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Code Issues

Attempt to fix bug "cannot find record fragment"

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This commit is contained in:
hvlad 2005-03-26 11:43:52 +00:00
parent a546c24267
commit 2c9fbae58f
1 changed files with 10 additions and 6 deletions
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16
src/jrd/vio.cpp
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@ -1935,7 +1935,7 @@ bool VIO_get_current(
}
else {
state = TRA_wait(tdbb, transaction, rpb->rpb_transaction_nr,
jrd_tra::tra_probe);
jrd_tra::tra_probe);
if (state == tra_active) {
THREAD_EXIT();
@ -3793,15 +3793,16 @@ static THREAD_ENTRY_DECLARE garbage_collector(THREAD_ENTRY_PARAM arg)
Express interest in the relation to prevent it from being deleted
out from under us while garbage collection is in-progress. */
//hvlad: skip system relations
vec* vector = dbb->dbb_relations;
for (ULONG id = 0; vector && id < vector->count(); ++id) {
for (ULONG id = USER_DEF_REL_INIT_ID; vector && id < vector->count(); ++id) {
relation = (jrd_rel*) (*vector)[id];
RelationGarbage *relGarbage =
relation ? (RelationGarbage*)relation->rel_garbage : NULL;
if (relation && (relation->rel_gc_bitmap || relGarbage) &&
!(relation->rel_flags & (REL_deleted | REL_deleting)))
!(relation->rel_flags & (REL_deleted | REL_deleting | REL_system)))
{
if (relGarbage) {
relGarbage->getGarbage(dbb->dbb_oldest_snapshot,
@ -3850,8 +3851,7 @@ static THREAD_ENTRY_DECLARE garbage_collector(THREAD_ENTRY_PARAM arg)
while (VIO_next_record(tdbb, &rpb, NULL, transaction,
NULL, false, true))
{
if (rpb.rpb_window.win_bdb)
CCH_RELEASE(tdbb, &rpb.rpb_window);
CCH_RELEASE(tdbb, &rpb.rpb_window);
if (!(dbb->dbb_flags & DBB_garbage_collector)) {
--relation->rel_sweep_count;
@ -4119,6 +4119,10 @@ static void notify_garbage_collector(thread_db* tdbb, record_param* rpb, SLONG t
if (tranid == -1)
tranid = rpb->rpb_transaction_nr;
// system transaction has its own rules
if (tranid == 0)
return;
/* If this is a large sequential scan then defer the release
of the data page to the LRU tail until the garbage collector
can garbage collect the page. */
@ -4460,7 +4464,7 @@ static int prepare_update( thread_db* tdbb,
else {
state =
TRA_wait(tdbb, transaction, rpb->rpb_transaction_nr,
jrd_tra::tra_probe);
jrd_tra::tra_probe);
if (state == tra_active) {
THREAD_EXIT();