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order by vcol test fixups

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This commit is contained in:
Sergei Golubchik 2025-06-06 09:51:07 +02:00
parent ae5b1acc55
commit 62dc96cd7e
1 changed files with 43 additions and 0 deletions
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43
mysql-test/suite/vcol/r/order_by_subst.result
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@ -89,3 +89,46 @@ vc
2 2
2 2
drop table t; drop table t;
create table t (c int);
insert into t select seq from seq_1_to_10000;
alter table t
add column vc1 int as (c + 1);
alter table t
add column vc2 int as (1 - c),
add index(vc1, vc2);
explain select vc1, vc2 from t order by c + 1, 1 - c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t ALL NULL NULL NULL NULL 10000 Using filesort
drop table t;
create table t (c int, key (c));
insert into t select seq from seq_1_to_10000;
alter table t
add column vc1 int as (c + 1),
add index(vc1);
alter table t
add column vc2 int as (1 - c),
add index(vc2);
set @old_optimizer_trace=@@optimizer_trace;
set optimizer_trace=1;
explain select * from t order by c + 1, 1 - c;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t index NULL c 5 NULL 10000 Using index; Using filesort
select
json_detailed(json_extract(trace, '$**.virtual_column_substitution'))
from
information_schema.optimizer_trace;
json_detailed(json_extract(trace, '$**.virtual_column_substitution'))
[
{
"location": "ORDER BY",
"from": "t.c + 1",
"to": "t.vc1"
},
{
"location": "ORDER BY",
"from": "1 - t.c",
"to": "t.vc2"
}
]
set optimizer_trace=@old_optimizer_trace;
drop table t;