Implement a parameter for wait_all_purged.inc

mysql-test/suite/gcol/t/innodb_virtual_debug_purge.test

@@ -124,7 +124,7 @@ SELECT * FROM t1;
 
 DROP TABLE t1;
 
-# Test adding virutal index on existing virtual column
+# Test adding index on existing virtual column
 CREATE TABLE t1 (a INT, b INT, c INT GENERATED ALWAYS AS(a+b));
 
 INSERT INTO t1(a, b) VALUES (1, 1), (2, 2), (3, 3), (4, 4);
@@ -156,7 +156,9 @@ INSERT INTO t1(a, b) VALUES (8, 8);
 COMMIT;
 
 --echo # wait for purge to process the deleted/updated records.
+let $wait_all_purged=1;
 --source ../../innodb/include/wait_all_purged.inc
+let $wait_all_purged=0;
 
 SET DEBUG_SYNC= 'now SIGNAL purged';
 

mysql-test/suite/innodb/include/wait_all_purged.inc

 # Wait for everything to be purged.
 # The user should have set innodb_purge_rseg_truncate_frequency=1.
 
+if (!$wait_all_purged)
+{
+  let $wait_all_purged= 0;
+}
+let $remaining_expect= `select concat('InnoDB		',$wait_all_purged)`;
+
 let $wait_counter= 300;
 while ($wait_counter)
 {
     --replace_regex /.*History list length ([0-9]+).*/\1/
     let $remaining= `SHOW ENGINE INNODB STATUS`;
-    if ($remaining == 'InnoDB		0')
+    if ($remaining == $remaining_expect)
     {
         let $wait_counter= 0;
     }