1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
--source include/have_ndb.inc
--echo #
--echo # Bug#28714864: Running 'analyze' on table with unsupported index length crashes the data nodes
--echo #
--echo #setup
create table t1(
a int auto_increment primary key,
b varchar(3053),
c varchar(3056),
d varchar(3072),
col1 varchar(762) not null,
col2 varchar(762) not null,
col3 varchar(762) not null,
col4 varchar(762) not null
) engine ndb charset latin1;
--echo # populate enough rows to generate index stats
--disable_query_log
insert into t1 (b, c, d, col1, col2, col3, col4)
values (repeat('a', 3051), repeat('b', 3056), repeat('c', 3072),
repeat('d', 762), repeat('e', 762), repeat('f', 762), repeat('g', 762));
insert into t1 (b, c, d, col1, col2, col3, col4)
values (repeat('h', 3051), repeat('i', 3056), repeat('j', 3072),
repeat('k', 762), repeat('l', 762), repeat('m', 762), repeat('n', 762));
let $i = 5;
while ($i)
{
eval insert into t1 (b, c, d, col1, col2, col3, col4)
select b, c, d, col1, col2, col3, col4 from t1;
dec $i;
}
--enable_query_log
--echo # create index on b - it has the maximum key size supported by ndb index stat
create index idxb on t1(b); # max key size = 3056 (col size = 3053, length bytes = 2, nullmask = 1)
--echo # analyze should run fine and create statistics
analyze table t1;
drop index idxb on t1;
--echo # create index on c - it has a key size unsupported by ndb index stat
--echo # a warning should be returned
create index idxc on t1(c); # max key size = 3059 (col size = 3056, length bytes = 2, nullmask = 1)
--echo # analyze should run fine but statistics aren't created
analyze table t1;
drop index idxc on t1;
--echo # create index on d - it has the maximum key size allowed by mysql(3072)
--echo # but the key size is unsupported by ndb index stat
--echo # a warning should be returned
create index idxd on t1(d); # max key size = 3075 (col size = 3072, length bytes = 2, nullmask = 1)
--echo # analyze should run fine but statistics aren't created
analyze table t1;
drop index idxd on t1;
--echo # create index on col1..col4 - it has the maximum key size supported by ndb index stat
# max key size = 3056 (total col size = 3048[762 * 4], length bytes = 8[2 * 4], nullmask = 0)
create index idxcol on t1(col1, col2, col3, col4);
--echo # analyze should run fine
analyze table t1;
drop index idxcol on t1;
--echo #cleanup
drop table t1;
|
