polardbxengine/mysql-test/suite/innodb/t/innodb_bug14676111.test

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# Test for bug #14676111: WRONG PAGE_LEVEL WRITTEN FOR UPPER THAN FATHER PAGE AT BTR_LIFT_PAGE_UP()
-- source include/have_debug.inc
--disable_query_log
set @old_innodb_limit_optimistic_insert_debug = @@innodb_limit_optimistic_insert_debug;
set @old_innodb_stats_persistent = @@innodb_stats_persistent;
set @old_innodb_rollback_segments = @@innodb_rollback_segments;
# Limit undo segments for stable progress of purge.
set global innodb_rollback_segments = 1;
--enable_query_log
--disable_warnings
drop table if exists t1;
--enable_warnings
set global innodb_stats_persistent = false;
CREATE TABLE t1 (a int not null primary key) engine=InnoDB;
#
# make 4 leveled straight tree
#
set global innodb_limit_optimistic_insert_debug = 2;
insert into t1 values (1);
insert into t1 values (5);
#current tree form
# (1, 5)
insert into t1 values (4);
#records in a page is limited to 2 artificially. root rise occurs
#current tree form
# (1, 5)
#(1, 4) (5)
insert into t1 values (3);
#current tree form
# (1, 5)
# (1, 4) (5)
#(1, 3) (4) (5)
insert into t1 values (2);
#current tree form
# (1, 5)
# (1, 4) (5)
# (1, 3) (4) (5)
#(1, 2) (3) (4) (5)
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
delete from t1 where a=4;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
--source include/wait_innodb_all_purged.inc
#deleting 1 record of 2 records don't cause merge artificially.
#current tree form
# (1, 5)
# (1) (5)
# (1, 3) (5)
#(1, 2) (3) (5)
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
delete from t1 where a=5;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
--source include/wait_innodb_all_purged.inc
#deleting 1 record of 2 records don't cause merge artificially.
#current tree form
# (1)
# (1)
# (1, 3) <- lift up this level next, when deleting node ptr
#(1, 2) (3) <- merged next
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
#
# cause merge at level 0
#
#disable the artificial limitation of records in a page
set global innodb_limit_optimistic_insert_debug = 0;
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
--source include/wait_innodb_all_purged.inc
#merge page occurs. and lift up occurs.
#current tree form
# (1)
# (1)
# (1, 3)
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
insert into t1 values (2);
#current tree form
# (1)
# (1) <- lift up this level next, because it is not root
# (1, 2, 3)
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
--source include/wait_innodb_all_purged.inc
#current tree form
# (1)
# (1, 3)
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
insert into t1 values (2);
#current tree form
# (1)
# (1, 2, 3) <- lift up this level next, because the father is root
delete from t1 where a=2;
set global innodb_purge_stop_now=ON;
set global innodb_purge_run_now=ON;
--source include/wait_innodb_all_purged.inc
#current tree form
# (1, 3)
analyze table t1;
select CLUST_INDEX_SIZE from information_schema.INNODB_TABLESTATS where NAME = 'test/t1';
drop table t1;
--disable_query_log
set global innodb_limit_optimistic_insert_debug = @old_innodb_limit_optimistic_insert_debug;
set global innodb_stats_persistent = @old_innodb_stats_persistent;
set global innodb_rollback_segments = @old_innodb_rollback_segments;
--enable_query_log