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Code Issues

Hopefully, this should fix SF #1404157.

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This commit is contained in:
dimitr 2006-01-26 11:17:52 +00:00
parent f0d6bdeea0
commit 2b10a0e4b7
2 changed files with 39 additions and 13 deletions
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49
src/jrd/dfw.epp
View File

@ -2009,26 +2009,43 @@ static bool create_relation(thread_db* tdbb,
if (!REQUEST(irq_c_relation))
REQUEST(irq_c_relation) = request;
/* if this is not a view, create the relation */
/* If relation wasn't found, don't do anymore. This can happen
when the relation is created and deleted in the same transaction. */
if (rel_id && blob_id.isEmpty() && !external_flag)
{
relation = MET_relation(tdbb, rel_id);
DPM_create_relation(tdbb, relation);
}
if (!rel_id)
break;
return true;
case 4:
/* get the relation and flag it to check for dependencies
in the view blr (if it exists) and any computed fields */
relation = MET_relation(tdbb, rel_id);
relation->rel_flags |= REL_get_dependencies;
request = CMP_find_request(tdbb, irq_c_relation2, IRQ_REQUESTS);
/* if this is not a view, create the relation */
FOR(REQUEST_HANDLE request)
X IN RDB$RELATIONS WITH
X.RDB$RELATION_NAME EQ work->dfw_name.c_str()
if (!REQUEST(irq_c_relation2))
REQUEST(irq_c_relation2) = request;
rel_id = X.RDB$RELATION_ID;
relation = MET_relation(tdbb, rel_id);
relation->rel_flags |= REL_get_dependencies;
relation->rel_flags &= ~REL_scanned;
DFW_post_work(transaction, dfw_scan_relation, NULL, rel_id);
END_FOR;
if (!REQUEST(irq_c_relation2))
REQUEST(irq_c_relation2) = request;
if (blob_id.isEmpty())
{
if (!external_flag)
DPM_create_relation(tdbb, relation);
}
break;
}
@ -4426,6 +4443,14 @@ static bool scan_relation(thread_db* tdbb, SSHORT phase, DeferredWork* work,
return true;
case 3:
// dimitr: I suspect that nobody expects an updated format to
// appear at stage 3, so the logic would work reliably
// if this line is removed (and hence we rely on the
// 4th stage only). But I leave it here for the time being.
MET_scan_relation(tdbb, MET_relation(tdbb, work->dfw_id));
return true;
case 4:
MET_scan_relation(tdbb, MET_relation(tdbb, work->dfw_id));
break;
}

3
src/jrd/irq.h
View File

@ -111,7 +111,8 @@ const int irq_l_relation_defsec = 74; /* check the default sec class name agains
const int irq_m_index_seg = 75; /* modify per-segment index selectivity */
const int irq_l_subtype = 76; /* lookup subtype (charset/collation) */
const int irq_c_relation2 = 77; /* create new relation */
const int irq_MAX = 77;
const int irq_MAX = 78;
#endif /* JRD_IRQ_H */