80 lines
2.2 KiB
Plaintext
80 lines
2.2 KiB
Plaintext
CREATE PROCEDURE populate_t1()
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BEGIN
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DECLARE i INT DEFAULT 1;
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while (i <= 40000) DO
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insert into t1 values (i, 'a', 'b');
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SET i = i + 1;
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END WHILE;
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END |
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create table t1
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(keyc int, c1 char(100), c2 char(100),
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primary key(keyc)) engine = innodb;
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begin;
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call populate_t1();
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delete from t1 where keyc < 20000;
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update t1 set c1 = 'mysql' where keyc > 20000;
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update t1 set c2 = 'oracle' where keyc > 20000;
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set global debug = "+d,ib_undo_trunc_before_checkpoint";
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commit;
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set global innodb_fast_shutdown=0;
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Pattern "ib_undo_trunc_before_checkpoint" found
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# restart
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drop table t1;
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create table t1
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(keyc int, c1 char(100), c2 char(100),
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primary key(keyc)) engine = innodb;
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begin;
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call populate_t1();
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delete from t1 where keyc < 20000;
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update t1 set c1 = 'mysql' where keyc > 20000;
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update t1 set c2 = 'oracle' where keyc > 20000;
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set global debug = "+d,ib_undo_trunc_before_ddl_log_start";
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commit;
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set global innodb_fast_shutdown=0;
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Pattern "ib_undo_trunc_before_ddl_log_start" found
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# restart
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drop table t1;
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create table t1
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(keyc int, c1 char(100), c2 char(100),
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primary key(keyc)) engine = innodb;
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begin;
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call populate_t1();
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delete from t1 where keyc < 20000;
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update t1 set c1 = 'mysql' where keyc > 20000;
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update t1 set c2 = 'oracle' where keyc > 20000;
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set global debug = "+d,ib_undo_trunc_before_truncate";
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commit;
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set global innodb_fast_shutdown=0;
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Pattern "ib_undo_trunc_before_truncate" found
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# restart
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drop table t1;
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create table t1
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(keyc int, c1 char(100), c2 char(100),
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primary key(keyc)) engine = innodb;
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begin;
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call populate_t1();
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delete from t1 where keyc < 20000;
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update t1 set c1 = 'mysql' where keyc > 20000;
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update t1 set c2 = 'oracle' where keyc > 20000;
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set global debug = "+d,ib_undo_trunc_before_ddl_log_end";
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commit;
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set global innodb_fast_shutdown=0;
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Pattern "ib_undo_trunc_before_ddl_log_end" found
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# restart
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drop table t1;
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create table t1
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(keyc int, c1 char(100), c2 char(100),
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primary key(keyc)) engine = innodb;
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begin;
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call populate_t1();
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delete from t1 where keyc < 20000;
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update t1 set c1 = 'mysql' where keyc > 20000;
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update t1 set c2 = 'oracle' where keyc > 20000;
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set global debug = "+d,ib_undo_trunc_trunc_done";
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commit;
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set global innodb_fast_shutdown=0;
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Pattern "ib_undo_trunc_trunc_done" found
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# restart
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drop table t1;
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drop PROCEDURE populate_t1;
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