# ticket 895 is a query optimization problem with the primary key --source include/have_tokudb.inc SET DEFAULT_STORAGE_ENGINE = 'tokudb'; --disable_warnings DROP TABLE IF EXISTS foo; --enable_warnings create table foo ( a int, b int, c int); insert into foo values (1,1,1),(1,2,2),(1,3,3),(2,1,1),(2,2,2),(2,3,3),(3,1,1),(3,2,2),(3,3,3); insert into foo values (4,4,1),(4,5,2),(4,6,3),(5,4,1),(5,5,2),(5,6,3),(6,4,1),(6,5,2),(6,6,3); insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; insert into foo select * from foo; select count(*) from foo; alter table foo add index (a), add index (b); # ignore rows column --replace_column 9 NULL; explain select * from foo where a=2 and b=2; alter table foo drop index a; alter table foo add clustering index (a); # ignore rows column --replace_column 9 NULL; explain select * from foo where a=2 and b=2; alter table foo drop index a; alter table foo drop index b; alter table foo add index (a); alter table foo add clustering index(b); # ignore rows column --replace_column 9 NULL; explain select * from foo where a=2 and b=2; alter table foo drop index a; alter table foo drop index b; alter table foo add clustering index (a), add clustering index (b); # ignore rows column --replace_column 9 NULL; explain select * from foo where a=2 and b=2; # Final cleanup. DROP TABLE foo;