Problem with updating system indices.

Hello,

Sometime ago I did a patch to have large objects rollbackable.
That patch was against the current (on that moment) CVS.
It worked fine.

Now I tried to port the patch to 7.0.2 and have the following problem:
Somehow index which I made is not updated.
It can be figure out quite simple.
After creating new LO I have:

webmailstation=> explain select * from pg_largeobject where loid=14035719;
NOTICE: QUERY PLAN:

Seq Scan on pg_largeobject (cost=0.00..0.00 rows=1 width=20)
EXPLAIN
webmailstation=> select * from pg_largeobject where loid=14035719;
loid | pageno | data
----------+--------+------
14035719 | 0 |
(1 row)
webmailstation=> set enable_seqscan=off;
SET VARIABLE
webmailstation=> explain select * from pg_largeobject where loid=14035719;
NOTICE: QUERY PLAN:

Index Scan using pg_largeobject_loid_pn_index on pg_largeobject (cost=0.00..5.01 rows=1 width=20)

EXPLAIN
webmailstation=> select * from pg_largeobject where loid=14035719;
loid | pageno | data
------+--------+------
(0 rows)

As far as you can see index does not contains such value.

The code which creates a LO looks like this:

Oid LargeobjectCreate(Oid loid) {
Oid retval;
Relation pg_largeobject;
HeapTuple ntup = (HeapTuple) palloc(sizeof(HeapTupleData));
Relation idescs[Num_pg_index_indices];
Datum values[Natts_pg_largeobject];
char nulls[Natts_pg_largeobject];
int i;

for (i=0; i<Natts_pg_largeobject; i++) {
nulls[i] = ' ';
values[i] = (Datum)NULL;
}

i = 0;
values[i++] = ObjectIdGetDatum(loid);
values[i++] = Int32GetDatum(0);
values[i++] = (Datum) _byteain(NULL, 0);

pg_largeobject = heap_openr(LargeobjectRelationName, RowExclusiveLock);
ntup = heap_formtuple(pg_largeobject->rd_att, values, nulls);
retval = heap_insert(pg_largeobject, ntup);

if (!IsIgnoringSystemIndexes()) {
CatalogOpenIndices(Num_pg_largeobject_indices, Name_pg_largeobje
CatalogIndexInsert(idescs, Num_pg_largeobject_indices, pg_largeo
CatalogCloseIndices(Num_pg_largeobject_indices, idescs);
}

heap_close(pg_largeobject, RowExclusiveLock);
heap_freetuple(ntup);

CommandCounterIncrement();

return retval;
}

And all go fine and indices should be updated... What I did wrong???
I traces through this code step by step and all seems fine...

--
Sincerely Yours,
Denis Perchine

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E-Mail: dyp@perchine.com
HomePage: http://www.perchine.com/dyp/
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