compound pk tests (#387)

* compound pk tests

* more details in failure diff

* more elaborate test; the pk-ts one consistently fails

* Fix merge conflict

Co-authored-by: Shlomi Noach <shlomi-noach@github.com>
Co-authored-by: Tim Vaillancourt <timvaillancourt@github.com>
Co-authored-by: Tim Vaillancourt <tim@timvaillancourt.com>

localtests/compound-pk-ts/create.sql

@@ -0,0 +1,40 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  ts0 timestamp(6) default current_timestamp(6),
+  updated tinyint unsigned default 0,
+  primary key(id, ts0)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11, sysdate(6), 0);
+  update gh_ost_test set updated = 1 where i = 11 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 13,  sysdate(6), 0);
+  update gh_ost_test set updated = 1 where i = 13 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 17, sysdate(6), 0);
+  update gh_ost_test set updated = 1 where i = 17 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 19, sysdate(6), 0);
+  update gh_ost_test set updated = 1 where i = 19 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 23, sysdate(6), 0);
+  update gh_ost_test set updated = 1 where i = 23 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 29, sysdate(6), 0);
+  insert into gh_ost_test values (null, 31, sysdate(6), 0);
+  insert into gh_ost_test values (null, 37, sysdate(6), 0);
+  insert into gh_ost_test values (null, 41, sysdate(6), 0);
+  delete from gh_ost_test where i = 31 order by id desc limit 1;
+end ;;

localtests/compound-pk/create.sql

@@ -0,0 +1,40 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  v varchar(128),
+  updated tinyint unsigned default 0,
+  primary key(id, v)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11, 'eleven', 0);
+  update gh_ost_test set updated = 1 where i = 11 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 13,  'thirteen', 0);
+  update gh_ost_test set updated = 1 where i = 13 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 17, 'seventeen', 0);
+  update gh_ost_test set updated = 1 where i = 17 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 19, 'nineteen', 0);
+  update gh_ost_test set updated = 1 where i = 19 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 23, 'twenty three', 0);
+  update gh_ost_test set updated = 1 where i = 23 order by id desc limit 1;
+
+  insert into gh_ost_test values (null, 29, 'twenty nine', 0);
+  insert into gh_ost_test values (null, 31, 'thirty one', 0);
+  insert into gh_ost_test values (null, 37, 'thirty seven', 0);
+  insert into gh_ost_test values (null, 41, 'forty one', 0);
+  delete from gh_ost_test where i = 31 order by id desc limit 1;
+end ;;

localtests/test.sh

@@ -224,6 +224,8 @@ test_single() {
   ghost_checksum=$(cat $ghost_content_output_file | md5sum)
 
   if [ "$orig_checksum" != "$ghost_checksum" ] ; then
+    gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${orig_columns} from gh_ost_test" -ss > $orig_content_output_file
+    gh-ost-test-mysql-replica --default-character-set=utf8mb4 test -e "select ${ghost_columns} from _gh_ost_test_gho" -ss > $ghost_content_output_file
     echo "ERROR $test_name: checksum mismatch"
     echo "---"
     diff $orig_content_output_file $ghost_content_output_file