Re-applying the work initially done by Brian, and since worked upon by me previously in several separate patches to the 5.1 parent but never pushed.

WL#2952 - add simple single-table only transactions to federated.


sql/ha_federated.cc:
  added handlerton functions for commit and rollback, added handler methods for same.
sql/ha_federated.h:
  added member variable for transaction data (linked list of federated handlers used in transaction) and member functions for support commit and rollback.
mysql-test/r/federated_transactions.result:
  New BitKeeper file ``mysql-test/r/federated_transactions.result''
mysql-test/t/federated_transactions.test:
  New BitKeeper file ``mysql-test/t/federated_transactions.test''

1 files changed, 49 insertions, 0 deletions

diff --git a/mysql-test/r/federated_transactions.result b/mysql-test/r/federated_transactions.result
new file mode 100644
index 00000000000..403b65b5484
--- /dev/null
+++ b/mysql-test/r/federated_transactions.result
@@ -0,0 +1,49 @@
+stop slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+start slave;
+stop slave;
+DROP DATABASE IF EXISTS federated;
+CREATE DATABASE federated;
+DROP DATABASE IF EXISTS federated;
+CREATE DATABASE federated;
+DROP TABLE IF EXISTS federated.t1;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE federated.t1 (
+`id` int(20) NOT NULL,
+`name` varchar(32) NOT NULL default ''
+    )
+DEFAULT CHARSET=latin1 ENGINE=BerkeleyDB;
+DROP TABLE IF EXISTS federated.t1;
+Warnings:
+Note	1051	Unknown table 't1'
+CREATE TABLE federated.t1 (
+`id` int(20) NOT NULL,
+`name` varchar(32) NOT NULL default ''
+    )
+ENGINE="FEDERATED" DEFAULT CHARSET=latin1
+CONNECTION='mysql://root@127.0.0.1:SLAVE_PORT/federated/t1';
+set autocommit=0;
+INSERT INTO federated.t1 (id, name) VALUES (1, 'foo');
+INSERT INTO federated.t1 (id, name) VALUES (2, 'fee');
+COMMIT;
+INSERT INTO federated.t1 (id, name) VALUES (3, 'fie');
+INSERT INTO federated.t1 (id, name) VALUES (4, 'fum');
+ROLLBACK;
+set autocommit=1;
+INSERT INTO federated.t1 (id, name) VALUES (5, 'foe');
+INSERT INTO federated.t1 (id, name) VALUES (6, 'fig');
+SELECT * FROM federated.t1;
+id	name
+1	foo
+2	fee
+5	foe
+6	fig
+DELETE FROM federated.t1;
+DROP TABLE IF EXISTS federated.t1;
+DROP DATABASE IF EXISTS federated;
+DROP TABLE IF EXISTS federated.t1;
+DROP DATABASE IF EXISTS federated;