Changed "const row not found" to "Const row not found"

Also changed Unique row not found to use uppercase first.
This was done to make these messages consistent with the rest

mysql-test/r/analyze_stmt_privileges2.result

@@ -1452,7 +1452,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_f
 DELETE FROM t1 USING t1, t2;
 EXPLAIN DELETE FROM t1 USING t1, t2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	
 ANALYZE DELETE FROM t1 USING t1, t2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
@@ -1797,7 +1797,7 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_f
 DELETE FROM t1 USING t1, t2;
 EXPLAIN DELETE FROM t1 USING t1, t2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	3	
 ANALYZE DELETE FROM t1 USING t1, t2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
@@ -1813,7 +1813,7 @@ SELECT * FROM t1;
 a	b
 EXPLAIN SELECT * FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 ANALYZE SELECT * FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	r_rows	filtered	r_filtered	Extra
 1	SIMPLE	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table

mysql-test/r/derived.result

@@ -896,34 +896,34 @@ WHERE REF IS NULL AND DIVISION="MIS" GROUP BY RECEIVABLE_GROUP,DIVISION,CLIENT_N
 A.DIVISION=C1.DIVISION AND A.RECEIVABLE_GROUP=C1.RECEIVABLE_GROUP AND A.CREDIT_LIMIT=C1.CREDIT_LIMIT
 ORDER BY TOTAL DESC;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived3>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived4>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived5>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived6>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived7>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived8>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived9>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived10>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived11>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived12>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived13>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived14>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived15>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived16>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived17>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived18>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived19>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived20>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived21>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived22>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived23>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived24>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived25>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived26>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived27>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived28>	system	NULL	NULL	NULL	NULL	0	const row not found
-1	PRIMARY	<derived29>	system	NULL	NULL	NULL	NULL	0	const row not found
+1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived3>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived4>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived5>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived6>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived7>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived8>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived9>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived10>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived11>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived12>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived13>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived14>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived15>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived16>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived17>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived18>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived19>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived20>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived21>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived22>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived23>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived24>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived25>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived26>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived27>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived28>	system	NULL	NULL	NULL	NULL	0	Const row not found
+1	PRIMARY	<derived29>	system	NULL	NULL	NULL	NULL	0	Const row not found
 29	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 28	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 27	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table

mysql-test/r/derived_view.result

@@ -2014,7 +2014,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b AND t.c = t1.a;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (flat, BNL join)
 Warnings:
@@ -2029,7 +2029,7 @@ SELECT t.b, t.c, t1.a
 FROM t1, (SELECT t2.b, t2.c FROM t3 RIGHT JOIN t2 ON t2.a = t3.b) AS t
 WHERE t.b <> 0 AND t.c = t1.a;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 1	SIMPLE	t2	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where; Using join buffer (flat, BNL join)
 Warnings:

mysql-test/r/explain.result

@@ -2,7 +2,7 @@ drop table if exists t1;
 create table t1 (id int not null, str char(10), unique(str));
 explain select * from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 insert into t1 values (1, null),(2, null),(3, "foo"),(4, "bar");
 select * from t1 where str is null;
 id	str
@@ -218,8 +218,8 @@ EXPLAIN EXTENDED SELECT 1 FROM t1
 WHERE f1 > ALL( SELECT t.f1 FROM t1,t1 AS t );
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	PRIMARY	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	Impossible WHERE noticed after reading const tables
-2	SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
-2	SUBQUERY	t	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+2	SUBQUERY	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
+2	SUBQUERY	t	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` where 0
 SET SESSION sql_mode=@old_sql_mode;
@@ -387,7 +387,7 @@ set optimizer_switch='derived_merge=off,derived_with_keys=off';
 EXPLAIN EXTENDED
 SELECT * FROM ( SELECT t1.a FROM t1,t2 WHERE t2.a = t1.a ) AS t;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 Warnings:
 Note	1003	/* select#1 */ select NULL AS `a` from (/* select#2 */ select NULL AS `a` from `test`.`t1` where 0) `t`

mysql-test/r/explain_json.result

@@ -1204,7 +1204,7 @@ create table t1 (i int) engine=myisam;
 explain 
 select * from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 explain format=json
 select * from t1;
 EXPLAIN

mysql-test/r/func_group.result

@@ -2066,7 +2066,7 @@ HAVING ('m') IN (
 SELECT v
 FROM t2);
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	const row not found
+1	PRIMARY	<derived2>	system	NULL	NULL	NULL	NULL	0	Const row not found
 3	MATERIALIZED	t2	ALL	NULL	NULL	NULL	NULL	2	
 2	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	no matching row in const table
 set optimizer_switch=@tmp_optimizer_switch;

mysql-test/r/func_group_innodb.result

@@ -125,14 +125,14 @@ select 1, max(1) from t1i where 1=99;
 1	NULL
 explain select count(*), min(7), max(7) from t1m, t1i;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t1i	ALL	NULL	NULL	NULL	NULL	1	
 select count(*), min(7), max(7) from t1m, t1i;
 count(*)	min(7)	max(7)
 0	NULL	NULL
 explain select count(*), min(7), max(7) from t1m, t2i;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1m	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t2i	ALL	NULL	NULL	NULL	NULL	1	
 select count(*), min(7), max(7) from t1m, t2i;
 count(*)	min(7)	max(7)

mysql-test/r/func_str.result

@@ -1340,12 +1340,12 @@ DROP TABLE t1;
 create table t1(f1 varchar(4));
 explain extended select encode(f1,'zxcv') as 'enc' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 Warnings:
 Note	1003	select encode(NULL,'zxcv') AS `enc` from `test`.`t1`
 explain extended select decode(f1,'zxcv') as 'enc' from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 Warnings:
 Note	1003	select decode(NULL,'zxcv') AS `enc` from `test`.`t1`
 drop table t1;

mysql-test/r/join_nested.result

@@ -1321,7 +1321,7 @@ c11	c21
 5	NULL
 EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON c11=c21;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
 SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;
 c11	c21	c31

mysql-test/r/join_nested_jcl6.result

@@ -1332,7 +1332,7 @@ c11	c21
 5	NULL
 EXPLAIN SELECT * FROM t1 LEFT JOIN t2 ON c11=c21;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
 SELECT * FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON c21=c31) ON c11=c21;
 c11	c21	c31

mysql-test/r/limit_rows_examined.result

@@ -98,11 +98,11 @@ create table t0 (c0 int);
 explain
 select * from t0 LIMIT ROWS EXAMINED 0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t0	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t0	system	NULL	NULL	NULL	NULL	0	Const row not found
 explain
 select * from t0 LIMIT ROWS EXAMINED 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t0	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t0	system	NULL	NULL	NULL	NULL	0	Const row not found
 select * from t0 LIMIT ROWS EXAMINED 1;
 c0
 drop table t0;
@@ -592,7 +592,7 @@ create table t3_empty like t3;
 explain
 select max(c1) from t3_empty LIMIT ROWS EXAMINED 0;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3_empty	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t3_empty	system	NULL	NULL	NULL	NULL	0	Const row not found
 select max(c1) from t3_empty LIMIT ROWS EXAMINED 0;
 max(c1)
 NULL

mysql-test/r/myisam_explain_non_select_all.result

@@ -2184,13 +2184,13 @@ INSERT INTO t1 VALUES (1, 1, 10), (2, 2, 20);
 #
 EXPLAIN UPDATE        t1 LEFT JOIN t2 ON t1.c1 = t2.c1 SET t2.c2 = 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
 FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED UPDATE        t1 LEFT JOIN t2 ON t1.c1 = t2.c1 SET t2.c2 = 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 # Status of EXPLAIN EXTENDED query
 Variable_name	Value
@@ -2199,7 +2199,7 @@ FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.c1 = t2.c1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	
 Warnings:
 Note	1003	select `test`.`t1`.`c1` AS `c1`,`test`.`t1`.`c2` AS `c2`,`test`.`t1`.`c3` AS `c3`,NULL AS `c1`,NULL AS `c2` from `test`.`t1`
@@ -2219,13 +2219,13 @@ Handler_read_rnd_next	4
 #
 EXPLAIN UPDATE        t1 LEFT JOIN t2 ON t1.c1 = t2.c1 SET t2.c2 = 10 WHERE t1.c3 = 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	Using where
 FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED UPDATE        t1 LEFT JOIN t2 ON t1.c1 = t2.c1 SET t2.c2 = 10 WHERE t1.c3 = 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 # Status of EXPLAIN EXTENDED query
 Variable_name	Value
@@ -2234,7 +2234,7 @@ FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED SELECT * FROM t1 LEFT JOIN t2 ON t1.c1 = t2.c1                WHERE t1.c3 = 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	100.00	Using where
 Warnings:
 Note	1003	select `test`.`t1`.`c1` AS `c1`,`test`.`t1`.`c2` AS `c2`,`test`.`t1`.`c3` AS `c3`,NULL AS `c1`,NULL AS `c2` from `test`.`t1` where `test`.`t1`.`c3` = 10
@@ -2571,20 +2571,20 @@ CREATE VIEW v1 (x) AS SELECT b FROM t2;
 #
 EXPLAIN INSERT INTO v1 SELECT * FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED INSERT INTO v1 SELECT * FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 # Status of EXPLAIN EXTENDED query
 Variable_name	Value
 Handler_read_rnd_next	1
 FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED SELECT * FROM t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 Warnings:
 Note	1003	select NULL AS `a` from `test`.`t1`
 # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
@@ -2781,7 +2781,7 @@ CREATE TABLE t2 (id INT);
 INSERT INTO t1 VALUES (1), (2);
 EXPLAIN SELECT * FROM t1 LEFT JOIN t2 USING(id) GROUP BY t1.id;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	const row not found; Using temporary; Using filesort
+1	SIMPLE	t2	system	NULL	NULL	NULL	NULL	0	Const row not found; Using temporary; Using filesort
 1	SIMPLE	t1	ALL	NULL	NULL	NULL	NULL	2	
 DROP TABLE t1,t2;
 #74
@@ -2879,7 +2879,7 @@ CALL p16();
 DROP PROCEDURE p16;
 CALL p15();
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	Const row not found
 DROP PROCEDURE p15;
 CALL p14();
 DROP PROCEDURE p14;

mysql-test/r/order_by.result

@@ -2635,7 +2635,7 @@ SELECT t1.*, t2.* FROM t1 JOIN t2 ON t1.i1 = t2.i2
 LEFT JOIN t3 ON t2.i2 = t3.i3
 ORDER BY t1.i1 LIMIT 5;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t3	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 1	SIMPLE	t1	index	PRIMARY	PRIMARY	4	NULL	5	100.00	Using index
 1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.i1	1	100.00	Using index
 Warnings:

mysql-test/r/partition_pruning.result

@@ -3136,7 +3136,7 @@ drop table t2;
 create table t1 (s1 int);
 explain partitions select 1 from t1 union all select 2;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	t1	NULL	system	NULL	NULL	NULL	NULL	0	const row not found
+1	PRIMARY	t1	NULL	system	NULL	NULL	NULL	NULL	0	Const row not found
 2	UNION	NULL	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
 drop table t1;
 create table t1 (a bigint unsigned not null) partition by range(a) (

mysql-test/r/query_cache.result

@@ -235,7 +235,7 @@ select benchmark(1,1) from t1;
 benchmark(1,1)
 explain extended select benchmark(1,1) from t1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	const row not found
+1	SIMPLE	t1	system	NULL	NULL	NULL	NULL	0	0.00	Const row not found
 Warnings:
 Note	1003	select benchmark(1,1) AS `benchmark(1,1)` from `test`.`t1`
 show status like "Qcache_queries_in_cache";