Testing server 'MySQL 3.22.18' at 1999-03-01 10:45:01

Testing of ALTER TABLE
Testing with 1000 columns and 1000 rows in 20 steps
Insert data into the table
Time for insert (1000) 1 secs ( 0.08 usr  0.11 sys +  0.00 cusr  0.00 csys =  0.19 cpu)

Time for alter_table_add (992): 625 secs ( 0.07 usr  0.11 sys +  0.00 cusr  0.00 csys =  0.18 cpu)

Time for create_index (8):  9 secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 cpu)

Time for drop_index (8):  8 secs ( 0.00 usr  0.00 sys +  0.00 cusr  0.00 csys =  0.00 cpu)

Time for alter_table_drop (496): 418 secs ( 0.09 usr  0.05 sys +  0.00 cusr  0.00 csys =  0.14 cpu)

Total time: 1061 secs ( 0.25 usr  0.27 sys +  0.00 cusr  0.00 csys =  0.52 cpu)