null,
  OBJECT_INSTANCE_BEGIN BIGINT unsigned not null,
  OWNER_THREAD_ID BIGINT unsigned,
  OWNER_EVENT_ID BIGINT unsigned,
  INTERNAL_LOCK VARCHAR(64),
  EXTERNAL_LOCK VARCHAR(64),
  PRIMARY KEY (OBJECT_INSTANCE_BEGIN) USING HASH,
  KEY (OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME) USING HASH,
  KEY (OWNER_THREAD_ID, OWNER_EVENT_ID) USING HASH