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b54e5850d4
The problem was that xtradb has innodb_purge_threads default 1 (plain innodb defaults to 0). The test sets a special debug variable and relies on it to force purge to happen. But when using background purge threads, this does not work, the debug code is not made to handle this, so occasionally the test times out waiting for the purge to occur. Fix by explicitly setting innodb_purgee_threads=0 for this test.
133 lines
3.6 KiB
Text
133 lines
3.6 KiB
Text
# Test for bug #14676111: WRONG PAGE_LEVEL WRITTEN FOR UPPER THAN FATHER PAGE AT BTR_LIFT_PAGE_UP()
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-- source include/have_innodb.inc
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-- source include/have_debug.inc
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# Note that this test needs to be able to manipulate how/when purge is done
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# using @@innodb_limit_optimistic_insert_debug. This does not work with
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# background purge threads, so we disabled them in the -master.opt (they are
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# off by default in normal 5.5 innodb but on by default in xtradb)
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if (`select count(*)=0 from information_schema.global_variables where variable_name = 'INNODB_LIMIT_OPTIMISTIC_INSERT_DEBUG'`)
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{
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--skip Test requires InnoDB built with UNIV_DEBUG definition.
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}
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--disable_query_log
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set @old_innodb_limit_optimistic_insert_debug = @@innodb_limit_optimistic_insert_debug;
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--enable_query_log
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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CREATE TABLE t1 (a int not null primary key) engine=InnoDB;
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let $wait_condition=
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SELECT VARIABLE_VALUE < 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS
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WHERE VARIABLE_NAME = 'INNODB_PURGE_TRX_ID_AGE';
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#
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# make 4 leveled straight tree
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#
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set global innodb_limit_optimistic_insert_debug = 2;
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insert into t1 values (1);
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insert into t1 values (5);
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#current tree form
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# (1, 5)
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insert into t1 values (4);
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#records in a page is limited to 2 artificially. root rise occurs
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#current tree form
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# (1, 5)
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#(1, 4) (5)
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insert into t1 values (3);
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#current tree form
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# (1, 5)
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# (1, 4) (5)
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#(1, 3) (4) (5)
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insert into t1 values (2);
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#current tree form
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# (1, 5)
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# (1, 4) (5)
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# (1, 3) (4) (5)
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#(1, 2) (3) (4) (5)
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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delete from t1 where a=4;
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--source include/wait_condition.inc
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#deleting 1 record of 2 records don't cause merge artificially.
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#current tree form
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# (1, 5)
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# (1) (5)
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# (1, 3) (5)
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#(1, 2) (3) (5)
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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delete from t1 where a=5;
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--source include/wait_condition.inc
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#deleting 1 record of 2 records don't cause merge artificially.
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#current tree form
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# (1)
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# (1)
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# (1, 3) <- lift up this level next, when deleting node ptr
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#(1, 2) (3) <- merged next
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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#
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# cause merge at level 0
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#
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#disable the artificial limitation of records in a page
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set global innodb_limit_optimistic_insert_debug = 10000;
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delete from t1 where a=2;
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--source include/wait_condition.inc
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#merge page occurs. and lift up occurs.
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#current tree form
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# (1)
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# (1)
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# (1, 3)
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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insert into t1 values (2);
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#current tree form
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# (1)
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# (1) <- lift up this level next, because it is not root
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# (1, 2, 3)
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delete from t1 where a=2;
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--source include/wait_condition.inc
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#current tree form
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# (1)
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# (1, 3)
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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insert into t1 values (2);
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#current tree form
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# (1)
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# (1, 2, 3) <- lift up this level next, because the father is root
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delete from t1 where a=2;
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--source include/wait_condition.inc
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#current tree form
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# (1, 3)
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analyze table t1;
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select DATA_LENGTH / 16384 from information_schema.TABLES where TABLE_SCHEMA = 'test' and TABLE_NAME = 't1';
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drop table t1;
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--disable_query_log
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set global innodb_limit_optimistic_insert_debug = @old_innodb_limit_optimistic_insert_debug;
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--enable_query_log
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