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-rw-r--r--mysql-test/suite/sys_vars/r/replicate_do_db_basic.result4
-rw-r--r--mysql-test/suite/sys_vars/t/replicate_do_db_basic.test3
-rw-r--r--sql/sys_vars.ic6
3 files changed, 12 insertions, 1 deletions
diff --git a/mysql-test/suite/sys_vars/r/replicate_do_db_basic.result b/mysql-test/suite/sys_vars/r/replicate_do_db_basic.result
index a05b85a9bfd..54adf835962 100644
--- a/mysql-test/suite/sys_vars/r/replicate_do_db_basic.result
+++ b/mysql-test/suite/sys_vars/r/replicate_do_db_basic.result
@@ -37,5 +37,9 @@ SET @@GLOBAL.replicate_do_db=null;
SELECT @@GLOBAL.replicate_do_db;
@@GLOBAL.replicate_do_db
+SET @@GLOBAL.replicate_do_db=DEFAULT;
+SELECT @@GLOBAL.replicate_do_db;
+@@GLOBAL.replicate_do_db
+
# Cleanup.
SET @@GLOBAL.replicate_do_db = @save_replicate_do_db;
diff --git a/mysql-test/suite/sys_vars/t/replicate_do_db_basic.test b/mysql-test/suite/sys_vars/t/replicate_do_db_basic.test
index 59d0176add2..b7004d1938b 100644
--- a/mysql-test/suite/sys_vars/t/replicate_do_db_basic.test
+++ b/mysql-test/suite/sys_vars/t/replicate_do_db_basic.test
@@ -38,5 +38,8 @@ SELECT @@GLOBAL.replicate_do_db;
SET @@GLOBAL.replicate_do_db=null;
SELECT @@GLOBAL.replicate_do_db;
+SET @@GLOBAL.replicate_do_db=DEFAULT;
+SELECT @@GLOBAL.replicate_do_db;
+
--echo # Cleanup.
SET @@GLOBAL.replicate_do_db = @save_replicate_do_db;
diff --git a/sql/sys_vars.ic b/sql/sys_vars.ic
index ae4568866b7..737f9bb545c 100644
--- a/sql/sys_vars.ic
+++ b/sql/sys_vars.ic
@@ -614,7 +614,11 @@ public:
{ DBUG_ASSERT(FALSE); }
void global_save_default(THD *thd, set_var *var)
- { DBUG_ASSERT(FALSE); }
+ {
+ char *ptr= (char*)(intptr)option.def_value;
+ var->save_result.string_value.str= ptr;
+ var->save_result.string_value.length= ptr ? strlen(ptr) : 0;
+ }
bool session_update(THD *thd, set_var *var)
{