Merge

Docs/manual.texi:
  Auto merged
sql/lex.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_table.cc:
  Auto merged
sql/sql_yacc.yy:
  SCCS merged

1 files changed, 20 insertions, 0 deletions

diff --git a/mysql-test/t/alter_table.test b/mysql-test/t/alter_table.test
index da98240c2cf..25cd0de6325 100644
--- a/mysql-test/t/alter_table.test
+++ b/mysql-test/t/alter_table.test
@@ -71,3 +71,23 @@ ALTER TABLE t1 ADD Column new_col int not null;
 UNLOCK TABLES;
 OPTIMIZE TABLE t1;
 DROP TABLE t1;
+drop table if exists t1;
+
+#
+# ALTER TABLE ... ENABLE/DISABLE KEYS
+
+create table t1 (n1 int not null, n2 int, n3 int, n4 float,
+                unique(n1),
+                key (n1, n2, n3, n4),
+                key (n2, n3, n4, n1),
+                key (n3, n4, n1, n2),
+                key (n4, n1, n2, n3) );
+alter table t1 disable keys;
+let $1=10000;
+while ($1)
+{
+ eval insert into t1 values($1,RAND()*1000,RAND()*1000,RAND());
+ dec $1;
+}
+alter table t1 enable keys;
+drop table t1;