diff options
Diffstat (limited to 'sql/event_queue.cc')
| -rw-r--r-- | sql/event_queue.cc | 46 |
1 files changed, 30 insertions, 16 deletions
diff --git a/sql/event_queue.cc b/sql/event_queue.cc index d68dc8ef479..2a354fe6cfd 100644 --- a/sql/event_queue.cc +++ b/sql/event_queue.cc @@ -136,9 +136,9 @@ Event_queue::init_queue(THD *thd) LOCK_QUEUE_DATA(); - if (init_queue_ex(&queue, EVENT_QUEUE_INITIAL_SIZE , 0 /*offset*/, - 0 /*max_on_top*/, event_queue_element_compare_q, - NULL, EVENT_QUEUE_EXTENT)) + if (::init_queue(&queue, EVENT_QUEUE_INITIAL_SIZE , 0 /*offset*/, + 0 /*max_on_top*/, event_queue_element_compare_q, + NullS, 0, EVENT_QUEUE_EXTENT)) { sql_print_error("Event Scheduler: Can't initialize the execution queue"); goto err; @@ -325,11 +325,13 @@ void Event_queue::drop_matching_events(THD *thd, LEX_STRING pattern, bool (*comparator)(LEX_STRING, Event_basic *)) { - uint i= 0; + uint i; DBUG_ENTER("Event_queue::drop_matching_events"); DBUG_PRINT("enter", ("pattern=%s", pattern.str)); - while (i < queue.elements) + for (i= queue_first_element(&queue) ; + i <= queue_last_element(&queue) ; + ) { Event_queue_element *et= (Event_queue_element *) queue_element(&queue, i); DBUG_PRINT("info", ("[%s.%s]?", et->dbname.str, et->name.str)); @@ -339,7 +341,8 @@ Event_queue::drop_matching_events(THD *thd, LEX_STRING pattern, The queue is ordered. If we remove an element, then all elements after it will shift one position to the left, if we imagine it as an array from left to the right. In this case we should not - increment the counter and the (i < queue.elements) condition is ok. + increment the counter and the (i <= queue_last_element() condition + is ok. */ queue_remove(&queue, i); delete et; @@ -403,7 +406,9 @@ Event_queue::find_n_remove_event(LEX_STRING db, LEX_STRING name) uint i; DBUG_ENTER("Event_queue::find_n_remove_event"); - for (i= 0; i < queue.elements; ++i) + for (i= queue_first_element(&queue); + i <= queue_last_element(&queue); + i++) { Event_queue_element *et= (Event_queue_element *) queue_element(&queue, i); DBUG_PRINT("info", ("[%s.%s]==[%s.%s]?", db.str, name.str, @@ -441,7 +446,9 @@ Event_queue::recalculate_activation_times(THD *thd) LOCK_QUEUE_DATA(); DBUG_PRINT("info", ("%u loaded events to be recalculated", queue.elements)); - for (i= 0; i < queue.elements; i++) + for (i= queue_first_element(&queue); + i <= queue_last_element(&queue); + i++) { ((Event_queue_element*)queue_element(&queue, i))->compute_next_execution_time(); ((Event_queue_element*)queue_element(&queue, i))->update_timing_fields(thd); @@ -454,16 +461,19 @@ Event_queue::recalculate_activation_times(THD *thd) have removed all. The queue has been ordered in a way the disabled events are at the end. */ - for (i= queue.elements; i > 0; i--) + for (i= queue_last_element(&queue); + (int) i >= (int) queue_first_element(&queue); + i--) { - Event_queue_element *element = (Event_queue_element*)queue_element(&queue, i - 1); + Event_queue_element *element= + (Event_queue_element*)queue_element(&queue, i); if (element->status != Event_parse_data::DISABLED) break; /* This won't cause queue re-order, because we remove always the last element. */ - queue_remove(&queue, i - 1); + queue_remove(&queue, i); delete element; } UNLOCK_QUEUE_DATA(); @@ -499,7 +509,9 @@ Event_queue::empty_queue() sql_print_information("Event Scheduler: Purging the queue. %u events", queue.elements); /* empty the queue */ - for (i= 0; i < queue.elements; ++i) + for (i= queue_first_element(&queue); + i <= queue_last_element(&queue); + i++) { Event_queue_element *et= (Event_queue_element *) queue_element(&queue, i); delete et; @@ -525,7 +537,9 @@ Event_queue::dbug_dump_queue(time_t now) uint i; DBUG_ENTER("Event_queue::dbug_dump_queue"); DBUG_PRINT("info", ("Dumping queue . Elements=%u", queue.elements)); - for (i = 0; i < queue.elements; i++) + for (i= queue_first_element(&queue); + i <= queue_last_element(&queue); + i++) { et= ((Event_queue_element*)queue_element(&queue, i)); DBUG_PRINT("info", ("et: 0x%lx name: %s.%s", (long) et, @@ -592,7 +606,7 @@ Event_queue::get_top_for_execution_if_time(THD *thd, continue; } - top= ((Event_queue_element*) queue_element(&queue, 0)); + top= (Event_queue_element*) queue_top(&queue); thd->set_current_time(); /* Get current time */ @@ -634,10 +648,10 @@ Event_queue::get_top_for_execution_if_time(THD *thd, top->dbname.str, top->name.str, top->dropped? "Dropping.":""); delete top; - queue_remove(&queue, 0); + queue_remove_top(&queue); } else - queue_replaced(&queue); + queue_replace_top(&queue); dbug_dump_queue(thd->query_start()); break; |