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Bug#28641 CREATE EVENT with '2038.01.18 03:00:00' let server crash.

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Creating an EVENT to be executed at a time close to the end of the allowed
range (2038.01.19 03:14:07 UTC) would cause the server to crash. The
expected behavior is to accept all calendar times within the interval and
reject all other values without crashing.

This patch replaces the function 'sec_to_epoch_TIME' with a Time_zone API call.
This function was broken because it invoked the internal function 'sec_to_epoch'
without respecting the restrictions on the function parameters (and this caused
assertion failure). It also was used as a reverse function to
Time_zone_utc::gmt_sec_to_TIME which it isn't.
This commit is contained in:
thek@adventure.(none)
2007-07-25 09:43:49 +02:00
parent 0d027edd6a
commit 13d5119416
7 changed files with 35 additions and 22 deletions
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9
sql/event_data_objects.cc
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@ -979,17 +979,18 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
DBUG_RETURN(TRUE);
starts_null= table->field[ET_FIELD_STARTS]->is_null();
my_bool not_used= FALSE;
if (!starts_null)
{
table->field[ET_FIELD_STARTS]->get_date(&time, TIME_NO_ZERO_DATE);
starts= sec_since_epoch_TIME(&time);
starts= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
}
ends_null= table->field[ET_FIELD_ENDS]->is_null();
if (!ends_null)
{
table->field[ET_FIELD_ENDS]->get_date(&time, TIME_NO_ZERO_DATE);
ends= sec_since_epoch_TIME(&time);
ends= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
}
if (!table->field[ET_FIELD_INTERVAL_EXPR]->is_null())
@ -1007,7 +1008,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
if (table->field[ET_FIELD_EXECUTE_AT]->get_date(&time,
TIME_NO_ZERO_DATE))
DBUG_RETURN(TRUE);
execute_at= sec_since_epoch_TIME(&time);
execute_at= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
}
/*
@ -1039,7 +1040,7 @@ Event_queue_element::load_from_row(THD *thd, TABLE *table)
{
table->field[ET_FIELD_LAST_EXECUTED]->get_date(&time,
TIME_NO_ZERO_DATE);
last_executed= sec_since_epoch_TIME(&time);
last_executed= my_tz_OFFSET0->TIME_to_gmt_sec(&time,&not_used);
}
last_executed_changed= FALSE;