merge with 5.3

sql/sql_insert.cc:
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
  ******
  CREATE ... IF NOT EXISTS may do nothing, but
  it is still not a failure. don't forget to my_ok it.
sql/sql_table.cc:
  small cleanup
  ******
  small cleanup

1 files changed, 8 insertions, 0 deletions

diff --git a/mysql-test/t/mysqldump.test b/mysql-test/t/mysqldump.test
index 3d0e2d47617..19d47a9dac3 100644
--- a/mysql-test/t/mysqldump.test
+++ b/mysql-test/t/mysqldump.test
@@ -6,6 +6,10 @@ call mtr.add_suppression("@003f.frm' \\(errno: 22\\)");
 # Binlog is required
 --source include/have_log_bin.inc
 
+# utf8 is required
+let collation=utf8_unicode_ci;
+--source include/have_collation.inc
+
 # Save the initial number of concurrent sessions
 --source include/count_sessions.inc
 
@@ -657,6 +661,10 @@ a int(10), b varchar(30), c datetime, d blob, e text);
 insert into t1 values (NULL), (10), (20);
 insert into t2 (a, b) values (NULL, NULL),(10, NULL),(NULL, "twenty"),(30, "thirty");
 --exec $MYSQL_DUMP  --skip-comments --xml --no-create-info test
+
+# Test if UNIQUE_CHECK is done correctly
+--exec $MYSQL_DUMP  --skip-comments --no-create-info test
+--exec $MYSQL_DUMP  --skip-comments test
 drop table t1, t2;