merge: 5.1 -> 5.1-rpl

conflicts:
  Text conflict in client/mysqltest.cc
  Text conflict in mysql-test/include/wait_until_connected_again.inc
  Text conflict in mysql-test/lib/mtr_report.pm
  Text conflict in mysql-test/mysql-test-run.pl
  Text conflict in mysql-test/r/events_bugs.result
  Text conflict in mysql-test/r/log_state.result
  Text conflict in mysql-test/r/myisam_data_pointer_size_func.result
  Text conflict in mysql-test/r/mysqlcheck.result
  Text conflict in mysql-test/r/query_cache.result
  Text conflict in mysql-test/r/status.result
  Text conflict in mysql-test/suite/binlog/r/binlog_index.result
  Text conflict in mysql-test/suite/binlog/r/binlog_innodb.result
  Text conflict in mysql-test/suite/rpl/r/rpl_packet.result
  Text conflict in mysql-test/suite/rpl/t/rpl_packet.test
  Text conflict in mysql-test/t/disabled.def
  Text conflict in mysql-test/t/events_bugs.test
  Text conflict in mysql-test/t/log_state.test
  Text conflict in mysql-test/t/myisam_data_pointer_size_func.test
  Text conflict in mysql-test/t/mysqlcheck.test
  Text conflict in mysql-test/t/query_cache.test
  Text conflict in mysql-test/t/rpl_init_slave_func.test
  Text conflict in mysql-test/t/status.test

1 files changed, 62 insertions, 0 deletions

diff --git a/mysql-test/r/query_cache_28249.result b/mysql-test/r/query_cache_28249.result
new file mode 100644
index 00000000000..aed84911032
--- /dev/null
+++ b/mysql-test/r/query_cache_28249.result
@@ -0,0 +1,62 @@
+SET @query_cache_type=         @@global.query_cache_type;
+SET @query_cache_limit=        @@global.query_cache_limit;
+SET @query_cache_min_res_unit= @@global.query_cache_min_res_unit;
+SET @query_cache_size=         @@global.query_cache_size;
+# Bug#28249 Query Cache returns wrong result with concurrent insert/ certain lock
+# Establish connections user1,user2,user3 (user=root)
+# Switch to connection user1
+SET GLOBAL query_cache_type=1;
+SET GLOBAL query_cache_limit=10000;
+SET GLOBAL query_cache_min_res_unit=0;
+SET GLOBAL query_cache_size= 100000;
+FLUSH TABLES;
+DROP TABLE IF EXISTS t1, t2;
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (a INT);
+INSERT INTO t1 VALUES (1),(2),(3);
+# Switch to connection user2
+LOCK TABLE t2 WRITE;
+# Switch to connection user1
+# "send" the next select, "reap" the result later.
+# The select will be blocked by the write lock on the t1.
+SELECT *, (SELECT COUNT(*) FROM t2) FROM t1;
+# Switch to connection user3
+# Poll till the select of connection user1 is blocked by the write lock on t1.
+SELECT user,command,state,info FROM information_schema.processlist
+WHERE state = 'Locked'
+  AND info = 'SELECT *, (SELECT COUNT(*) FROM t2) FROM t1';
+user	command	state	info
+root	Query	Locked	SELECT *, (SELECT COUNT(*) FROM t2) FROM t1
+INSERT INTO t1 VALUES (4);
+# Switch to connection user2
+UNLOCK TABLES;
+# Switch to connection user1
+# Collecting ("reap") the result from the previously blocked select.
+# The printing of the result (varies between 3 and 4 rows) set has to be suppressed.
+# Switch to connection user3
+# The next select enforces that effects of "concurrent_inserts" like the
+# record with a = 4 is missing in result sets can no more happen.
+SELECT 1 FROM t1 WHERE a = 4;
+1
+1
+# Switch to connection user1
+# The next result set must contain 4 rows.
+SELECT *, (SELECT COUNT(*) FROM t2) FROM t1;
+a	(SELECT COUNT(*) FROM t2)
+1	0
+2	0
+3	0
+4	0
+RESET QUERY CACHE;
+SELECT *, (SELECT COUNT(*) FROM t2) FROM t1;
+a	(SELECT COUNT(*) FROM t2)
+1	0
+2	0
+3	0
+4	0
+DROP TABLE t1,t2;
+# Switch to connection default + close connections user1,user2,user3
+SET GLOBAL query_cache_type=         @query_cache_type;
+SET GLOBAL query_cache_limit=        @query_cache_limit;
+SET GLOBAL query_cache_min_res_unit= @query_cache_min_res_unit;
+SET GLOBAL query_cache_size=         @query_cache_size;