mariadb/mysql-test/r/count_distinct2.result

n1
1
2
NULL
count(distinct n1)
2
n2
11
12
13
NULL
count(distinct n2)
3
s
one
two
NULL
count(distinct s)
2
vs
eleven
twevle
thirteen
NULL
count(distinct vs)
3
t
eleven
twelve
foo
bar
NULL
count(distinct t)
4
n1	n2
1	11
2	11
2	12
2	13
NULL	13
2	NULL
count(distinct n1,n2)
4
n1	s
1	one
2	two
NULL	two
2	NULL
count(distinct n1,s)
2
s	n1	vs
one	1	eleven
two	2	eleven
two	2	twevle
two	2	thirteen
two	NULL	thirteen
NULL	2	thirteen
two	2	NULL
count(distinct s,n1,vs)
4
s	t
one	eleven
two	eleven
two	twelve
two	foo
two	bar
NULL	bar
two	NULL
count(distinct s,t)
5
count(distinct n1)	count(distinct n2)
2	3
count(distinct n2)	n1
1	NULL
1	1
3	2
count(distinct n)
5000
Variable_name	Value
Created_tmp_disk_tables	1
count(distinct s)
5000
Variable_name	Value
Created_tmp_disk_tables	1
fixes/optimizations for count(distinct) more extensive testing of count(distinct) sql/item_sum.cc: fixes/optimizations for count(distinct) 2001-05-12 17:52:54 -06:00			`n1`
			`1`
			`2`
			`NULL`
			`count(distinct n1)`
			`2`
			`n2`
			`11`
			`12`
			`13`
			`NULL`
			`count(distinct n2)`
			`3`
			`s`
			`one`
			`two`
			`NULL`
			`count(distinct s)`
			`2`
			`vs`
			`eleven`
			`twevle`
			`thirteen`
			`NULL`
			`count(distinct vs)`
			`3`
			`t`
			`eleven`
			`twelve`
			`foo`
			`bar`
			`NULL`
			`count(distinct t)`
			`4`
			`n1 n2`
			`1 11`
			`2 11`
			`2 12`
			`2 13`
			`NULL 13`
			`2 NULL`
			`count(distinct n1,n2)`
			`4`
			`n1 s`
			`1 one`
			`2 two`
			`NULL two`
			`2 NULL`
			`count(distinct n1,s)`
			`2`
			`s n1 vs`
			`one 1 eleven`
			`two 2 eleven`
			`two 2 twevle`
			`two 2 thirteen`
			`two NULL thirteen`
			`NULL 2 thirteen`
			`two 2 NULL`
			`count(distinct s,n1,vs)`
			`4`
			`s t`
			`one eleven`
			`two eleven`
			`two twelve`
			`two foo`
			`two bar`
			`NULL bar`
			`two NULL`
			`count(distinct s,t)`
			`5`
			`count(distinct n1) count(distinct n2)`
			`2 3`
option to free_root() to not my_free() the blocks fixed bug/updated count_distinct2 test changed reset in count distinct to avoid calls to my_free() include/my_sys.h: option to free_root() not to do my_free() include/my_tree.h: reset_tree() mysql-test/r/count_distinct2.result: added group by test mysql-test/t/count_distinct2.test: group by test + fixed bug - need to drop table mysys/my_alloc.c: mark_blocks_free() mysys/tree.c: reset_tree() sql/item_sum.cc: in count distinct reset_tree instead of delete_tree 2001-05-12 19:50:51 -06:00			`count(distinct n2) n1`
			`1 NULL`
			`1 1`
			`3 2`
handle tree overflow in count(distinct) test heap table/tree overflow in count(distinct) mysql-test/r/count_distinct2.result: added test for tree/heap table overflow mysql-test/t/count_distinct2.test: test tree/heap table overflow sql/item_sum.cc: handle tree overflow in count(distinct) sql/item_sum.h: t 2001-05-24 17:06:53 -06:00			`count(distinct n)`
			`5000`
			`Variable_name Value`
			`Created_tmp_disk_tables 1`
			`count(distinct s)`
			`5000`
			`Variable_name Value`
			`Created_tmp_disk_tables 1`