/*
* is_class () - check if an object is a class
*
* return : bool
* obj_oid - the oid of the object
* class_oid - the class oid of obj_oid
*
*/
static bool
is_class (OID * obj_oid, OID * class_oid)
{
if (OID_EQ (class_oid, oid_Root_class_oid))
{
return true;
}
return false;
}
/*
* orp_ht_comparef -
* return:
* key1():
* key2():
* r():
*/
static int
orp_ht_comparef (void *key1, void *key2, int *r)
{
OID *oid1 = (OID *) key1;
OID *oid2 = (OID *) key2;
assert (oid1 != NULL);
assert (oid2 != NULL);
*r = OID_EQ (oid1, oid2) ? 0 : OID_GT (oid1, oid2) ? 1 : -1;
return NO_ERROR;
}
/*
* find_oid - search an oid in a list of oids
* return: the index of the oid on success, -1 otherwise
* oid(in): the searched oid
* oids_list(in): the list where oid is searched
* num_class_mops(in): the length of oids_list
*/
static int
find_oid (OID * oid, OID ** oids_list, int num_oids)
{
int i;
if (oid == NULL || oids_list == NULL || num_oids <= 0)
{
return -1;
}
for (i = 0; i < num_oids; i++)
{
if (oids_list[i] == NULL)
{
continue;
}
if (OID_EQ (oid, oids_list[i]))
{
return i;
}
}
return -1;
}
/*
* boot_compact_db - compact specified classes
* HEAP_CACHE_ATTRINFO structure
* return: error status
* class_oids(in): the classes list
* n_classes(in): the class_oids length
* hfids(in): the hfid list
* space_to_process(in): the space to process
* instance_lock_timeout(in): the lock timeout for instances
* class_lock_timeout(in): the lock timeout for instances
* delete_old_repr(in): whether to delete the old class representation
* last_processed_class_oid(in,out): last processed class oid
* last_processed_oid(in,out): last processed oid
* total_objects(out): count processed objects for each class
* failed_objects(out): count failed objects for each class
* modified_objects(out): count modified objects for each class
* big_objects(out): count big objects for each class
* initial_last_repr_id(in, out): the list of initial last class
* representation
*/
int
boot_compact_db (THREAD_ENTRY * thread_p, OID * class_oids, int n_classes,
int space_to_process,
int instance_lock_timeout,
int class_lock_timeout,
bool delete_old_repr,
OID * last_processed_class_oid,
OID * last_processed_oid,
int *total_objects, int *failed_objects,
int *modified_objects, int *big_objects,
int *initial_last_repr_id)
{
int result = NO_ERROR;
int i, j, start_index = -1;
int max_space_to_process, current_tran_index = -1;
int lock_ret;
HFID hfid;
if (boot_can_compact (thread_p) == false)
{
return ER_COMPACTDB_ALREADY_STARTED;
}
if (class_oids == NULL || n_classes <= 0 ||
space_to_process <= 0 || last_processed_class_oid == NULL ||
last_processed_oid == NULL || total_objects == NULL ||
failed_objects == NULL || modified_objects == NULL ||
big_objects == NULL || initial_last_repr_id == NULL)
{
return ER_QPROC_INVALID_PARAMETER;
}
for (start_index = 0; start_index < n_classes; start_index++)
{
if (OID_EQ (class_oids + start_index, last_processed_class_oid))
{
break;
}
}
if (start_index == n_classes)
{
return ER_QPROC_INVALID_PARAMETER;
}
for (i = 0; i < n_classes; i++)
{
total_objects[i] = 0;
failed_objects[i] = 0;
modified_objects[i] = 0;
big_objects[i] = 0;
}
max_space_to_process = space_to_process;
for (i = start_index; i < n_classes; i++)
{
lock_ret = lock_object_waitsecs (thread_p, class_oids + i,
oid_Root_class_oid, IX_LOCK,
LK_UNCOND_LOCK, class_lock_timeout);
if (lock_ret != LK_GRANTED)
{
total_objects[i] = COMPACTDB_LOCKED_CLASS;
OID_SET_NULL (last_processed_oid);
continue;
}
if (heap_get_hfid_from_class_oid (thread_p, class_oids + i, &hfid) !=
NO_ERROR)
{
lock_unlock_object (thread_p, class_oids + i, oid_Root_class_oid,
IX_LOCK, true);
OID_SET_NULL (last_processed_oid);
total_objects[i] = COMPACTDB_INVALID_CLASS;
continue;
}
if (HFID_IS_NULL (&hfid))
{
lock_unlock_object (thread_p, class_oids + i, oid_Root_class_oid,
IX_LOCK, true);
OID_SET_NULL (last_processed_oid);
total_objects[i] = COMPACTDB_INVALID_CLASS;
continue;
}
if (OID_ISNULL (last_processed_oid))
{
initial_last_repr_id[i] =
heap_get_class_repr_id (thread_p, class_oids + i);
if (initial_last_repr_id[i] <= 0)
{
lock_unlock_object (thread_p, class_oids + i,
oid_Root_class_oid, IX_LOCK, true);
total_objects[i] = COMPACTDB_INVALID_CLASS;
continue;
}
}
if (process_class
(thread_p, class_oids + i, &hfid, max_space_to_process,
&instance_lock_timeout, &space_to_process,
last_processed_oid, total_objects + i,
failed_objects + i, modified_objects + i, big_objects + i) !=
NO_ERROR)
{
OID_SET_NULL (last_processed_oid);
for (j = start_index; j <= i; j++)
{
total_objects[j] = COMPACTDB_UNPROCESSED_CLASS;
failed_objects[j] = 0;
modified_objects[j] = 0;
big_objects[j] = 0;
}
result = ER_FAILED;
break;
}
if (delete_old_repr &&
OID_ISNULL (last_processed_oid) && failed_objects[i] == 0 &&
heap_get_class_repr_id (thread_p, class_oids + i) ==
initial_last_repr_id[i])
{
lock_ret = lock_object_waitsecs (thread_p, class_oids + i,
oid_Root_class_oid, X_LOCK,
LK_UNCOND_LOCK,
class_lock_timeout);
if (lock_ret == LK_GRANTED)
{
if (catalog_drop_old_representations (thread_p, class_oids + i)
!= NO_ERROR)
{
for (j = start_index; j <= i; j++)
{
total_objects[j] = COMPACTDB_UNPROCESSED_CLASS;
failed_objects[j] = 0;
modified_objects[j] = 0;
big_objects[j] = 0;
}
result = ER_FAILED;
}
else
{
initial_last_repr_id[i] = COMPACTDB_REPR_DELETED;
}
break;
}
}
if (space_to_process == 0)
{
break;
}
}
if (OID_ISNULL (last_processed_oid))
{
if (i < n_classes - 1)
{
COPY_OID (last_processed_class_oid, class_oids + i + 1);
}
else
{
OID_SET_NULL (last_processed_class_oid);
}
}
else
{
COPY_OID (last_processed_class_oid, class_oids + i);
}
return result;
}
