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--source include/galera_cluster.inc
--source include/have_innodb.inc
--connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1
#
# Test 1: statement rollback is not safe.
# Statement has already replicated some fragments
#
--connection node_1
SET SESSION wsrep_trx_fragment_size = 1;
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY);
CREATE TABLE t2 (f1 INTEGER PRIMARY KEY);
INSERT INTO t2 VALUES (1),(2),(3);
ALTER TABLE t2 DROP PRIMARY KEY;
INSERT INTO t2 VALUES (1);
SET SESSION wsrep_trx_fragment_size = 1;
START TRANSACTION;
# The following INSERT .. SELECT inserts a duplicate key,
# ER_LOCK_DEADLOCK is the only possible outcome at this point.
# Notice that ER_DUP_ENTRY is NOT an option here because we were
# forced to rollback the whole transaction (not just the statement)
--error ER_LOCK_DEADLOCK
INSERT INTO t1 SELECT * FROM t2;
SELECT * FROM t1;
--connection node_2
SELECT * FROM t1;
--connection node_1
DROP TABLE t1;
DROP TABLE t2;
#
# Test 2: statement rollback is safe.
# Fragments were already replicated, not in the same statement
#
CREATE TABLE t1 (f1 INTEGER PRIMARY KEY AUTO_INCREMENT, f2 CHAR(10)) ENGINE=InnoDB;
--connection node_1
SET innodb_snapshot_isolation = OFF;
SET SESSION wsrep_trx_fragment_size = 1;
START TRANSACTION;
INSERT INTO t1 VALUES (1, 'node1');
--connection node_1a
INSERT INTO t1 VALUES (5, 'node2');
--connection node_1
# Only the statement is rolled back, expect ER_DUP_ENTRY
--error ER_DUP_ENTRY
INSERT INTO t1 VALUES (5, 'node1');
SELECT * FROM t1;
#
# Test 3: statement rollback is safe
# No fragments have been replicated
#
SET SESSION wsrep_trx_fragment_size = 10000;
START TRANSACTION;
INSERT INTO t1 VALUE (10, 'node1');
--connection node_1a
INSERT INTO t1 VALUES(15, 'node2');
--connection node_1
SELECT * FROM t1;
# This time, only the statement is rolled back and we expect ER_DUP_ENTRY.
--error ER_DUP_ENTRY
INSERT INTO t1 VALUES(15, 'node1');
COMMIT;
SELECT * FROM t1;
DROP TABLE t1;
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