Testing server 'PostgreSQL version 7.1.2' at 2001-06-12 1:16:18 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 ( 0.27 usr 0.04 sys + 0.00 cusr 0.00 csys = 0.31 CPU) Time for alter_table_add (992): 48 wallclock secs ( 0.31 usr 0.04 sys + 0.00 cusr 0.00 csys = 0.35 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: 50 wallclock secs ( 0.58 usr 0.08 sys + 0.00 cusr 0.00 csys = 0.66 CPU)