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Quoting of TIMESTAMP columns and small optimizations

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monty@donna.mysql.com 2000-09-02 07:58:42 +03:00
commit 4496d43faa
23 changed files with 365 additions and 325 deletions
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sql-bench/Results/alter-table-mysql-NT_4.0
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Testing server 'MySQL 3.23.17a alpha' at 2000-06-02 16:59:02
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 ( 0.13 usr 0.13 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for alter_table_add (992): 1201 wallclock secs ( 0.53 usr 0.19 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for create_index (8): 25 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for drop_index (8): 25 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for alter_table_drop (496): 1009 wallclock secs ( 0.23 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Total time: 2260 wallclock secs ( 0.89 usr 0.42 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Testing server 'MySQL 3.23.23 beta' at 2000-09-01 0:45:18
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 ( 0.13 usr 0.09 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for alter_table_add (992): 1228 wallclock secs ( 0.55 usr 0.17 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for create_index (8): 25 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for drop_index (8): 27 wallclock secs ( 0.00 usr 0.00 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Time for alter_table_drop (496): 1033 wallclock secs ( 0.17 usr 0.08 sys + 0.00 cusr 0.00 csys = 0.00 CPU)
Total time: 2313 wallclock secs ( 0.84 usr 0.34 sys + 0.00 cusr 0.00 csys = 0.00 CPU)