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lmgr.c:DescribeLockTag was never taught about virtual xids, per Greg Stark.

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Also a couple of minor tweaks to try to future-proof the code a bit better
against future locktag additions.
This commit is contained in:
Tom Lane
2008-01-08 23:18:51 +00:00
parent bbd3bdba3e
commit da3df47c84
3 changed files with 17 additions and 8 deletions
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15
src/backend/storage/lmgr/lmgr.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.95 2008/01/01 19:45:52 momjian Exp $
* $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.96 2008/01/08 23:18:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -672,7 +672,7 @@ UnlockSharedObject(Oid classid, Oid objid, uint16 objsubid,
bool
LockTagIsTemp(const LOCKTAG *tag)
{
switch (tag->locktag_type)
switch ((LockTagType) tag->locktag_type)
{
case LOCKTAG_RELATION:
case LOCKTAG_RELATION_EXTEND:
@@ -686,6 +686,7 @@ LockTagIsTemp(const LOCKTAG *tag)
return true;
break;
case LOCKTAG_TRANSACTION:
case LOCKTAG_VIRTUALTRANSACTION:
/* there are no temp transactions */
break;
case LOCKTAG_OBJECT:
@@ -710,7 +711,7 @@ LockTagIsTemp(const LOCKTAG *tag)
void
DescribeLockTag(StringInfo buf, const LOCKTAG *tag)
{
switch (tag->locktag_type)
switch ((LockTagType) tag->locktag_type)
{
case LOCKTAG_RELATION:
appendStringInfo(buf,
@@ -744,6 +745,12 @@ DescribeLockTag(StringInfo buf, const LOCKTAG *tag)
_("transaction %u"),
tag->locktag_field1);
break;
case LOCKTAG_VIRTUALTRANSACTION:
appendStringInfo(buf,
_("virtual transaction %d/%u"),
tag->locktag_field1,
tag->locktag_field2);
break;
case LOCKTAG_OBJECT:
appendStringInfo(buf,
_("object %u of class %u of database %u"),
@@ -770,7 +777,7 @@ DescribeLockTag(StringInfo buf, const LOCKTAG *tag)
default:
appendStringInfo(buf,
_("unrecognized locktag type %d"),
tag->locktag_type);
(int) tag->locktag_type);
break;
}
}