MDEV-25792 server hangs on early shutdown if InnoDB needs to purge indexed virtual columns

if the server isn't started and innodb initiated a shutdown process - don't wait for the server to start, it won't

Author: vuvova

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

@@ -0,0 +1,24 @@
+call mtr.add_suppression('SQL_ERROR_LOG');
+call mtr.add_suppression('Failed to initialize plugins');
+call mtr.add_suppression('Aborting');
+create table t1(a int primary key, b int as (100-a*a), index(b)) engine=innodb;
+insert t1 (a) values(1),(2),(3);
+start transaction;
+select * from t1 order by a;
+a	b
+1	99
+2	96
+3	91
+connect con1, localhost, root;
+delete from t1 where a=2;
+flush tables;
+connection default;
+# Kill the server
+# Failed restart
+# Start the server
+# restart
+select * from t1 order by a;
+a	b
+1	99
+3	91
+drop table t1;

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

@@ -0,0 +1,28 @@
+source include/have_innodb.inc;
+# need to restart server
+source include/not_embedded.inc;
+
+call mtr.add_suppression('SQL_ERROR_LOG');
+call mtr.add_suppression('Failed to initialize plugins');
+call mtr.add_suppression('Aborting');
+
+if (!$SQL_ERRLOG_SO) {
+ skip No SQL_ERROR_LOG plugin;
+}
+
+create table t1(a int primary key, b int as (100-a*a), index(b)) engine=innodb;
+insert t1 (a) values(1),(2),(3);
+start transaction;
+select * from t1 order by a;
+connect(con1, localhost, root);
+delete from t1 where a=2;
+flush tables;
+connection default;
+source include/kill_mysqld.inc;
+echo # Failed restart;
+error 1;
+exec $MYSQLD_LAST_CMD --plugin-load-add=$SQL_ERRLOG_SO --sql-error-log=FORCE --sql-error-log-filename=$MYSQLTEST_VARDIR/nonexistent/nonexistent;
+echo # Start the server;
+source include/start_mysqld.inc;
+select * from t1 order by a;
+drop table t1;

storage/innobase/row/row0purge.cc

@@ -957,7 +957,7 @@ row_purge_parse_undo_rec(
 if (!mysqld_server_started) {
 
 node->close_table();
-if (srv_shutdown_state > SRV_SHUTDOWN_INITIATED) {
+if (srv_shutdown_state > SRV_SHUTDOWN_NONE) {
 return(false);
 }
 os_thread_sleep(1000000);