MDEV-18608: Defaults for 10.4: histogram size should be set

Followup: update test results

mysql-test/suite/gcol/r/gcol_select_innodb.result

@@ -698,7 +698,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -753,7 +753,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -809,7 +809,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -873,7 +873,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)

mysql-test/suite/gcol/r/gcol_select_myisam.result

@@ -1324,7 +1324,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY,v_idx	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -1380,7 +1380,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY,v_idx,v_idx2	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -1438,7 +1438,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY,v_idx2	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)
@@ -1505,7 +1505,7 @@ WHERE t4.c1 < 'o'
 )
 AND t1.i1 <= t3.i2_key;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	3	
+1	PRIMARY	<subquery2>	ALL	distinct_key	NULL	NULL	NULL	2	
 1	PRIMARY	t1	ALL	NULL	NULL	NULL	NULL	4	Using join buffer (flat, BNL join)
 1	PRIMARY	t3	eq_ref	PRIMARY,v_idx	PRIMARY	4	test.t4.i1	1	Using where
 1	PRIMARY	t2	ALL	NULL	NULL	NULL	NULL	5	Using join buffer (flat, BNL join)

mysql-test/suite/sys_vars/r/sysvars_server_embedded.result

@@ -1287,10 +1287,10 @@ ENUM_VALUE_LIST	NULL
 READ_ONLY	YES
 COMMAND_LINE_ARGUMENT	NULL
 VARIABLE_NAME	HISTOGRAM_SIZE
-SESSION_VALUE	0
-GLOBAL_VALUE	0
+SESSION_VALUE	254
+GLOBAL_VALUE	254
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
-DEFAULT_VALUE	0
+DEFAULT_VALUE	254
 VARIABLE_SCOPE	SESSION
 VARIABLE_TYPE	BIGINT UNSIGNED
 VARIABLE_COMMENT	Number of bytes used for a histogram. If set to 0, no histograms are created by ANALYZE.
@@ -1301,10 +1301,10 @@ ENUM_VALUE_LIST	NULL
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	HISTOGRAM_TYPE
-SESSION_VALUE	SINGLE_PREC_HB
-GLOBAL_VALUE	SINGLE_PREC_HB
+SESSION_VALUE	DOUBLE_PREC_HB
+GLOBAL_VALUE	DOUBLE_PREC_HB
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
-DEFAULT_VALUE	SINGLE_PREC_HB
+DEFAULT_VALUE	DOUBLE_PREC_HB
 VARIABLE_SCOPE	SESSION
 VARIABLE_TYPE	ENUM
 VARIABLE_COMMENT	Specifies type of the histograms created by ANALYZE. Possible values are: SINGLE_PREC_HB - single precision height-balanced, DOUBLE_PREC_HB - double precision height-balanced.