store/restore sql_mode which was in force during ctrigger creation (BUG#5891)

other sql_mode fixes


mysql-test/r/information_schema.result:
  changes in information schema
mysql-test/r/trigger.result:
  storing and restoring sql modes for triggers
mysql-test/t/trigger.test:
  storing and restoring parsing modes for triggers
sql/mysqld.cc:
  add length of mode names
sql/parse_file.cc:
  new type of list (ulonglong)
sql/parse_file.h:
  new type of list (ulonglong)
sql/set_var.cc:
  mode output made as static method
sql/set_var.h:
  mode output made as static method
sql/sp_head.cc:
  added sql_mode storing/restoring during SP execution
  optimised sql_mode printing
sql/sp_head.h:
  comment fixed according this changes
sql/sql_show.cc:
  added sql_mode field
sql/sql_trigger.cc:
  store/restore sql_mode which was in force during ctrigger creation
sql/sql_trigger.h:
  store/restore sql_mode which was in force during ctrigger creation
sql/sql_view.cc:
  fixed sql_mode

1 files changed, 36 insertions, 0 deletions

diff --git a/mysql-test/t/trigger.test b/mysql-test/t/trigger.test
index f6b3c714d28..17f2e85f2e8 100644
--- a/mysql-test/t/trigger.test
+++ b/mysql-test/t/trigger.test
@@ -610,3 +610,39 @@ update t1 set col2 = 4;
 # This should not crash server too.
 drop trigger t1_bu;
 drop table t1;
+
+#
+# storing and restoring parsing modes for triggers (BUG#5891)
+#
+set sql_mode='ansi';
+create table t1 ("t1 column" int);
+create trigger t1_bi before insert on t1 for each row set new."t1 column" = 5;
+set sql_mode=default;
+insert into t1 values (0);
+# create trigger with different sql_mode
+create trigger t1_af after insert on t1 for each row set @a=10;
+insert into t1 values (0);
+select * from t1;
+select @a;
+--replace_column 6 #
+show triggers;
+--replace_column 17 #
+select * from information_schema.triggers;
+drop table t1;
+# check that rigger preserve sql_mode during execution
+set sql_mode="traditional";
+create table t1 (a date);
+-- error 1292
+insert into t1 values ('2004-01-00');
+set sql_mode="";
+create trigger t1_bi before insert on t1 for each row set new.a = '2004-01-00';
+set sql_mode="traditional";
+insert into t1 values ('2004-01-01');
+select * from t1;
+set sql_mode=default;
+show create table t1;
+--replace_column 6 #
+show triggers;
+--replace_column 17 #
+select * from information_schema.triggers;
+drop table t1;