- Disable the "prefer full scan on clustered primary key over full scan
of any secondary key" rule introduced by BUG#35850.
- Update test results accordingly
(bk trigger: file this for BUG#35850)
mysql-test/r/innodb.result:
BUG#35850 "Performance regression in 5.1.23/5.1.24"
- Update test results
mysql-test/r/innodb_mysql.result:
BUG#35850 "Performance regression in 5.1.23/5.1.24"
- Testcase
- Update test results
mysql-test/r/join_outer_innodb.result:
BUG#35850 "Performance regression in 5.1.23/5.1.24"
- Update test results
mysql-test/t/innodb_mysql.test:
BUG#35850 "Performance regression in 5.1.23/5.1.24"
- Testcase
sql/sql_select.cc:
BUG#35850 "Performance regression in 5.1.23/5.1.24"
- Disable the "prefer full scan on clustered primary key over full scan
of any secondary key" rule introduced by BUG#35850.
and auto_increment keys
Problems:
1. ALTER TABLE ... ORDER BY... doesn't make sence if there's a
user-defined clustered index in the table.
2. using a secondary index is slower than using a clustered one
for a table scan.
Fixes:
1. raise a warning.
2. use the clustered index.
mysql-test/include/mix1.inc:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- test case.
mysql-test/r/innodb.result:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- results adjusted.
mysql-test/r/innodb_mysql.result:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- results adjusted.
mysql-test/r/join_outer_innodb.result:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- results adjusted.
sql/sql_select.cc:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- use the clustered index for a table scan (if any) as it's faster than
using a secondary index.
sql/sql_table.cc:
Fix for bug #26447: "ALTER TABLE .. ORDER" does not work with InnoDB
and auto_increment keys
- ALTER TABLE ... ORDER BY doesn't make sence if there's a
user-defined clustered index in the table. Ignore it in such cases
and raise a warning.
Fix merge problem
mysql-test/r/join_outer_innodb.result:
Update test result
mysql-test/t/group_min_max.test:
Add missing drop table (lost during merge)
mysql-test/r/join_outer_innodb.result:
New BitKeeper file ``mysql-test/r/join_outer_innodb.result''
mysql-test/t/join_outer_innodb.test:
New BitKeeper file ``mysql-test/t/join_outer_innodb.test''
