;
insert into t1 select concat("hello world hello world", truncate(seq/100,0)),from_unixtime(seq+1) from seq_1_to_20000;
let $i= 200;
--disable_query_log
while ($i)
{
let $tmp= `select count(*) from t1 where a="hello world hello world$i" and b <= from_unixtime($i*100+1)`;
if (`SELECT $tmp != 1`)
{
--echo "Found $tmp rows, expected 1, for value $i"
}
dec $i;
}
--enable_query_log
drop table t1;
[Dauer der Verarbeitung: 0.18 Sekunden, vorverarbeitet 2026-10-08]