firebird/firebird-mirror
firebird/firebird-mirror
8
0
Fork 1
mirror of https://github.com/FirebirdSQL/firebird.git synced 2025-01-23 22:03:03 +01:00
Code Issues

Fixed FB2 regression

Browse Source
This commit is contained in:
hvlad 2005-10-31 07:28:40 +00:00
parent 351731b98a
commit cf990361db
1 changed files with 14 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
src/jrd/vio.cpp
View File

@ -3515,22 +3515,31 @@ static UCHAR* delete_tail(
// ******************************
// Not all operations on system tables are relevant to inform DFW.
// In particular, changing comments on objects is irrelevant.
// Engine often perform empty update to force some tasks (e.g. to
// recreate index after field type change). So we must return true
// if relevant field changed or if no fields changed. Or we must
// return false if only irrelevant field changed
static bool dfw_should_know(record_param* org_rpb, record_param* new_rpb,
USHORT irrelevant_field)
{
dsc desc2, desc3;
bool irrelevant_changed = false;
for (USHORT iter = 0; iter < org_rpb->rpb_record->rec_format->fmt_count;
++iter)
{
if (iter != irrelevant_field)
const bool a = EVL_field(0, org_rpb->rpb_record, iter, &desc2);
const bool b = EVL_field(0, new_rpb->rpb_record, iter, &desc3);
if (a != b || MOV_compare(&desc2, &desc3))
{
const bool a = EVL_field(0, org_rpb->rpb_record, iter, &desc2);
const bool b = EVL_field(0, new_rpb->rpb_record, iter, &desc3);
if (a != b || MOV_compare(&desc2, &desc3))
if (iter != irrelevant_field) {
return true;
}
else {
irrelevant_changed = true;
}
}
}
return false;
return !irrelevant_changed;
}