diff options
Diffstat (limited to 'sql/mdl.h')
| -rw-r--r-- | sql/mdl.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sql/mdl.h b/sql/mdl.h index dd10b3a45d0..f6b7154fba0 100644 --- a/sql/mdl.h +++ b/sql/mdl.h @@ -124,6 +124,8 @@ public: */ enum enum_mdl_type { + /* This means that the MDL_request is not initialized */ + MDL_NOT_INITIALIZED= -1, /* An intention exclusive metadata lock (IX). Used only for scoped locks. Owner of this type of lock can acquire upgradable exclusive locks on @@ -599,12 +601,13 @@ public: */ MDL_request& operator=(const MDL_request &) { + type= MDL_NOT_INITIALIZED; ticket= NULL; /* Do nothing, in particular, don't try to copy the key. */ return *this; } /* Another piece of ugliness for TABLE_LIST constructor */ - MDL_request() {} + MDL_request(): type(MDL_NOT_INITIALIZED), ticket(NULL) {} MDL_request(const MDL_request *rhs) :type(rhs->type), |