File: range_debug.result

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file content (24 lines) | stat: -rw-r--r-- 752 bytes parent folder | download | duplicates (8) 
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create table t1 (a int);
insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
create table t2 (a int, key(a));
insert into t2 select 2*(A.a + 10*(B.a + 10*C.a)) from t1 A, t1 B, t1 C;
set in_predicate_conversion_threshold= 2000;
set @a="select * from t2 force index (a) where a NOT IN(0";
select count(*) from (select @a:=concat(@a, ',', a) from t2 ) Z;
count(*)
1000
set @a=concat(@a, ')');
insert into t2 values (11),(13),(15);
set @b= concat("explain ", @a);
prepare stmt1 from @b;
execute stmt1;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t2	index	a	a	5	NULL	1003	Using where; Using index
prepare stmt1 from @a;
execute stmt1;
a
11
13
15
set in_predicate_conversion_threshold= default;
drop table t1, t2;