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
|
connect master,127.0.0.1,root,,test,$MASTER_MYPORT,;
connect slave,127.0.0.1,root,,test,$SLAVE_MYPORT,;
connection master;
CREATE DATABASE federated;
connection slave;
CREATE DATABASE federated;
connection default;
#
# MDEV-14907 FEDERATEDX doesn't respect DISTINCT
#
CREATE TABLE t1 (
`foo_id` bigint(20) unsigned NOT NULL,
`foo_name` varchar(255) DEFAULT NULL,
`parent_foo_id` bigint(20) unsigned DEFAULT NULL,
PRIMARY KEY (`foo_id`),
KEY `foo_name` (`foo_name`),
KEY `parent_foo_id` (`parent_foo_id`)
) DEFAULT CHARSET=utf8;
CREATE TABLE `fed_t1` ENGINE=FEDERATED DEFAULT CHARSET=utf8 CONNECTION='mysql://root@127.0.0.1:MASTER_PORT/test/t1';
INSERT INTO t1 VALUES (968903, 'STRING - 0', 822857);
INSERT INTO t1 VALUES (968953, 'STRING - 1', 822857);
INSERT INTO t1 VALUES (971603, 'STRING - 2', 822857);
INSERT INTO t1 VALUES (971803, 'STRING - 3', 822857);
INSERT INTO t1 VALUES (975103, 'STRING - 4', 822857);
INSERT INTO t1 VALUES (822857, 'STRING', NULL);
select foo_id,parent_foo_id,foo_name from t1 where parent_foo_id = 822857 or foo_name like 'STRING%';
foo_id parent_foo_id foo_name
968903 822857 STRING - 0
968953 822857 STRING - 1
971603 822857 STRING - 2
971803 822857 STRING - 3
975103 822857 STRING - 4
822857 NULL STRING
explain
select foo_id,parent_foo_id,foo_name from fed_t1 where parent_foo_id = 822857 or foo_name like 'STRING%';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE fed_t1 ALL foo_name,parent_foo_id NULL NULL NULL 6 Using where
select foo_id,parent_foo_id,foo_name from fed_t1 where parent_foo_id = 822857 or foo_name like 'STRING%';
foo_id parent_foo_id foo_name
968903 822857 STRING - 0
968953 822857 STRING - 1
971603 822857 STRING - 2
971803 822857 STRING - 3
975103 822857 STRING - 4
822857 NULL STRING
DROP TABLE fed_t1, t1;
connection master;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
connection slave;
DROP TABLE IF EXISTS federated.t1;
DROP DATABASE IF EXISTS federated;
|
