Stabilize the test.

mysql-test/main/range_vs_index_merge.result

@@ -1675,6 +1675,10 @@ f1 int, f2 int, f3 int, f4 int,
 PRIMARY KEY (f1), KEY (f3), KEY (f4)
 );
 INSERT INTO t1 VALUES (9,0,2,6), (9930,0,0,NULL);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
 SET SESSION optimizer_switch='index_merge_intersection=off';
 SET SESSION optimizer_switch='index_merge_sort_union=off';
 SET SESSION optimizer_switch='index_merge_union=off';
@@ -1706,6 +1710,10 @@ INSERT INTO t1 VALUES
 (95,0,5,6), (9935,0,5,5), (96,0,6,6), (9936,0,6,6),
 (97,0,7,6), (9937,0,7,7), (98,0,8,6), (9938,0,8,8),
 (99,0,9,6), (9939,0,9,9);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
 SET SESSION optimizer_switch='index_merge_union=off';
 EXPLAIN
 SELECT * FROM t1 FORCE KEY (PRIMARY,f3,f4)

mysql-test/main/range_vs_index_merge.test

@@ -1086,6 +1086,8 @@ CREATE TABLE t1 (
 
 INSERT INTO t1 VALUES (9,0,2,6), (9930,0,0,NULL);
 
+analyze table t1;
+
 SET SESSION optimizer_switch='index_merge_intersection=off';
 SET SESSION optimizer_switch='index_merge_sort_union=off';
 
@@ -1118,6 +1120,8 @@ INSERT INTO t1 VALUES
   (97,0,7,6), (9937,0,7,7), (98,0,8,6), (9938,0,8,8),
   (99,0,9,6), (9939,0,9,9);
 
+analyze table t1;
+
 SET SESSION optimizer_switch='index_merge_union=off';
 
 EXPLAIN

mysql-test/main/range_vs_index_merge_innodb.result

@@ -1681,6 +1681,10 @@ f1 int, f2 int, f3 int, f4 int,
 PRIMARY KEY (f1), KEY (f3), KEY (f4)
 );
 INSERT INTO t1 VALUES (9,0,2,6), (9930,0,0,NULL);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
 SET SESSION optimizer_switch='index_merge_intersection=off';
 SET SESSION optimizer_switch='index_merge_sort_union=off';
 SET SESSION optimizer_switch='index_merge_union=off';
@@ -1712,6 +1716,10 @@ INSERT INTO t1 VALUES
 (95,0,5,6), (9935,0,5,5), (96,0,6,6), (9936,0,6,6),
 (97,0,7,6), (9937,0,7,7), (98,0,8,6), (9938,0,8,8),
 (99,0,9,6), (9939,0,9,9);
+analyze table t1;
+Table	Op	Msg_type	Msg_text
+test.t1	analyze	status	Engine-independent statistics collected
+test.t1	analyze	status	OK
 SET SESSION optimizer_switch='index_merge_union=off';
 EXPLAIN
 SELECT * FROM t1 FORCE KEY (PRIMARY,f3,f4)