Manual merge of mysql-5.1-bugteam to mysql-trunk-merge.

Conflicts:

Text conflict in mysql-test/r/explain.result
Text conflict in mysql-test/t/explain.test
Text conflict in sql/net_serv.cc
Text conflict in sql/sp_head.cc
Text conflict in sql/sql_priv.h

3 files changed, 54 insertions, 4 deletions

diff --git a/mysql-test/t/explain.test b/mysql-test/t/explain.test
index 30366f6f67e..72406110de1 100644
--- a/mysql-test/t/explain.test
+++ b/mysql-test/t/explain.test
@@ -210,4 +210,17 @@ explain extended select * from t1 where f1=1;
 explain extended select * from t1 join t2 on f1=f2 where f1=1;
 drop table t1,t2;
 
+--echo #
+--echo # Bug #48419: another explain crash..
+--echo #
+CREATE TABLE t1 (a INT);
+CREATE TABLE t2 (b BLOB, KEY b(b(100)));
+INSERT INTO t2 VALUES ('1'), ('2'), ('3');
+
+FLUSH TABLES;
+
+EXPLAIN SELECT 1 FROM t1 WHERE a = (SELECT 1 FROM t1 t JOIN t2 WHERE b <= 1 AND t.a);
+
+DROP TABLE t1, t2;
+
 --echo End of 5.1 tests.
diff --git a/mysql-test/t/loaddata.test b/mysql-test/t/loaddata.test
index e5f0a1d7eba..126bd5c8838 100644
--- a/mysql-test/t/loaddata.test
+++ b/mysql-test/t/loaddata.test
@@ -153,10 +153,16 @@ select * from t1;
 #
 # It should not be possible to load from a file outside of vardir
 
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
-show variables like "secure_file_pri%";
---replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
-select @@secure_file_priv;
+## The following lines were disabled because of patch for
+## bug 50373. MYSQLTEST_VARDIR doesn't rewrite symlinks
+## to real paths, but this is done for secure_file_priv.
+## Because of this the result can't be replaced if the
+## test suite runs with the --mem option which creates
+## symlinks to the ramdisk.
+#--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+#show variables like "secure_file_pri%";
+#--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
+#select @@secure_file_priv;
 --error 1238
 set @@secure_file_priv= 0;
 
diff --git a/mysql-test/t/trigger.test b/mysql-test/t/trigger.test
index e929b4b39cc..2eb086cace5 100644
--- a/mysql-test/t/trigger.test
+++ b/mysql-test/t/trigger.test
@@ -2439,6 +2439,37 @@ UPDATE t1 SET id=NULL;
 DROP TRIGGER t1_bu;
 DROP TABLE t1,t2;
 
+--echo #
+--echo # Bug#50755: Crash if stored routine def contains version comments
+--echo #
+
+--disable_warnings
+DROP DATABASE IF EXISTS db1;
+DROP TRIGGER IF EXISTS trg1;
+DROP TABLE IF EXISTS t1, t2;
+--enable_warnings
+
+CREATE DATABASE db1;
+USE db1;
+
+CREATE TABLE t1 (b INT);
+CREATE TABLE t2 (a INT);
+
+CREATE TRIGGER trg1 BEFORE INSERT ON t2 FOR EACH ROW INSERT/*!INTO*/t1 VALUES (1);
+--echo # Used to crash
+SHOW TRIGGERS IN db1;
+--error ER_PARSE_ERROR
+INSERT INTO t2 VALUES (1);
+SELECT * FROM t1;
+
+--echo # Work around Bug#45235
+let $MYSQLD_DATADIR = `select @@datadir`;
+--remove_file $MYSQLD_DATADIR/db1/t2.TRG
+--remove_file $MYSQLD_DATADIR/db1/trg1.TRN
+
+DROP DATABASE db1;
+USE test;
+
 --echo End of 5.1 tests.