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authorMarko Mäkelä <marko.makela@mariadb.com>2019-10-11 14:02:35 +0300
committerMarko Mäkelä <marko.makela@mariadb.com>2019-10-11 14:02:35 +0300
commit4ebaf8136096a5bd383971f93f6bb0b0df83cd43 (patch)
treeb51875157e207f08b3e6e746ed7ab4eedf0f837e /mysql-test/t/drop_debug.test
parentdb9a4d928dc8e81ce449b54ef0bf02c248d931d4 (diff)
downloadmariadb-git-4ebaf8136096a5bd383971f93f6bb0b0df83cd43.tar.gz
MDEV-19455: Avoid SET DEBUG_DBUG='-d,...' construct
Apply the correct pattern for debug instrumentation: SET @save_dbug=@@debug_dbug; SET debug_dbug='+d,...'; ... SET debug_dbug=@save_dbug; Numerous tests use statements of the form SET debug_dbug='-d,...'; which will inadvertently enable all DBUG tracing output, causing unnecessary waste of resources.
Diffstat (limited to 'mysql-test/t/drop_debug.test')
-rw-r--r--mysql-test/t/drop_debug.test8
1 files changed, 2 insertions, 6 deletions
diff --git a/mysql-test/t/drop_debug.test b/mysql-test/t/drop_debug.test
index 21069b57285..4ba16f1cc20 100644
--- a/mysql-test/t/drop_debug.test
+++ b/mysql-test/t/drop_debug.test
@@ -10,17 +10,13 @@
--echo # --
--echo
---disable_warnings
-DROP DATABASE IF EXISTS mysql_test;
---enable_warnings
-
---echo
CREATE DATABASE mysql_test;
CREATE TABLE mysql_test.t1(a INT);
CREATE TABLE mysql_test.t2(b INT);
CREATE TABLE mysql_test.t3(c INT);
--echo
+SET @save_dbug = @@debug_dbug;
SET SESSION debug_dbug= "+d,bug43138";
--echo
@@ -28,7 +24,7 @@ SET SESSION debug_dbug= "+d,bug43138";
DROP DATABASE mysql_test;
--echo
-SET SESSION debug_dbug= "-d,bug43138";
+SET SESSION debug_dbug=@save_dbug;
--echo
--echo # --