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MDEV-35074: selectivity_notembedded fails with --view-protocol

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Make the test view-protocol proof: save the contents of optimizer_trace
and then we can do many queries against it.

Also removed end-of-line spaces.
This commit is contained in:
Sergei Petrunia 2024-10-04 12:49:37 +03:00
parent e9c999caf4
commit 5673cbe094
3 changed files with 73 additions and 52 deletions
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16
mysql-test/main/selectivity_innodb_notembedded.result
View File

@ -233,11 +233,13 @@ pk in (1,2,3,4,5) and
key1 <= 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 4 NULL 5 Using where
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
# Must have a note that "multiplier is too high":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
[
@ -258,7 +260,7 @@ JS
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
{
@ -280,6 +282,7 @@ JS
}
}
]
drop table opt_trace;
# Disable the fix and try the same:
set @@optimizer_adjust_secondary_key_costs='';
explain select * from t1
@ -288,12 +291,13 @@ pk in (1,2,3,4,5) and
key1 <= 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 4 NULL 5 Using where
drop table t1;
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
# Shows a high multiplier, without a "note":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
[
@ -312,7 +316,7 @@ JS
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
{
@ -334,7 +338,9 @@ JS
}
}
]
drop table opt_trace;
set optimizer_adjust_secondary_key_costs=default;
drop table t1;
#
# Clean up
#

16
mysql-test/main/selectivity_notembedded.result
View File

@ -228,11 +228,13 @@ pk in (1,2,3,4,5) and
key1 <= 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 4 NULL 5 Using index condition; Using where
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
# Must have a note that "multiplier is too high":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
[
@ -253,7 +255,7 @@ JS
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
{
@ -275,6 +277,7 @@ JS
}
}
]
drop table opt_trace;
# Disable the fix and try the same:
set @@optimizer_adjust_secondary_key_costs='';
explain select * from t1
@ -283,12 +286,13 @@ pk in (1,2,3,4,5) and
key1 <= 4;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range PRIMARY,key1 PRIMARY 4 NULL 5 Using index condition; Using where
drop table t1;
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
# Shows a high multiplier, without a "note":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
[
@ -307,7 +311,7 @@ JS
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
opt_trace;
JS
[
{
@ -329,7 +333,9 @@ JS
}
}
]
drop table opt_trace;
set optimizer_adjust_secondary_key_costs=default;
drop table t1;
#
# Clean up
#

21
mysql-test/main/selectivity_notembedded.test
View File

@ -245,17 +245,21 @@ where
pk in (1,2,3,4,5) and
key1 <= 4;
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
--echo # Must have a note that "multiplier is too high":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
--echo # Must not include 1.79...e308 as cost:
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
opt_trace;
drop table opt_trace;
--echo # Disable the fix and try the same:
set @@optimizer_adjust_secondary_key_costs='';
@ -263,20 +267,25 @@ explain select * from t1
where
pk in (1,2,3,4,5) and
key1 <= 4;
drop table t1;
create temporary table opt_trace as
select * from information_schema.optimizer_trace;
--echo # Shows a high multiplier, without a "note":
select
json_detailed(json_extract(trace,'$**.selectivity_for_indexes')) as JS
from
information_schema.optimizer_trace;
opt_trace;
--echo # Includes 1.79...e308 as cost:
select
json_detailed(json_extract(trace,'$**.best_access_path')) as JS
from
information_schema.optimizer_trace;
set optimizer_adjust_secondary_key_costs=default;
opt_trace;
drop table opt_trace;
set optimizer_adjust_secondary_key_costs=default;
drop table t1;
--echo #
--echo # Clean up
--echo #