alter-table-frontbase-linux_2.2.14_my_smp_i686-cmp-frontbase,mysql

来自「开启mysql的远程连接的方法 mysql-noinstall-5.1.6-al」· 14_MY_SMP_I686-CMP-FRONTBASE,MYSQL 代码 · 共 15 行

Testing server '2.1' at 2000-11-23 16:22:34

Testing of ALTER TABLE
Testing with 1000 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000) 4 wallclock secs ( 0.42 usr  0.29 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Time for alter_table_add (992): 1018 wallclock secs ( 0.71 usr  0.41 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Time for create_index (8):  5 wallclock secs ( 0.00 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Time for drop_index (8):  0 wallclock secs ( 0.00 usr  0.01 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Total time: 1033 wallclock secs ( 1.13 usr  0.72 sys +  0.00 cusr  0.00 csys =  0.00 CPU)