alter-table-pg_fast-linux_2.4.2_64gb_smp_i686-cmp-mysql,pg

开启mysql的远程连接的方法 mysql-noinstall-5.1.6-alpha-win32.zip

Testing server 'PostgreSQL version 7.1.2' at 2001-06-11 17:54:48

Testing of ALTER TABLE
Testing with 1000 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000) 1 wallclock secs ( 0.30 usr  0.03 sys +  0.00 cusr  0.00 csys =  0.33 CPU)

Time for alter_table_add (992): 48 wallclock secs ( 0.32 usr  0.03 sys +  0.00 cusr  0.00 csys =  0.35 CPU)

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

Time for drop_index (8):  1 wallclock secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 CPU)

Total time: 51 wallclock secs ( 0.63 usr  0.06 sys +  0.00 cusr  0.00 csys =  0.69 CPU)