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Code Issues

use NULL pointer instead of temporal empy Stack - noticed by Claudio

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This commit is contained in:
alexpeshkoff 2004-04-22 14:49:16 +00:00
parent cc14717006
commit fe46856d1e
3 changed files with 16 additions and 14 deletions
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10
src/jrd/dpm.epp
View File

@ -2043,7 +2043,7 @@ void DPM_rewrite_header( thread_db* tdbb, record_param* rpb)
}
void DPM_update( thread_db* tdbb, record_param* rpb, PageStack& stack,
void DPM_update( thread_db* tdbb, record_param* rpb, PageStack* stack,
const jrd_tra* transaction)
{
/**************************************
@ -2079,8 +2079,12 @@ void DPM_update( thread_db* tdbb, record_param* rpb, PageStack& stack,
replacement record. */
DEBUG
while (stack.notEmpty()) {
CCH_precedence(tdbb, &rpb->rpb_window, stack.pop());
if (stack)
{
while (stack->notEmpty())
{
CCH_precedence(tdbb, &rpb->rpb_window, stack->pop());
}
}
CCH_precedence(tdbb, &rpb->rpb_window, -rpb->rpb_transaction_nr);

2
src/jrd/dpm_proto.h
View File

@ -60,7 +60,7 @@ void DPM_scan_pages(Jrd::thread_db*);
void DPM_store(Jrd::thread_db*, Jrd::record_param*, Jrd::PageStack&, USHORT);
SLONG DPM_store_blob(Jrd::thread_db*, Jrd::blb*, Jrd::Record*);
void DPM_rewrite_header(Jrd::thread_db*, Jrd::record_param*);
void DPM_update(Jrd::thread_db*, Jrd::record_param*, Jrd::PageStack&, const Jrd::jrd_tra*);
void DPM_update(Jrd::thread_db*, Jrd::record_param*, Jrd::PageStack*, const Jrd::jrd_tra*);
#endif // JRD_DPM_PROTO_H

18
src/jrd/vio.cpp
View File

@ -119,7 +119,7 @@ static int prepare_update(thread_db*, jrd_tra*, SLONG, record_param*,
static void purge(thread_db*, record_param*);
static Record* replace_gc_record(jrd_rel*, Record**, USHORT);
static void replace_record(thread_db*, record_param*, PageStack&, const jrd_tra*);
static void replace_record(thread_db*, record_param*, PageStack*, const jrd_tra*);
static void set_system_flag(record_param*, USHORT, SSHORT);
static void update_in_place(thread_db*, jrd_tra*, record_param*, record_param*);
static void verb_post(thread_db*, jrd_tra*, record_param*, Record*, record_param*,
@ -372,8 +372,7 @@ void VIO_backout(thread_db* tdbb, record_param* rpb, const jrd_tra* transaction)
rpb->rpb_format_number = temp.rpb_format_number;
if (temp2.rpb_flags & rpb_deleted) {
PageStack empty;
replace_record(tdbb, rpb, empty, transaction);
replace_record(tdbb, rpb, 0, transaction);
if (!DPM_fetch(tdbb, &temp, LCK_write))
BUGCHECK(291); /* msg 291 cannot find record back version */
delete_record(tdbb, &temp, rpb->rpb_page, 0);
@ -384,8 +383,7 @@ void VIO_backout(thread_db* tdbb, record_param* rpb, const jrd_tra* transaction)
rpb->rpb_flags &=
~(rpb_fragment | rpb_incomplete | rpb_chained | rpb_gc_active);
PageStack empty;
DPM_update(tdbb, rpb, empty, transaction);
DPM_update(tdbb, rpb, 0, transaction);
delete_tail(tdbb, &temp2, rpb->rpb_page, 0, 0);
/* Next, delete the old copy of the now current version. */
@ -1437,7 +1435,7 @@ void VIO_erase(thread_db* tdbb, record_param* rpb, jrd_tra* transaction)
rpb->rpb_flags |= rpb_deleted;
rpb->rpb_flags &= ~rpb_delta;
replace_record(tdbb, rpb, stack, transaction);
replace_record(tdbb, rpb, &stack, transaction);
}
/* Check to see if recursive revoke needs to be propogated */
@ -2251,7 +2249,7 @@ void VIO_modify(thread_db* tdbb, record_param* org_rpb, record_param* new_rpb,
org_rpb->rpb_flags &= ~rpb_delta;
org_rpb->rpb_flags |= new_rpb->rpb_flags & rpb_delta;
replace_record(tdbb, org_rpb, stack, transaction);
replace_record(tdbb, org_rpb, &stack, transaction);
if (!(transaction->tra_flags & TRA_system) &&
(transaction->tra_save_point) &&
@ -2373,7 +2371,7 @@ bool VIO_writelock(thread_db* tdbb, record_param* org_rpb, RecordSource* rsb,
org_rpb->rpb_length = org_record->rec_format->fmt_length;
org_rpb->rpb_flags |= rpb_delta;
replace_record(tdbb, org_rpb, stack, transaction);
replace_record(tdbb, org_rpb, &stack, transaction);
if (!(transaction->tra_flags & TRA_system) &&
(transaction->tra_save_point))
@ -4497,7 +4495,7 @@ static Record* replace_gc_record(jrd_rel* relation, Record** gc_record, USHORT l
static void replace_record(thread_db* tdbb,
record_param* rpb,
PageStack& stack,
PageStack* stack,
const jrd_tra* transaction)
{
/**************************************
@ -4668,7 +4666,7 @@ static void update_in_place(
org_rpb->rpb_format_number = new_rpb->rpb_format_number;
DEBUG;
replace_record(tdbb, org_rpb, stack, transaction);
replace_record(tdbb, org_rpb, &stack, transaction);
DEBUG;
org_rpb->rpb_address = address;