MDEV-32683 Spider engine does not load with non-default alter-algorithm

specify algorithm/lock explicitly, don't depend on server settings

storage/spider/mysql-test/spider/bugfix/r/mdev_32683.result

+#
+# MDEV-32683 Spider engine does not load with non-default alter-algorithm
+#
+set global alter_algorithm=INSTANT;
+install plugin spider soname 'ha_spider';
+select plugin_name, plugin_status, plugin_type, plugin_license, load_option from information_schema.plugins where plugin_name like 'spider';
+plugin_name	plugin_status	plugin_type	plugin_license	load_option
+SPIDER	ACTIVE	STORAGE ENGINE	GPL	ON
+uninstall plugin spider;
+drop table mysql.spider_link_failed_log, mysql.spider_link_mon_servers, mysql.spider_tables, mysql.spider_table_crd, mysql.spider_table_position_for_recovery, mysql.spider_table_sts, mysql.spider_xa, mysql.spider_xa_failed_log, mysql.spider_xa_member;
+drop function spider_direct_sql;
+drop function spider_bg_direct_sql;
+drop function spider_ping_table;
+drop function spider_copy_tables;
+drop function spider_flush_table_mon_cache;
+set global alter_algorithm=DEFAULT;

storage/spider/mysql-test/spider/bugfix/t/mdev_32683.test

+--echo #
+--echo # MDEV-32683 Spider engine does not load with non-default alter-algorithm
+--echo #
+set global alter_algorithm=INSTANT;
+install plugin spider soname 'ha_spider';
+select plugin_name, plugin_status, plugin_type, plugin_license, load_option from information_schema.plugins where plugin_name like 'spider';
+uninstall plugin spider;
+drop table mysql.spider_link_failed_log, mysql.spider_link_mon_servers, mysql.spider_tables, mysql.spider_table_crd, mysql.spider_table_position_for_recovery, mysql.spider_table_sts, mysql.spider_xa, mysql.spider_xa_failed_log, mysql.spider_xa_member;
+drop function spider_direct_sql;
+drop function spider_bg_direct_sql;
+drop function spider_ping_table;
+drop function spider_copy_tables;
+drop function spider_flush_table_mon_cache;
+set global alter_algorithm=DEFAULT;