Enabling order by limit optimization by defaultbb-10.6-varun

31 files changed, 82 insertions, 75 deletions

diff --git a/mysql-test/main/compress.result b/mysql-test/main/compress.result
index 788eb7ab13b..21154aaa7c9 100644
--- a/mysql-test/main/compress.result
+++ b/mysql-test/main/compress.result
@@ -612,8 +612,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/innodb_ext_key.result b/mysql-test/main/innodb_ext_key.result
index 5708cf88934..553b640b93d 100644
--- a/mysql-test/main/innodb_ext_key.result
+++ b/mysql-test/main/innodb_ext_key.result
@@ -634,7 +634,7 @@ a
 2
 explain select a from t2 where b is null order by a desc limit 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	range	b	b	9	NULL	3	Using where; Using filesort
+1	SIMPLE	t2	index	b	PRIMARY	8	NULL	2	Using where
 select a from t2 where b is null order by a desc limit 2;
 a
 3
diff --git a/mysql-test/main/innodb_icp.result b/mysql-test/main/innodb_icp.result
index adf65780d21..2b40fd67678 100644
--- a/mysql-test/main/innodb_icp.result
+++ b/mysql-test/main/innodb_icp.result
@@ -172,7 +172,7 @@ WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
 ORDER BY ts DESC
 LIMIT 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	Using where
 
 DROP TABLE t1;
 #
diff --git a/mysql-test/main/join_cardinality.test b/mysql-test/main/join_cardinality.test
index b24debfb66e..92b8a1b1c87 100644
--- a/mysql-test/main/join_cardinality.test
+++ b/mysql-test/main/join_cardinality.test
@@ -1,4 +1,5 @@
 --source include/have_sequence.inc
+--source include/not_embedded.inc
 
 # Default settings for all following tests
 SET @save_optimizer_switch=@@optimizer_switch;
diff --git a/mysql-test/main/myisam_explain_non_select_all.result b/mysql-test/main/myisam_explain_non_select_all.result
index 2ff966fdfd3..6926d632f69 100644
--- a/mysql-test/main/myisam_explain_non_select_all.result
+++ b/mysql-test/main/myisam_explain_non_select_all.result
@@ -2446,7 +2446,7 @@ FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED SELECT * FROM t1     WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	ref	c1_idx	c1_idx	2	const	2	100.00	Using index condition; Using where; Using filesort
+1	SIMPLE	t1	index	c1_idx	PRIMARY	4	NULL	4	100.00	Using where
 Warnings:
 Note	1003	select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`c1_idx` AS `c1_idx`,`test`.`t1`.`c2` AS `c2` from `test`.`t1` where `test`.`t1`.`c1_idx` = 'y' order by `test`.`t1`.`pk` desc limit 2
 # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
@@ -2456,11 +2456,9 @@ Warnings:
 Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
 # Status of "equivalent" SELECT query execution:
 Variable_name	Value
-Handler_read_key	7
-Handler_read_next	2
-Sort_priority_queue_sorts	1
-Sort_range	1
-Sort_rows	2
+Handler_read_key	6
+Handler_read_last	1
+Handler_read_prev	3
 # Status of testing query execution:
 Variable_name	Value
 Handler_read_key	7
@@ -2492,7 +2490,7 @@ FLUSH STATUS;
 FLUSH TABLES;
 EXPLAIN EXTENDED SELECT * FROM t1 WHERE c1_idx = 'y' ORDER BY pk DESC LIMIT 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	ref	c1_idx	c1_idx	2	const	2	100.00	Using index condition; Using where; Using filesort
+1	SIMPLE	t1	index	c1_idx	PRIMARY	4	NULL	4	100.00	Using where
 Warnings:
 Note	1003	select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`c1_idx` AS `c1_idx`,`test`.`t1`.`c2` AS `c2` from `test`.`t1` where `test`.`t1`.`c1_idx` = 'y' order by `test`.`t1`.`pk` desc limit 2
 # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
@@ -2502,11 +2500,9 @@ Warnings:
 Warning	1287	'<select expression> INTO <destination>;' is deprecated and will be removed in a future release. Please use 'SELECT <select list> INTO <destination> FROM...' instead
 # Status of "equivalent" SELECT query execution:
 Variable_name	Value
-Handler_read_key	7
-Handler_read_next	2
-Sort_priority_queue_sorts	1
-Sort_range	1
-Sort_rows	2
+Handler_read_key	6
+Handler_read_last	1
+Handler_read_prev	3
 # Status of testing query execution:
 Variable_name	Value
 Handler_delete	2
diff --git a/mysql-test/main/myisam_icp.result b/mysql-test/main/myisam_icp.result
index f059c3f95e5..c597d00d725 100644
--- a/mysql-test/main/myisam_icp.result
+++ b/mysql-test/main/myisam_icp.result
@@ -165,7 +165,7 @@ WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
 ORDER BY ts DESC
 LIMIT 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	Using where
 
 DROP TABLE t1;
 #
diff --git a/mysql-test/main/mysqld--help.result b/mysql-test/main/mysqld--help.result
index c0e4bccb71e..53fd270be6a 100644
--- a/mysql-test/main/mysqld--help.result
+++ b/mysql-test/main/mysqld--help.result
@@ -1641,7 +1641,7 @@ old-style-user-limits FALSE
 optimizer-prune-level 1
 optimizer-search-depth 62
 optimizer-selectivity-sampling-limit 100
-optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on
+optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 optimizer-trace 
 optimizer-trace-max-mem-size 1048576
 optimizer-use-condition-selectivity 4
diff --git a/mysql-test/main/mysqltest_tracking_info.result b/mysql-test/main/mysqltest_tracking_info.result
index 72983254340..73d6ed43558 100644
--- a/mysql-test/main/mysqltest_tracking_info.result
+++ b/mysql-test/main/mysqltest_tracking_info.result
@@ -38,7 +38,7 @@ SET @@session.session_track_system_variables='optimizer_switch';
 set optimizer_switch='index_merge=off,index_merge_union=off,index_merge_sort_union=off,index_merge_intersection=off,index_merge_sort_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=on,mrr_cost_based=on,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=on,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off';
 -- Tracker : SESSION_TRACK_SYSTEM_VARIABLES
 -- optimizer_switch
--- index_merge=off,index_merge_union=off,index_merge_sort_union=off,index_merge_intersection=off,index_merge_sort_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=on,mrr_cost_based=on,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=on,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=off
+-- index_merge=off,index_merge_union=off,index_merge_sort_union=off,index_merge_intersection=off,index_merge_sort_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=on,mrr_cost_based=on,mrr_sort_keys=on,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=on,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 
 Warnings:
 Warning	1681	'engine_condition_pushdown=on' is deprecated and will be removed in a future release
diff --git a/mysql-test/main/named_pipe.result b/mysql-test/main/named_pipe.result
index 9fc7abd79f5..c7e082c5c21 100644
--- a/mysql-test/main/named_pipe.result
+++ b/mysql-test/main/named_pipe.result
@@ -606,8 +606,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/opt_trace.result b/mysql-test/main/opt_trace.result
index 59404af5154..da4790bb7bb 100644
--- a/mysql-test/main/opt_trace.result
+++ b/mysql-test/main/opt_trace.result
@@ -1899,6 +1899,8 @@ Table	Op	Msg_type	Msg_text
 test.t1	analyze	status	Engine-independent statistics collected
 test.t1	analyze	status	OK
 set optimizer_trace='enabled=on';
+set @save_optimizer_switch= @@optimizer_switch;
+set optimizer_switch='cost_based_order_by_limit=off';
 explain  select * from t1 where a=1 and b=2 order by c limit 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	range	a_c,a_b	a_c	5	NULL	180	Using where
@@ -2244,6 +2246,7 @@ explain  select * from t1 where a=1 and b=2 order by c limit 1	{
     }
   ]
 }	0	0
+set optimizer_switch=@save_optimizer_switch;
 drop table t1,ten,one_k;
 #
 # TABLE ELIMINATION
diff --git a/mysql-test/main/opt_trace.test b/mysql-test/main/opt_trace.test
index 314e5825c08..3f221717279 100644
--- a/mysql-test/main/opt_trace.test
+++ b/mysql-test/main/opt_trace.test
@@ -155,8 +155,12 @@ update t1 set a=1 where pk between 0 and 180;
 update t1 set b=2 where pk between 0 and 20;
 analyze table t1;
 set optimizer_trace='enabled=on';
+
+set @save_optimizer_switch= @@optimizer_switch;
+set optimizer_switch='cost_based_order_by_limit=off';
 explain  select * from t1 where a=1 and b=2 order by c limit 1;
 select * from INFORMATION_SCHEMA.OPTIMIZER_TRACE;
+set optimizer_switch=@save_optimizer_switch;
 drop table t1,ten,one_k;
 
 --echo #
diff --git a/mysql-test/main/order_by.result b/mysql-test/main/order_by.result
index 27004fa4596..170ee4bb19c 100644
--- a/mysql-test/main/order_by.result
+++ b/mysql-test/main/order_by.result
@@ -2555,7 +2555,7 @@ INSERT INTO t1 SELECT a + 1280, b, c FROM t1 LIMIT 80;
 EXPLAIN
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	b,b_2	b	4	NULL	226	Using where
+1	SIMPLE	t1	range	b,b_2	b	4	NULL	49	Using where
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 a
 2071
@@ -2645,7 +2645,7 @@ SELECT * FROM t1 r JOIN t1 s ON r.a = s.a
 WHERE s.a IN (2,9) OR s.a < 100  AND s.a != 0
 ORDER BY 1 LIMIT 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	r	range	PRIMARY	PRIMARY	4	NULL	12	100.00	Using where; Using index
+1	SIMPLE	r	range	PRIMARY	PRIMARY	4	NULL	10	100.00	Using where; Using index
 1	SIMPLE	s	eq_ref	PRIMARY	PRIMARY	4	test.r.a	1	100.00	Using index
 Warnings:
 Note	1003	select `test`.`r`.`a` AS `a`,`test`.`s`.`a` AS `a` from `test`.`t1` `r` join `test`.`t1` `s` where `test`.`s`.`a` = `test`.`r`.`a` and (`test`.`r`.`a` in (2,9) or `test`.`r`.`a` < 100 and `test`.`r`.`a` <> 0) order by 1 limit 10
@@ -2712,7 +2712,7 @@ 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	t1	index	PRIMARY	PRIMARY	4	NULL	5	100.00	Using index
+1	SIMPLE	t1	index	PRIMARY	PRIMARY	4	NULL	12	100.00	Using index
 1	SIMPLE	t2	eq_ref	PRIMARY	PRIMARY	4	test.t1.i1	1	100.00	Using index
 Warnings:
 Note	1003	select `test`.`t1`.`i1` AS `i1`,`test`.`t2`.`i2` AS `i2` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`i2` = `test`.`t1`.`i1` order by `test`.`t1`.`i1` limit 5
@@ -3189,13 +3189,13 @@ explain
 select t2.pk,t2.a,t2.b,t3.pk,t3.a,t3.b 
 from t2, t3 where t2.a=t3.a order by t2.a limit 25;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	200	Using where; Using filesort
+1	SIMPLE	t2	index	a	a	5	NULL	25	Using where
 1	SIMPLE	t3	ref	a	a	5	test.t2.a	1	
 explain
 select t2.pk,t2.a,t2.b,t3.pk,t3.a,t3.b 
 from t2, t3 where t2.a=t3.a order by t3.a limit 25;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t2	ALL	a	NULL	NULL	NULL	200	Using where; Using filesort
+1	SIMPLE	t2	index	a	a	5	NULL	25	Using where
 1	SIMPLE	t3	ref	a	a	5	test.t2.a	1	
 select t2.pk,t2.a,t2.b,t3.pk,t3.a,t3.b 
 from t2, t3 where t2.a=t3.a order by t2.a limit 25;
@@ -3627,7 +3627,7 @@ test.t4	analyze	status	Table is already up to date
 explain extended 
 select * from t4 where b < 5000 order by a limit 600;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t4	index	NULL	a	5	NULL	1188	100.00	Using where
+1	SIMPLE	t4	index	NULL	a	5	NULL	2352	100.00	Using where
 Warnings:
 Note	1003	select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c`,`test`.`t4`.`filler1` AS `filler1`,`test`.`t4`.`filler2` AS `filler2` from `test`.`t4` where `test`.`t4`.`b` < 5000 order by `test`.`t4`.`a` limit 600
 set histogram_size=@tmp_h, histogram_type=@tmp_ht, use_stat_tables=@tmp_u,
diff --git a/mysql-test/main/pool_of_threads.result b/mysql-test/main/pool_of_threads.result
index d4a7d9092f4..812341f07ef 100644
--- a/mysql-test/main/pool_of_threads.result
+++ b/mysql-test/main/pool_of_threads.result
@@ -606,8 +606,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/range.result b/mysql-test/main/range.result
index c7bf8948d3a..a6612220e2d 100644
--- a/mysql-test/main/range.result
+++ b/mysql-test/main/range.result
@@ -3278,7 +3278,7 @@ drop table t1,ten,t2;
 #
 # MDEV-15777: Use inferred IS NOT NULL predicates in the range optimizer
 #
-set @@optimizer_switch='not_null_range_scan=on';
+set @@optimizer_switch='not_null_range_scan=on,cost_based_order_by_limit=off';
 create table ten(a int);
 insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 create table one_k(a int);
diff --git a/mysql-test/main/range.test b/mysql-test/main/range.test
index 4f228e5dce3..677e1cefbdd 100644
--- a/mysql-test/main/range.test
+++ b/mysql-test/main/range.test
@@ -2247,7 +2247,7 @@ drop table t1,ten,t2;
 --echo # MDEV-15777: Use inferred IS NOT NULL predicates in the range optimizer
 --echo #
 
-set @@optimizer_switch='not_null_range_scan=on';
+set @@optimizer_switch='not_null_range_scan=on,cost_based_order_by_limit=off';
 create table ten(a int);
 insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 
diff --git a/mysql-test/main/range_mrr_icp.result b/mysql-test/main/range_mrr_icp.result
index 3c5b7164163..9c937ea426a 100644
--- a/mysql-test/main/range_mrr_icp.result
+++ b/mysql-test/main/range_mrr_icp.result
@@ -3267,7 +3267,7 @@ drop table t1,ten,t2;
 #
 # MDEV-15777: Use inferred IS NOT NULL predicates in the range optimizer
 #
-set @@optimizer_switch='not_null_range_scan=on';
+set @@optimizer_switch='not_null_range_scan=on,cost_based_order_by_limit=off';
 create table ten(a int);
 insert into ten values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
 create table one_k(a int);
diff --git a/mysql-test/main/select.result b/mysql-test/main/select.result
index 7547b5b1347..ae95048fdc2 100644
--- a/mysql-test/main/select.result
+++ b/mysql-test/main/select.result
@@ -609,8 +609,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/select_jcl6.result b/mysql-test/main/select_jcl6.result
index 6a8174d124c..b3d88174cb5 100644
--- a/mysql-test/main/select_jcl6.result
+++ b/mysql-test/main/select_jcl6.result
@@ -620,12 +620,12 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	ALL	period	NULL	NULL	NULL	41810	Using temporary; Using filesort
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	period	NULL	NULL	NULL	41810	Using temporary; Using filesort
-1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 select period from t1;
 period
 9410
diff --git a/mysql-test/main/select_pkeycache.result b/mysql-test/main/select_pkeycache.result
index 7547b5b1347..ae95048fdc2 100644
--- a/mysql-test/main/select_pkeycache.result
+++ b/mysql-test/main/select_pkeycache.result
@@ -609,8 +609,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/selectivity.result b/mysql-test/main/selectivity.result
index 591294aff10..10e1239d998 100644
--- a/mysql-test/main/selectivity.result
+++ b/mysql-test/main/selectivity.result
@@ -1739,7 +1739,7 @@ INSERT INTO t1 SELECT a + 1280, b, c FROM t1 LIMIT 80;
 EXPLAIN
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	b,b_2	b	4	NULL	226	Using where
+1	SIMPLE	t1	range	b,b_2	b	4	NULL	49	Using where
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 a
 2071
diff --git a/mysql-test/main/selectivity_innodb.result b/mysql-test/main/selectivity_innodb.result
index 7a8f837d4e2..c9d3df34f2f 100644
--- a/mysql-test/main/selectivity_innodb.result
+++ b/mysql-test/main/selectivity_innodb.result
@@ -1749,7 +1749,7 @@ INSERT INTO t1 SELECT a + 1280, b, c FROM t1 LIMIT 80;
 EXPLAIN
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	b,b_2	b	4	NULL	226	Using where
+1	SIMPLE	t1	range	b,b_2	b	4	NULL	49	Using where
 SELECT a FROM t1 WHERE b = 1 ORDER BY c DESC LIMIT 9;
 a
 2071
diff --git a/mysql-test/main/sort_nest.test b/mysql-test/main/sort_nest.test
index 6736defd674..74ee0e00bf0 100644
--- a/mysql-test/main/sort_nest.test
+++ b/mysql-test/main/sort_nest.test
@@ -1,4 +1,5 @@
 --source include/have_sequence.inc
+--source include/not_embedded.inc
 set optimizer_switch='cost_based_order_by_limit=on';
 set optimizer_switch='rowid_filter=off';
 set optimizer_trace=1;
@@ -1015,4 +1016,4 @@ SELECT JSON_DETAILED(JSON_EXTRACT(trace, '$**.cardinality_accurate'))
 FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE;
 eval $query;
 
-DROP TABLE t0,t1,t2,t3;
\ No newline at end of file
+DROP TABLE t0,t1,t2,t3;
diff --git a/mysql-test/main/ssl.result b/mysql-test/main/ssl.result
index 40a32fdd1dd..d999a56f846 100644
--- a/mysql-test/main/ssl.result
+++ b/mysql-test/main/ssl.result
@@ -615,8 +615,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/ssl_compress.result b/mysql-test/main/ssl_compress.result
index 8c63c798afa..e4e40150f42 100644
--- a/mysql-test/main/ssl_compress.result
+++ b/mysql-test/main/ssl_compress.result
@@ -612,8 +612,8 @@ id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t3.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t3	index	period	period	4	NULL	1	
-1	SIMPLE	t1	ref	period	period	4	test.t3.period	4181	
+1	SIMPLE	t1	index	period	period	4	NULL	1	
+1	SIMPLE	t3	ref	period	period	4	test.t1.period	4181	
 explain select * from t3 as t1,t3 where t1.period=t3.period order by t1.period limit 10;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t1	index	period	period	4	NULL	1	
diff --git a/mysql-test/main/xtradb_mrr.result b/mysql-test/main/xtradb_mrr.result
index 34fd8300423..642a25ca5b7 100644
--- a/mysql-test/main/xtradb_mrr.result
+++ b/mysql-test/main/xtradb_mrr.result
@@ -402,7 +402,7 @@ id
 This must show type=index, extra=Using where
 explain SELECT * FROM t1 FORCE INDEX (PRIMARY) WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	1	Using where
+1	SIMPLE	t1	index	NULL	PRIMARY	4	NULL	7	Using where
 SELECT * FROM t1 WHERE parent_id IS NOT NULL ORDER BY id DESC LIMIT 1;
 id	parent_id	name
 60	40	F
diff --git a/mysql-test/suite/maria/icp.result b/mysql-test/suite/maria/icp.result
index 149258de918..c63db402a6b 100644
--- a/mysql-test/suite/maria/icp.result
+++ b/mysql-test/suite/maria/icp.result
@@ -167,7 +167,7 @@ WHERE ts BETWEEN '0000-00-00' AND '2010-00-01 00:00:00'
 ORDER BY ts DESC
 LIMIT 2;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	4	Using where
+1	SIMPLE	t1	range	PRIMARY	PRIMARY	4	NULL	2	Using where
 
 DROP TABLE t1;
 #
@@ -409,7 +409,7 @@ WHERE (pk BETWEEN 4 AND 5 OR pk < 2) AND c1 < 240
 ORDER BY c1
 LIMIT 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	range	PRIMARY,k1	PRIMARY	4	NULL	3	Using index condition; Using where; Rowid-ordered scan; Using filesort
+1	SIMPLE	t1	range	PRIMARY,k1	k1	5	NULL	4	Using index condition; Using where
 DROP TABLE t1;
 #
 #
diff --git a/mysql-test/suite/sys_vars/r/optimizer_switch_basic.result b/mysql-test/suite/sys_vars/r/optimizer_switch_basic.result
index 80bd2d7af5f..01f75ab6fce 100644
--- a/mysql-test/suite/sys_vars/r/optimizer_switch_basic.result
+++ b/mysql-test/suite/sys_vars/r/optimizer_switch_basic.result
@@ -1,60 +1,60 @@
 set @@global.optimizer_switch=@@optimizer_switch;
 select @@global.optimizer_switch;
 @@global.optimizer_switch
-index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 select @@session.optimizer_switch;
 @@session.optimizer_switch
-index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 show global variables like 'optimizer_switch';
 Variable_name	Value
-optimizer_switch	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+optimizer_switch	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 show session variables like 'optimizer_switch';
 Variable_name	Value
-optimizer_switch	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+optimizer_switch	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 select * from information_schema.global_variables where variable_name='optimizer_switch';
 VARIABLE_NAME	VARIABLE_VALUE
-OPTIMIZER_SWITCH	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+OPTIMIZER_SWITCH	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 select * from information_schema.session_variables where variable_name='optimizer_switch';
 VARIABLE_NAME	VARIABLE_VALUE
-OPTIMIZER_SWITCH	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
+OPTIMIZER_SWITCH	index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off,cost_based_order_by_limit=on
 set global optimizer_switch=4101;
 set session optimizer_switch=2058;
 select @@global.optimizer_switch;
 @@global.optimizer_switch
-index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 select @@session.optimizer_switch;
 @@session.optimizer_switch
-index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 set global optimizer_switch="index_merge_sort_union=on";
 set session optimizer_switch="index_merge=off";
 select @@global.optimizer_switch;
 @@global.optimizer_switch
-index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 select @@session.optimizer_switch;
 @@session.optimizer_switch
-index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 show global variables like 'optimizer_switch';
 Variable_name	Value
-optimizer_switch	index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+optimizer_switch	index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 show session variables like 'optimizer_switch';
 Variable_name	Value
-optimizer_switch	index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+optimizer_switch	index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 select * from information_schema.global_variables where variable_name='optimizer_switch';
 VARIABLE_NAME	VARIABLE_VALUE
-OPTIMIZER_SWITCH	index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+OPTIMIZER_SWITCH	index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 select * from information_schema.session_variables where variable_name='optimizer_switch';
 VARIABLE_NAME	VARIABLE_VALUE
-OPTIMIZER_SWITCH	index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+OPTIMIZER_SWITCH	index_merge=off,index_merge_union=on,index_merge_sort_union=off,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=on,in_to_exists=off,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 set session optimizer_switch="default";
 select @@session.optimizer_switch;
 @@session.optimizer_switch
-index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off
+index_merge=on,index_merge_union=off,index_merge_sort_union=on,index_merge_intersection=off,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=off,derived_merge=off,derived_with_keys=off,firstmatch=off,loosescan=off,materialization=off,in_to_exists=on,semijoin=off,partial_match_rowid_merge=off,partial_match_table_scan=off,subquery_cache=off,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=off,semijoin_with_cache=off,join_cache_incremental=off,join_cache_hashed=off,join_cache_bka=off,optimize_join_buffer_size=off,table_elimination=off,extended_keys=off,exists_to_in=off,orderby_uses_equalities=off,condition_pushdown_for_derived=off,split_materialized=off,condition_pushdown_for_subquery=off,rowid_filter=off,condition_pushdown_from_having=off,not_null_range_scan=off,cost_based_order_by_limit=off
 set optimizer_switch = replace(@@optimizer_switch, '=off', '=on');
 Warnings:
 Warning	1681	'engine_condition_pushdown=on' is deprecated and will be removed in a future release
 select @@optimizer_switch;
 @@optimizer_switch
-index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=on,mrr_sort_keys=on,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=on
+index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=on,engine_condition_pushdown=on,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=on,mrr_cost_based=on,mrr_sort_keys=on,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=on,cost_based_order_by_limit=on
 set global optimizer_switch=1.1;
 ERROR 42000: Incorrect argument type to variable 'optimizer_switch'
 set global optimizer_switch=1e1;
diff --git a/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result b/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
index 78b8ca0263d..50e65af49b4 100644
--- a/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
+++ b/mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result
@@ -2430,7 +2430,7 @@ VARIABLE_COMMENT	Fine-tune the optimizer behavior
 NUMERIC_MIN_VALUE	NULL
 NUMERIC_MAX_VALUE	NULL
 NUMERIC_BLOCK_SIZE	NULL
-ENUM_VALUE_LIST	index_merge,index_merge_union,index_merge_sort_union,index_merge_intersection,index_merge_sort_intersection,engine_condition_pushdown,index_condition_pushdown,derived_merge,derived_with_keys,firstmatch,loosescan,materialization,in_to_exists,semijoin,partial_match_rowid_merge,partial_match_table_scan,subquery_cache,mrr,mrr_cost_based,mrr_sort_keys,outer_join_with_cache,semijoin_with_cache,join_cache_incremental,join_cache_hashed,join_cache_bka,optimize_join_buffer_size,table_elimination,extended_keys,exists_to_in,orderby_uses_equalities,condition_pushdown_for_derived,split_materialized,condition_pushdown_for_subquery,rowid_filter,condition_pushdown_from_having,not_null_range_scan,default
+ENUM_VALUE_LIST	index_merge,index_merge_union,index_merge_sort_union,index_merge_intersection,index_merge_sort_intersection,engine_condition_pushdown,index_condition_pushdown,derived_merge,derived_with_keys,firstmatch,loosescan,materialization,in_to_exists,semijoin,partial_match_rowid_merge,partial_match_table_scan,subquery_cache,mrr,mrr_cost_based,mrr_sort_keys,outer_join_with_cache,semijoin_with_cache,join_cache_incremental,join_cache_hashed,join_cache_bka,optimize_join_buffer_size,table_elimination,extended_keys,exists_to_in,orderby_uses_equalities,condition_pushdown_for_derived,split_materialized,condition_pushdown_for_subquery,rowid_filter,condition_pushdown_from_having,not_null_range_scan,cost_based_order_by_limit,default
 READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	OPTIMIZER_TRACE
diff --git a/sql/sql_priv.h b/sql/sql_priv.h
index e9c5f328cda..bb8b42196f5 100644
--- a/sql/sql_priv.h
+++ b/sql/sql_priv.h
@@ -265,7 +265,7 @@
                                     OPTIMIZER_SWITCH_COND_PUSHDOWN_FOR_SUBQUERY | \
                                     OPTIMIZER_SWITCH_USE_ROWID_FILTER | \
                                     OPTIMIZER_SWITCH_COND_PUSHDOWN_FROM_HAVING | \
-                                    OPTIMIZER_SWITCH_OPTIMIZE_JOIN_BUFFER_SIZE |
+                                    OPTIMIZER_SWITCH_OPTIMIZE_JOIN_BUFFER_SIZE | \
                                     OPTIMIZER_SWITCH_COST_BASED_ORDER_BY_LIMIT)
 
 /*
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 827c272b1ce..7dd7e8dc438 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -8229,6 +8229,8 @@ best_access_path(JOIN      *join,
     join->sort_by_table= (TABLE*) 1;  // Must use temporary table
   }
 
+  trace_access_scan.end();
+
   /*
     Use the estimate of rows read for a table for range/table scan
     from TABLE::quick_condition_rows. This is due to the reason
@@ -8297,7 +8299,6 @@ best_access_path(JOIN      *join,
   pos->sort_nest_operation_here= FALSE;
   pos->index_no= index_picked;
 
-  trace_access_scan.end();
   trace_paths.end();
 
   loose_scan_opt.save_to_position(s, loose_scan_pos);
@@ -13923,7 +13924,7 @@ make_join_readinfo(JOIN *join, ulonglong options, uint no_jbuf_after)
                   sort_nest_info->index_used >= 0)
               {
                 tab->index= sort_nest_info->index_used;
-                tab->limit= tab->records_read;
+                tab->limit= (ha_rows)tab->records_read;
               }
               else
                 tab->index=find_shortest_key(table, &table->covering_keys);
@@ -29140,7 +29141,7 @@ test_if_cheaper_ordering(const JOIN_TAB *tab, ORDER *order, TABLE *table,
         } /* group */
 
         find_cost_of_index_with_ordering(thd, tab, table, &select_limit,
-                                         fanout, refkey_rows_estimate,
+                                         fanout, (double) refkey_rows_estimate,
                                          nr, &index_scan_time,
                                          &possible_key);
 
diff --git a/sql/sql_sort_nest.cc b/sql/sql_sort_nest.cc
index 6fd0958f179..aa1046eef53 100644
--- a/sql/sql_sort_nest.cc
+++ b/sql/sql_sort_nest.cc
@@ -1062,7 +1062,7 @@ int get_best_index_for_order_by_limit(JOIN_TAB *tab,
     {
       best_index= idx;
       *read_time= index_scan_time;
-      *records= select_limit;
+      *records= (double)select_limit;
     }
   }
   considered_indexes.end();
@@ -1198,6 +1198,7 @@ void JOIN::setup_range_scan(JOIN_TAB *tab, uint idx, double records)
   int err, rc, direction;
   uint used_key_parts;
   key_map keymap_for_range;
+  Json_writer_object wrapper(thd);
   Json_writer_array forcing_range(thd, "range_scan_for_order_by_limit");
 
   sel= make_select(tab->table, const_table_map, const_table_map,
@@ -1257,7 +1258,7 @@ void JOIN::setup_range_scan(JOIN_TAB *tab, uint idx, double records)
     taken selectivity of limit into account.
   */
   if (sort_nest_possible && records < tab->quick->records)
-    tab->quick->records= records;
+    tab->quick->records= (ha_rows)records;
 
   sel->quick= NULL;
 
@@ -1557,7 +1558,7 @@ void find_cost_of_index_with_ordering(THD *thd, const JOIN_TAB *tab,
   KEY *keyinfo= table->key_info + nr;
   ha_rows select_limit= *select_limit_arg;
   double rec_per_key;
-  double table_records= table->stat_records();
+  ha_rows table_records= table->stat_records();
   /*
     If tab=tk is not the last joined table tn then to get first
     L records from the result set we can expect to retrieve
@@ -1599,7 +1600,7 @@ void find_cost_of_index_with_ordering(THD *thd, const JOIN_TAB *tab,
    */
 
   if (select_limit > est_best_records)
-    select_limit= table_records;
+    select_limit= (ha_rows) table_records;
   else
     select_limit= (ha_rows) (select_limit *
                              (double) table_records /