Current Path : /home/usr.opt/mysql57/mysql-test/t/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //home/usr.opt/mysql57/mysql-test/t/filesort_pack.test |
CREATE TABLE t1 ( id int(10) unsigned NOT NULL auto_increment, k int(10) unsigned NOT NULL default '0', c char(120) NOT NULL default '', pad char(60) NOT NULL default '', PRIMARY KEY (id), KEY k (k) ) engine=innodb; --disable_query_log let $count= 140; while ($count) { eval insert into t1(id, k) values ($count, $count); dec $count; } --enable_query_log ANALYZE TABLE t1; SET @@session.sort_buffer_size=32768; FLUSH STATUS; SHOW SESSION STATUS LIKE 'Sort%'; --disable_result_log # This is similar to sysbench --oltp-order-ranges --oltp-range-size=1000 # With packed addon fields, we should get Sort_merge_passes = 0 SELECT c FROM t1 WHERE id between 2 and 1002 ORDER BY c; --enable_result_log SHOW SESSION STATUS LIKE 'Sort%'; SET @@session.sort_buffer_size=DEFAULT; DROP TABLE t1;