MDEV-19455/MDEV-29342 fixup: Avoid DEBUG_DBUG=-d,...

mysql-test/suite/innodb_fts/r/misc_debug.result

@@ -54,9 +54,8 @@ DROP TABLE t1;
 # MDEV-25663 Double free of transaction during TRUNCATE
 #
 call mtr.add_suppression("InnoDB: \\(Too many concurrent transactions\\)");
-SET DEBUG_DBUG='-d,ib_create_table_fail_too_many_trx';
-CREATE TABLE t1 (b CHAR(12), FULLTEXT KEY(b)) engine=InnoDB;
 SET @save_dbug= @@debug_dbug;
+CREATE TABLE t1 (b CHAR(12), FULLTEXT KEY(b)) engine=InnoDB;
 SET debug_dbug='+d,ib_create_table_fail_too_many_trx';
 TRUNCATE t1;
 ERROR HY000: Got error -1 "Internal error < 0 (Not system error)" from storage engine InnoDB

mysql-test/suite/innodb_fts/r/misc_debug2.result

@@ -10,11 +10,12 @@ DROP TABLE mdev21563;
 #
 CREATE TABLE t1(f1 CHAR(100), FULLTEXT idx(f1))ENGINE=InnoDB;
 INSERT INTO t1 VALUES('mysql'), ('innodb');
+SET @save_dbug=@@debug_dbug;
 set debug_dbug="+d,fts_instrument_sync_debug";
 INSERT INTO t1 VALUES('test');
-set debug_dbug="-d,fts_instrument_sync_debug";
+set debug_dbug=@save_dbug;
 INSERT INTO t1 VALUES('This is a fts issue');
 set debug_dbug="+d,fts_instrument_sync_debug";
 UPDATE t1 SET f1="mariadb";
-set debug_dbug="-d,fts_instrument_sync_debug";
+set debug_dbug=@save_dbug;
 DROP TABLE t1;

mysql-test/suite/innodb_fts/t/misc_debug.test

@@ -84,10 +84,9 @@ DROP TABLE t1;
 --echo # MDEV-25663 Double free of transaction during TRUNCATE
 --echo #
 call mtr.add_suppression("InnoDB: \\(Too many concurrent transactions\\)");
-SET DEBUG_DBUG='-d,ib_create_table_fail_too_many_trx';
+SET @save_dbug= @@debug_dbug;
 
 CREATE TABLE t1 (b CHAR(12), FULLTEXT KEY(b)) engine=InnoDB;
-SET @save_dbug= @@debug_dbug;
 SET debug_dbug='+d,ib_create_table_fail_too_many_trx';
 --error ER_GET_ERRNO
 TRUNCATE t1;

mysql-test/suite/innodb_fts/t/misc_debug2.test

@@ -16,12 +16,13 @@ DROP TABLE mdev21563;
 --echo #
 CREATE TABLE t1(f1 CHAR(100), FULLTEXT idx(f1))ENGINE=InnoDB;
 INSERT INTO t1 VALUES('mysql'), ('innodb');
+SET @save_dbug=@@debug_dbug;
 set debug_dbug="+d,fts_instrument_sync_debug";
 INSERT INTO t1 VALUES('test');
-set debug_dbug="-d,fts_instrument_sync_debug";
+set debug_dbug=@save_dbug;
 INSERT INTO t1 VALUES('This is a fts issue');
 --source include/restart_mysqld.inc
 set debug_dbug="+d,fts_instrument_sync_debug";
 UPDATE t1 SET f1="mariadb";
-set debug_dbug="-d,fts_instrument_sync_debug";
+set debug_dbug=@save_dbug;
 DROP TABLE t1;