Skip to content

M
mariadb
Commit 019288c6 authored by patg@radha.local's avatar patg@radha.local
Browse files
Options

Merge pgalbraith@bk-internal.mysql.com:/home/bk/mysql-5.0 

into radha.local:/Users/patg/mysql-5.0
parents 8e09a3b8 d3d727e3
Show whitespace changes
Inline Side-by-side
Showing with 163 additions and 4 deletions
BitKeeper/etc/logging_ok
View file @ 019288c6
......@@ -205,6 +205,7 @@ patg@krsna.
patg@krsna.patg.net
patg@patrick-galbraiths-computer.local
patg@pc248.lfp.kcls.org
patg@radha.local
paul@central.snake.net
paul@frost.snake.net
paul@ice.local
......
mysql-test/r/federated.result
View file @ 019288c6
......@@ -906,9 +906,100 @@ INSERT INTO federated.t1 (name, country_id, other) VALUES ('Lenz', 2, 22222);
INSERT INTO federated.t1 (name, country_id, other) VALUES ('Marizio', 3, 33333);
INSERT INTO federated.t1 (name, country_id, other) VALUES ('Monty', 4, 33333);
INSERT INTO federated.t1 (name, country_id, other) VALUES ('Sanja', 5, 33333);
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1, federated.countries WHERE
federated.t1.country_id = federated.countries.id;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE countries ALL PRIMARY NULL NULL NULL 5
1 SIMPLE t1 ref country_id country_id 4 federated.countries.id 120
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1, federated.countries WHERE
federated.t1.country_id = federated.countries.id;
name country_id other country
Kumar 1 11111 India
Lenz 2 22222 Germany
Marizio 3 33333 Italy
Monty 4 33333 Finland
Sanja 5 33333 Ukraine
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE countries ALL PRIMARY NULL NULL NULL 5
1 SIMPLE t1 ref country_id country_id 4 federated.countries.id 120
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id;
name country_id other country
Kumar 1 11111 India
Lenz 2 22222 Germany
Marizio 3 33333 Italy
Monty 4 33333 Finland
Sanja 5 33333 Ukraine
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id
WHERE federated.t1.name = 'Monty';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE countries ALL PRIMARY NULL NULL NULL 5
1 SIMPLE t1 ref country_id country_id 4 federated.countries.id 120 Using where
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id
WHERE federated.t1.name = 'Monty';
name country_id other country
Monty 4 33333 Finland
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.id;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10000 Using temporary; Using filesort
1 SIMPLE countries eq_ref PRIMARY PRIMARY 4 federated.t1.country_id 1
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.id;
id country_id name other country
1 1 Kumar 11111 India
2 2 Lenz 22222 Germany
3 3 Marizio 33333 Italy
4 4 Monty 33333 Finland
5 5 Sanja 33333 Ukraine
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.country;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 10000 Using temporary; Using filesort
1 SIMPLE countries eq_ref PRIMARY PRIMARY 4 federated.t1.country_id 1
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.country;
id country_id name other country
4 4 Monty 33333 Finland
2 2 Lenz 22222 Germany
1 1 Kumar 11111 India
3 3 Marizio 33333 Italy
5 5 Sanja 33333 Ukraine
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 RIGHT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.t1.country_id;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE countries ALL NULL NULL NULL NULL 5 Using temporary; Using filesort
1 SIMPLE t1 ref country_id country_id 4 federated.countries.id 120
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 left join federated.countries
ON federated.t1.country_id = federated.countries.id;
FROM federated.t1 RIGHT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.t1.country_id;
id country_id name other country
1 1 Kumar 11111 India
2 2 Lenz 22222 Germany
......
mysql-test/t/federated.test
View file @ 019288c6
......@@ -861,9 +861,70 @@ INSERT INTO federated.t1 (name, country_id, other) VALUES ('Marizio', 3, 33333);
INSERT INTO federated.t1 (name, country_id, other) VALUES ('Monty', 4, 33333);
INSERT INTO federated.t1 (name, country_id, other) VALUES ('Sanja', 5, 33333);
#inner join
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1, federated.countries WHERE
federated.t1.country_id = federated.countries.id;
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1, federated.countries WHERE
federated.t1.country_id = federated.countries.id;
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id;
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id;
EXPLAIN SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id
WHERE federated.t1.name = 'Monty';
SELECT federated.t1.name AS name, federated.t1.country_id AS country_id,
federated.t1.other AS other, federated.countries.country AS country
FROM federated.t1 INNER JOIN federated.countries ON
federated.t1.country_id = federated.countries.id
WHERE federated.t1.name = 'Monty';
#left join
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.id;
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.id;
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.country;
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 LEFT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.countries.country;
#right join
EXPLAIN SELECT federated.t1.*, federated.countries.country
FROM federated.t1 RIGHT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.t1.country_id;
SELECT federated.t1.*, federated.countries.country
FROM federated.t1 left join federated.countries
ON federated.t1.country_id = federated.countries.id;
FROM federated.t1 RIGHT JOIN federated.countries
ON federated.t1.country_id = federated.countries.id
ORDER BY federated.t1.country_id;
DROP TABLE federated.countries;
......
sql/ha_federated.cc
View file @ 019288c6
......@@ -1526,6 +1526,12 @@ int ha_federated::index_read_idx(byte *buf, uint index, const byte *key,
table->status= STATUS_NOT_FOUND;
DBUG_RETURN(mysql_errno(mysql));
}
/*
This basically says that the record in table->record[0] is legal, and that it is
ok to use this record, for whatever reason, such as with a join (without it, joins
will not work)
*/
table->status=0;
DBUG_RETURN(rnd_next(buf));
}
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7