MDEV-35049: Improve test coverage

innodb.lock_memory: Allow the test to run with
./mtr --mysqld=--loose-innodb-adaptive-hash-index.

main.row_filter_innodb,ahi: A new combination for
innodb_adaptive_hash_index=ON.

Author: dr-m

mysql-test/main/rowid_filter_innodb,ahi.rdiff

@@ -0,0 +1,29 @@
+--- rowid_filter_innodb.result
++++ rowid_filter_innodb,ahi.result
+@@ -2,7 +2,7 @@
+ SET @save_stats_persistent=@@GLOBAL.innodb_stats_persistent;
+ SET GLOBAL innodb_stats_persistent=0;
+ SET @save_ahi=@@GLOBAL.innodb_adaptive_hash_index;
+-SET GLOBAL innodb_adaptive_hash_index=OFF;
++SET GLOBAL innodb_adaptive_hash_index=ON;
+ DROP DATABASE IF EXISTS dbt3_s001;
+ CREATE DATABASE dbt3_s001;
+ use dbt3_s001;
+@@ -2059,7 +2059,7 @@
+           "r_table_time_ms": "REPLACED",
+           "r_other_time_ms": "REPLACED",
+           "r_engine_stats": {
+-            "pages_accessed": 84
++            "pages_accessed": 6
+           },
+           "filtered": "REPLACED",
+           "r_total_filtered": 2.43902439,
+@@ -2227,7 +2227,7 @@
+           "r_table_time_ms": "REPLACED",
+           "r_other_time_ms": "REPLACED",
+           "r_engine_stats": {
+-            "pages_accessed": 84
++            "pages_accessed": 2
+           },
+           "filtered": "REPLACED",
+           "r_total_filtered": 2.43902439,

mysql-test/main/rowid_filter_innodb.combinations

@@ -0,0 +1,2 @@
+[normal]
+[ahi]

mysql-test/main/rowid_filter_innodb.result

@@ -1,6 +1,8 @@
 SET SESSION DEFAULT_STORAGE_ENGINE='InnoDB';
 SET @save_stats_persistent=@@GLOBAL.innodb_stats_persistent;
 SET GLOBAL innodb_stats_persistent=0;
+SET @save_ahi=@@GLOBAL.innodb_adaptive_hash_index;
+SET GLOBAL innodb_adaptive_hash_index=OFF;
 DROP DATABASE IF EXISTS dbt3_s001;
 CREATE DATABASE dbt3_s001;
 use dbt3_s001;
@@ -2287,6 +2289,7 @@ ALTER TABLE orders DROP COLUMN o_totaldiscount;
 DROP VIEW v1;
 DROP DATABASE dbt3_s001;
 use test;
+SET GLOBAL innodb_adaptive_hash_index=@save_ahi;
 SET GLOBAL innodb_stats_persistent=@save_stats_persistent;
 #
 # MDEV-18755: possible RORI-plan and possible plan with range filter

mysql-test/main/rowid_filter_innodb.test

@@ -13,8 +13,17 @@ SET SESSION DEFAULT_STORAGE_ENGINE='InnoDB';
 SET @save_stats_persistent=@@GLOBAL.innodb_stats_persistent;
 SET GLOBAL innodb_stats_persistent=0;
 
+SET @save_ahi=@@GLOBAL.innodb_adaptive_hash_index;
+if ($MTR_COMBINATION_AHI) {
+SET GLOBAL innodb_adaptive_hash_index=ON;
+}
+if (!$MTR_COMBINATION_AHI) {
+SET GLOBAL innodb_adaptive_hash_index=OFF;
+}
+
 --source rowid_filter.test
 
+SET GLOBAL innodb_adaptive_hash_index=@save_ahi;
 SET GLOBAL innodb_stats_persistent=@save_stats_persistent;
 
 --source include/have_sequence.inc

mysql-test/suite/innodb/r/lock_memory.result

@@ -1,6 +1,8 @@
 #
 # MDEV-28800 SIGABRT due to running out of memory for InnoDB locks
 #
+SET @save_ahi=@@GLOBAL.innodb_adaptive_hash_index;
+SET GLOBAL innodb_adaptive_hash_index=OFF;
 CREATE TABLE t1 (col1 INT) ENGINE=InnoDB;
 INSERT INTO t1 VALUES (1),(2),(3),(4);
 INSERT INTO t1 SELECT * FROM t1;
@@ -18,3 +20,4 @@ SELECT COUNT(*) FROM t1;
 COUNT(*)
 65552
 DROP TABLE t1;
+SET GLOBAL innodb_adaptive_hash_index=@save_ahi;

mysql-test/suite/innodb/t/lock_memory.test

@@ -5,6 +5,9 @@
 --echo # MDEV-28800 SIGABRT due to running out of memory for InnoDB locks
 --echo #
 
+SET @save_ahi=@@GLOBAL.innodb_adaptive_hash_index;
+SET GLOBAL innodb_adaptive_hash_index=OFF;
+
 CREATE TABLE t1 (col1 INT) ENGINE=InnoDB;
 
 INSERT INTO t1 VALUES (1),(2),(3),(4);
@@ -27,3 +30,4 @@ COMMIT;
 SELECT COUNT(*) FROM t1;
 
 DROP TABLE t1;
+SET GLOBAL innodb_adaptive_hash_index=@save_ahi;