repair the mtr:main.temptable

kunpengcompute · Jun 21, 2021 · b3de24a · b3de24a
1 parent 03ca18e
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diff --git a/mysql-test/r/explain_tree.result-pq b/mysql-test/r/explain_tree.result-pq
@@ -691,9 +691,10 @@ test.t2	analyze	status	OK
 EXPLAIN format=tree SELECT * FROM t1 WHERE t1.i IN (SELECT t2.i FROM t2);
 EXPLAIN
 -> Parallel scan on <temporary>
-    -> Nested loop inner join  (cost=2.05 rows=4)
-        -> Filter: (t2.i is not null)  (cost=0.65 rows=4)
-            -> PQblock scan on t2 using i1  (cost=0.65 rows=4)
+    -> Nested loop inner join
+        -> Remove duplicates from input sorted on i1
+            -> Filter: (t2.i is not null)  (cost=0.65 rows=4)
+                -> PQblock scan on t2 using i1  (cost=0.65 rows=4)
         -> Single-row index lookup on t1 using PRIMARY (i=t2.i)  (cost=1.10 rows=1)
 
 DROP TABLE t1;

diff --git a/mysql-test/r/loose_scan.result-pq b/mysql-test/r/loose_scan.result-pq
@@ -141,7 +141,7 @@ SELECT t2.col_varchar_key FROM t2 WHERE t2.pk > t1.col_int
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	#	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	#	100.00	NULL
-2	SIMPLE	t2	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	#	100.00	Using where; Using index
+2	SIMPLE	t2	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	#	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t3	NULL	ref	col_varchar_key	col_varchar_key	7	test.t2.col_varchar_key	#	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.t1.col_int' of SELECT #2 was resolved in SELECT #1
@@ -189,15 +189,15 @@ FROM t3 JOIN t4 ON t3.pk = t4.pk
 );
 EXPLAIN
 -> Parallel scan on <temporary>
-    -> Inner hash join (t2.b = t1.a)  (cost=2.90 rows=2)
+    -> Inner hash join (t2.b = t1.a)  (cost=2.00 rows=2)
         -> Table scan on t2  (cost=0.18 rows=3)
         -> Hash
-            -> Nested loop semijoin  (cost=2.05 rows=2)
-                -> Nested loop inner join  (cost=1.15 rows=2)
-                    -> PQblock scan on t1  (cost=0.45 rows=2)
+            -> Nested loop inner join  (cost=1.15 rows=2)
+                -> PQblock scan on t1  (cost=0.45 rows=2)
+                -> Nested loop semijoin with duplicate removal on b_key  (cost=1.00 rows=1)
                     -> Index lookup on t3 using b_key (b=t1.a)  (cost=0.30 rows=1)
-                -> Filter: (t4.pk = t3.pk)  (cost=0.30 rows=1)
-                    -> Table scan on t4  (cost=0.30 rows=2)
+                    -> Filter: (t4.pk = t3.pk)  (cost=0.30 rows=1)
+                        -> Table scan on t4  (cost=0.30 rows=2)
 
 SELECT *
 FROM t1

diff --git a/mysql-test/r/opt_hints_join_order.result-pq b/mysql-test/r/opt_hints_join_order.result-pq
diff --git a/mysql-test/r/opt_hints_subquery.result-pq b/mysql-test/r/opt_hints_subquery.result-pq
diff --git a/mysql-test/r/subquery_exists.result-pq b/mysql-test/r/subquery_exists.result-pq
@@ -269,8 +269,8 @@ pk	uk	ukn	ik	d
 EXPLAIN SELECT * FROM t2 AS ot
 WHERE EXISTS (SELECT * FROM t1 AS it WHERE it.ik = ot.pk);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	3	100.00	Parallel execute (1 workers)
-2	SIMPLE	it	NULL	index	ik	ik	5	NULL	3	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	3	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	it	NULL	index	ik	ik	5	NULL	3	100.00	Using where; Using index; LooseScan
 2	SIMPLE	ot	NULL	eq_ref	PRIMARY	PRIMARY	4	test.it.ik	1	100.00	Using index
 Warnings:
 Note	1276	Field or reference 'test.ot.pk' of SELECT #2 was resolved in SELECT #1

diff --git a/mysql-test/r/subquery_sj_all.result-pq b/mysql-test/r/subquery_sj_all.result-pq
@@ -12170,8 +12170,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where; Using join buffer (hash join)
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12253,7 +12253,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))

diff --git a/mysql-test/r/subquery_sj_all_bka.result-pq b/mysql-test/r/subquery_sj_all_bka.result-pq
@@ -12176,8 +12176,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where; Using join buffer (hash join)
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12259,7 +12259,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))

diff --git a/mysql-test/r/subquery_sj_all_bka_nobnl.result-pq b/mysql-test/r/subquery_sj_all_bka_nobnl.result-pq
@@ -12180,8 +12180,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12263,7 +12263,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))

diff --git a/mysql-test/r/subquery_sj_loosescan.result-pq b/mysql-test/r/subquery_sj_loosescan.result-pq
@@ -8775,8 +8775,8 @@ WHERE innr.col_varchar_key = 'a' OR innr.pk = 8)
 AND outr.col_varchar_nokey < 't'
 ORDER BY outr.col_varchar_key, outr.pk;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort; LooseScan
 2	SIMPLE	outr	NULL	ref	col_varchar_key	col_varchar_key	6	test.innr.col_varchar_key	1	33.33	Using where
 Warnings:
 Note	1003	/* select#1 */ select `test`.`outr`.`col_varchar_key` AS `x`,`test`.`outr`.`pk` AS `y` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_key` = `test`.`innr`.`col_varchar_key`) and (`test`.`outr`.`col_varchar_nokey` < 't') and ((`test`.`innr`.`col_varchar_key` = 'a') or (`test`.`innr`.`pk` = 8))) order by `test`.`outr`.`col_varchar_key`,`test`.`outr`.`pk`
@@ -9866,7 +9866,7 @@ FROM t2 AS it1 JOIN t1 AS it2 ON it2.col_int_key = it1.pk);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	100.00	Parallel execute (1 workers)
 2	SIMPLE	ot1	NULL	index	col_varchar_key	col_varchar_key	10	NULL	20	100.00	Using index
-2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index
+2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index; LooseScan
 2	SIMPLE	it2	NULL	ref	col_int_key	col_int_key	4	test.it1.pk	1	10.00	Using where; FirstMatch(it1)
 2	SIMPLE	ot2	NULL	ALL	NULL	NULL	NULL	NULL	20	10.00	Using where; Using join buffer (hash join)
 Warnings:
@@ -12088,8 +12088,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where; Using join buffer (hash join)
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12171,7 +12171,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))

diff --git a/mysql-test/r/subquery_sj_loosescan_bka.result-pq b/mysql-test/r/subquery_sj_loosescan_bka.result-pq
@@ -8776,8 +8776,8 @@ WHERE innr.col_varchar_key = 'a' OR innr.pk = 8)
 AND outr.col_varchar_nokey < 't'
 ORDER BY outr.col_varchar_key, outr.pk;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort; LooseScan
 2	SIMPLE	outr	NULL	ref	col_varchar_key	col_varchar_key	6	test.innr.col_varchar_key	1	33.33	Using where
 Warnings:
 Note	1003	/* select#1 */ select `test`.`outr`.`col_varchar_key` AS `x`,`test`.`outr`.`pk` AS `y` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_key` = `test`.`innr`.`col_varchar_key`) and (`test`.`outr`.`col_varchar_nokey` < 't') and ((`test`.`innr`.`col_varchar_key` = 'a') or (`test`.`innr`.`pk` = 8))) order by `test`.`outr`.`col_varchar_key`,`test`.`outr`.`pk`
@@ -9867,7 +9867,7 @@ FROM t2 AS it1 JOIN t1 AS it2 ON it2.col_int_key = it1.pk);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	100.00	Parallel execute (1 workers)
 2	SIMPLE	ot1	NULL	index	col_varchar_key	col_varchar_key	10	NULL	20	100.00	Using index
-2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index
+2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index; LooseScan
 2	SIMPLE	it2	NULL	ref	col_int_key	col_int_key	4	test.it1.pk	1	10.00	Using where; FirstMatch(it1)
 2	SIMPLE	ot2	NULL	ALL	NULL	NULL	NULL	NULL	20	10.00	Using where; Using join buffer (hash join)
 Warnings:
@@ -12089,8 +12089,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where; Using join buffer (hash join)
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12172,7 +12172,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))

diff --git a/mysql-test/r/subquery_sj_loosescan_bka_nobnl.result-pq b/mysql-test/r/subquery_sj_loosescan_bka_nobnl.result-pq
@@ -8778,8 +8778,8 @@ WHERE innr.col_varchar_key = 'a' OR innr.pk = 8)
 AND outr.col_varchar_nokey < 't'
 ORDER BY outr.col_varchar_key, outr.pk;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	55.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	55.00	Using where; Using index; Using temporary; Using filesort; LooseScan
 2	SIMPLE	outr	NULL	ref	col_varchar_key	col_varchar_key	6	test.innr.col_varchar_key	1	33.33	Using where
 Warnings:
 Note	1003	/* select#1 */ select `test`.`outr`.`col_varchar_key` AS `x`,`test`.`outr`.`pk` AS `y` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_key` = `test`.`innr`.`col_varchar_key`) and (`test`.`outr`.`col_varchar_nokey` < 't') and ((`test`.`innr`.`col_varchar_key` = 'a') or (`test`.`innr`.`pk` = 8))) order by `test`.`outr`.`col_varchar_key`,`test`.`outr`.`pk`
@@ -9869,7 +9869,7 @@ FROM t2 AS it1 JOIN t1 AS it2 ON it2.col_int_key = it1.pk);
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	20	100.00	Parallel execute (1 workers)
 2	SIMPLE	ot1	NULL	index	col_varchar_key	col_varchar_key	10	NULL	20	100.00	Using index
-2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index
+2	SIMPLE	it1	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	10	NULL	20	80.00	Using index; LooseScan
 2	SIMPLE	it2	NULL	ref	col_int_key	col_int_key	4	test.it1.pk	1	10.00	Using where; FirstMatch(it1)
 2	SIMPLE	ot2	NULL	ALL	NULL	NULL	NULL	NULL	20	10.00	Using where
 Warnings:
@@ -12083,8 +12083,8 @@ WHERE innr.pk <= 7
 )
 ;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	Parallel execute (1 workers)
-2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index
+1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	2	100.00	LooseScan; Parallel execute (1 workers)
+2	SIMPLE	innr	NULL	index	PRIMARY,col_varchar_key	col_varchar_key	7	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	outr	NULL	ALL	NULL	NULL	NULL	NULL	3	33.33	Using where
 Warnings:
 Note	1003	/* select#1 */ select 1 AS `1` from `test`.`t1` `outr` semi join (`test`.`t2` `innr`) where ((`test`.`outr`.`col_varchar_nokey` = `test`.`innr`.`col_varchar_key`) and (`test`.`innr`.`pk` <= 7))
@@ -12166,7 +12166,7 @@ WHERE t3.pk < 3
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
 1	SIMPLE	<gather2>	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	Parallel execute (1 workers)
 2	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	1	100.00	NULL
-2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index
+2	SIMPLE	t3	NULL	index	PRIMARY,c1_key	c1_key	6	NULL	2	100.00	Using where; Using index; LooseScan
 2	SIMPLE	t2	NULL	ref	PRIMARY,c1_key	c1_key	6	test.t3.c1	1	33.33	Using where; Using index
 Warnings:
 Note	1003	/* select#1 */ select `test`.`t1`.`pk` AS `pk`,`test`.`t1`.`i1` AS `i1`,`test`.`t2`.`pk` AS `pk`,`test`.`t2`.`c1` AS `c1` from `test`.`t1` join `test`.`t2` semi join (`test`.`t3`) where ((`test`.`t2`.`c1` = `test`.`t3`.`c1`) and (`test`.`t3`.`pk` < 3) and (`test`.`t1`.`i1` >= `test`.`t2`.`pk`))