Re: Writing and Reading bytea
От | Heikki Linnakangas |
---|---|
Тема | Re: Writing and Reading bytea |
Дата | |
Msg-id | 499447ED.20104@enterprisedb.com обсуждение исходный текст |
Ответ на | Writing and Reading bytea (Amit Gupta <amit.pc.gupta@gmail.com>) |
Список | pgsql-hackers |
Amit Gupta wrote: > The following code didn't work: > .... > pg_partrel = heap_open(PartitionRelationId, AccessShareLock); > pg_partscan = systable_beginscan(pg_partrel, PartitionParentIndexId, true, > SnapshotNow, 1, &skey); > while (HeapTupleIsValid(pg_parttup= systable_getnext(pg_partscan))) > { > Form_pg_partition pg_part = (Form_pg_partition) GETSTRUCT(pg_parttup); > Datum attr = heap_getattr(tuple, pg_part->partkey, rel->rd_att, &isnull) > Datum min_part_attr = (Datum) (&pg_part->minval); > Datum max_part_attr = (Datum) (&pg_part->maxval); > ...... > > } You need to use heap_getattr to access columns after the first variable length column. -- Heikki Linnakangas EnterpriseDB http://www.enterprisedb.com
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