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MDEV-10486 MariaDB 10.x does not update rows_examined in performance_schema tables.

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Save the rows_examined counter before it gets emptied.
This commit is contained in:
Alexey Botchkov
2017-12-18 15:21:50 +04:00
parent ef9e78c9d4
commit 6ee9cba745
3 changed files with 34 additions and 2 deletions
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16
mysql-test/suite/perfschema/r/misc.result
View File

@@ -118,3 +118,19 @@ B
select count(*) from events_statements_history where sql_text like "%...";
count(*)
2
use test;
create table t1 (id int);
insert into t1 values (1), (2), (3);
truncate performance_schema.events_statements_history;
select * from t1;
id
1
2
3
insert into t1 select RAND()*10000 from t1;
select sql_text, rows_examined from performance_schema.events_statements_history;
sql_text rows_examined
truncate performance_schema.events_statements_history 0
select * from t1 3
insert into t1 select RAND()*10000 from t1 6
drop table t1;

15
mysql-test/suite/perfschema/t/misc.test
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@@ -207,3 +207,18 @@ select 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
select _utf8mb4 'васÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑвасÑ' as B;
select count(*) from events_statements_history where sql_text like "%...";
#
# MDEV-10486 MariaDB 10.x does not update rows_examined in performance_schema tables
# Verify that the rows_examined counter is set properly.
use test;
create table t1 (id int);
insert into t1 values (1), (2), (3);
truncate performance_schema.events_statements_history;
select * from t1;
insert into t1 select RAND()*10000 from t1;
select sql_text, rows_examined from performance_schema.events_statements_history;
drop table t1;