Testing server 'PostgreSQL version ???' at 2000-12-05 5:20:15 Testing of ALTER TABLE Testing with 1000 columns and 1000 rows in 20 steps Insert data into the table Time for insert (1000) 0 wallclock secs ( 0.28 usr 0.06 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for alter_table_add (992): 28 wallclock secs ( 0.41 usr 0.03 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for create_index (8): 1 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Time for drop_index (8): 0 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU) Total time: 29 wallclock secs ( 0.71 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.00 CPU)