--- index_lock_upgrade.result
+++ index_lock_upgrade,off.reject
@@ -64,37 +64,37 @@
 CALL show_index_stats(CONCAT('t1', '_update_null_to_notnull'));
 
 n_index_lock_upgrades_t1_update_null_to_notnull
-414
+6
 
 pessimistic_insert_calls_t1_update_null_to_notnull
-5
+6
 
 pessimistic_delete_calls_t1_update_null_to_notnull
 0
 
 pessimistic_update_calls_t1_update_null_to_notnull
-414
+6
 
 pessimistic_update_optim_err_underflows_t1_update_null_to_notnull
-300
+0
 
 pessimistic_update_optim_err_overflows_t1_update_null_to_notnull
-114
+6
 
 index_x_lock_calls_t1_update_null_to_notnull
 0
 
 index_page_splits_t1_update_null_to_notnull
-5
+6
 
 index_page_merge_attempts_t1_update_null_to_notnull
-300
+0
 
 index_page_merge_successful_t1_update_null_to_notnull
 0
 
 index_page_reorg_successful_t1_update_null_to_notnull
-98
+40
 
 index_page_discards_t1_update_null_to_notnull
 0
@@ -146,22 +146,22 @@
 CALL show_index_stats(CONCAT('t1', '_update_notnull_to_null'));
 
 n_index_lock_upgrades_t1_update_notnull_to_null
-380
+422
 
 pessimistic_insert_calls_t1_update_notnull_to_null
 0
 
 pessimistic_delete_calls_t1_update_notnull_to_null
-5
+6
 
 pessimistic_update_calls_t1_update_notnull_to_null
-380
+422
 
 pessimistic_update_optim_err_underflows_t1_update_notnull_to_null
-311
+342
 
 pessimistic_update_optim_err_overflows_t1_update_notnull_to_null
-69
+80
 
 index_x_lock_calls_t1_update_notnull_to_null
 0
@@ -170,13 +170,13 @@
 0
 
 index_page_merge_attempts_t1_update_notnull_to_null
-311
+342
 
 index_page_merge_successful_t1_update_notnull_to_null
-5
+6
 
 index_page_reorg_successful_t1_update_notnull_to_null
-5
+6
 
 index_page_discards_t1_update_notnull_to_null
 0
@@ -191,13 +191,13 @@
 CALL show_index_stats(CONCAT('t1', '_delete_upper_half'));
 
 n_index_lock_upgrades_t1_delete_upper_half
-183
+186
 
 pessimistic_insert_calls_t1_delete_upper_half
 0
 
 pessimistic_delete_calls_t1_delete_upper_half
-186
+189
 
 pessimistic_update_calls_t1_delete_upper_half
 0
@@ -215,7 +215,7 @@
 0
 
 index_page_merge_attempts_t1_delete_upper_half
-183
+186
 
 index_page_merge_successful_t1_delete_upper_half
 3
@@ -379,37 +379,37 @@
 CALL show_index_stats(CONCAT('t2', '_update_null_to_notnull'));
 
 n_index_lock_upgrades_t2_update_null_to_notnull
-1016
+608
 
 pessimistic_insert_calls_t2_update_null_to_notnull
-9
+10
 
 pessimistic_delete_calls_t2_update_null_to_notnull
 601
 
 pessimistic_update_calls_t2_update_null_to_notnull
-414
+6
 
 pessimistic_update_optim_err_underflows_t2_update_null_to_notnull
-300
+0
 
 pessimistic_update_optim_err_overflows_t2_update_null_to_notnull
-114
+6
 
 index_x_lock_calls_t2_update_null_to_notnull
 0
 
 index_page_splits_t2_update_null_to_notnull
-9
+10
 
 index_page_merge_attempts_t2_update_null_to_notnull
-895
+595
 
 index_page_merge_successful_t2_update_null_to_notnull
 0
 
 index_page_reorg_successful_t2_update_null_to_notnull
-98
+40
 
 index_page_discards_t2_update_null_to_notnull
 3
@@ -461,22 +461,22 @@
 CALL show_index_stats(CONCAT('t2', '_update_notnull_to_null'));
 
 n_index_lock_upgrades_t2_update_notnull_to_null
-583
+625
 
 pessimistic_insert_calls_t2_update_notnull_to_null
 3
 
 pessimistic_delete_calls_t2_update_notnull_to_null
-209
+210
 
 pessimistic_update_calls_t2_update_notnull_to_null
-380
+422
 
 pessimistic_update_optim_err_underflows_t2_update_notnull_to_null
-311
+342
 
 pessimistic_update_optim_err_overflows_t2_update_notnull_to_null
-69
+80
 
 index_x_lock_calls_t2_update_notnull_to_null
 0
@@ -485,13 +485,13 @@
 3
 
 index_page_merge_attempts_t2_update_notnull_to_null
-511
+542
 
 index_page_merge_successful_t2_update_notnull_to_null
-9
+10
 
 index_page_reorg_successful_t2_update_notnull_to_null
-10
+11
 
 index_page_discards_t2_update_notnull_to_null
 0
@@ -506,13 +506,13 @@
 CALL show_index_stats(CONCAT('t2', '_delete_upper_half'));
 
 n_index_lock_upgrades_t2_delete_upper_half
-340
+343
 
 pessimistic_insert_calls_t2_delete_upper_half
 0
 
 pessimistic_delete_calls_t2_delete_upper_half
-344
+347
 
 pessimistic_update_calls_t2_delete_upper_half
 0
@@ -530,7 +530,7 @@
 0
 
 index_page_merge_attempts_t2_delete_upper_half
-340
+343
 
 index_page_merge_successful_t2_delete_upper_half
 4
@@ -694,19 +694,19 @@
 CALL show_index_stats(CONCAT('t3', '_update_null_to_notnull'));
 
 n_index_lock_upgrades_t3_update_null_to_notnull
-1602
+610
 
 pessimistic_insert_calls_t3_update_null_to_notnull
 12
 
 pessimistic_delete_calls_t3_update_null_to_notnull
-602
+601
 
 pessimistic_update_calls_t3_update_null_to_notnull
-1000
+8
 
 pessimistic_update_optim_err_underflows_t3_update_null_to_notnull
-992
+0
 
 pessimistic_update_optim_err_overflows_t3_update_null_to_notnull
 0
@@ -718,10 +718,10 @@
 12
 
 index_page_merge_attempts_t3_update_null_to_notnull
-1587
+595
 
 index_page_merge_successful_t3_update_null_to_notnull
-1
+0
 
 index_page_reorg_successful_t3_update_null_to_notnull
 0
@@ -782,7 +782,7 @@
 3
 
 pessimistic_delete_calls_t3_update_notnull_to_null
-212
+213
 
 pessimistic_update_calls_t3_update_notnull_to_null
 1000
@@ -803,7 +803,7 @@
 1200
 
 index_page_merge_successful_t3_update_notnull_to_null
-12
+13
 
 index_page_reorg_successful_t3_update_notnull_to_null
 0