--source include/have_innodb.inc --source include/big_test.inc --source include/not_valgrind.inc --source include/not_embedded.inc --source include/have_innodb_16k.inc --echo Testing tables with large records # Create table. CREATE TABLE t1 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(256), c VARCHAR(256), KEY SECOND(a, b,c)) ENGINE=INNODB; # Populate table. INSERT INTO t1 VALUES (1, REPEAT('A', 256), REPEAT('B', 256)); INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; INSERT INTO t1 (b) SELECT b from t1; --disable_query_log let $size = 10; while ($size) { let $j = 100 * $size; eval delete from t1 where a between $j - 20 and $j + 5; dec $size; } --enable_query_log SET GLOBAL innodb_fast_shutdown = 0; --source include/restart_mysqld.inc optimize table t1; select count(*) from t1; --let $primary_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1) select count(*) from t1 force index (second); --let $second_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1) --echo # A few more insertions on the page should not cause a page split. insert into t1 values (81, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (83, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (87, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (82, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (86, REPEAT('A', 256), REPEAT('B', 256)); --let $primary_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1) --let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1) if ($primary_before != $primary_after) { --echo Insertion caused page split on primary, which should be avoided by innodb_defragment_fill_factor. } if ($second_before != $second_after) { --echo Insertion caused page split on second, which should be avoided by innodb_defragment_fill_factor. } --echo # Insert more rows to cause a page split insert into t1 values (180, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (181, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (182, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (183, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (184, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (185, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (186, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (187, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (188, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (189, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (190, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (191, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (192, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (193, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (194, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (195, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (196, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (197, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (198, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (199, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (200, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (201, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (202, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (203, REPEAT('A', 256), REPEAT('B', 256)); insert into t1 values (204, REPEAT('A', 256), REPEAT('B', 256)); --let $primary_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'PRIMARY', Value, 1) --let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t1%' and index_name = 'second', Value, 1) if ($primary_before == $primary_after) { --echo Too little space is reserved on primary index. } if ($second_before == $second_after) { --echo Too little space is reserved on second index. } DROP TABLE t1; --echo Testing table with small records CREATE TABLE t2 (a INT NOT NULL PRIMARY KEY AUTO_INCREMENT, b VARCHAR(16), c VARCHAR(32), KEY SECOND(a,b,c)) ENGINE=INNODB; # Populate table. --disable_query_log INSERT INTO t2 VALUES (1, REPEAT('A', 16), REPEAT('B', 32)); INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; INSERT INTO t2 (b) SELECT b from t2; --enable_query_log --disable_query_log let $size = 40; while ($size) { let $j = 100 * $size; eval delete from t2 where a between $j - 20 and $j; dec $size; } --enable_query_log SET GLOBAL innodb_fast_shutdown = 0; --source include/restart_mysqld.inc optimize table t2; select count(*) from t2; select count(*) from t2 force index(second); --let $second_before = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1) --echo The page should have room for about 20 insertions insert into t2 values(1181, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1191, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1182, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1192, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1183, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1193, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1184, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1194, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1185, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1195, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1186, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1196, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1187, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1197, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1188, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1198, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1189, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1199, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1190, REPEAT('A', 16), REPEAT('B',32)); insert into t2 values(1180, REPEAT('A', 16), REPEAT('B',32)); --let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1) if ($second_before != $second_after) { --echo Insertion caused page split on second, which should be avoided by innodb_defragment_fill_factor. } --echo # Insert more rows to cause a page split insert into t2 values (180, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (181, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (182, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (183, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (184, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (185, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (186, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (187, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (188, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (189, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (190, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (191, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (192, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (193, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (194, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (195, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (196, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (197, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (198, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (199, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (200, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (201, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (202, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (203, REPEAT('A', 16), REPEAT('B', 32)); insert into t2 values (204, REPEAT('A', 16), REPEAT('B', 32)); --let $second_after = query_get_value(select count(*) as Value from information_schema.innodb_buffer_page where table_name like '%t2%' and index_name = 'second', Value, 1) if ($second_before == $second_after) { --echo Too little space is reserved on second index. } DROP TABLE t2;