"S -" <nat_lazy@hotmail.com> writes:
> Iam trying to figure out what value relID holds in postgresql. relID is
> present is struct LOCKTAG in LOCK.h.
pg_class OID of a table.
> And also, in src/backend/storage/lmgr/readme mentions 'tupleID", I can't
> find what tupleID represents and where its present in posgresql code
Looks like someone separated tupleid into page number (objId.blkno) and
item number (offnum) to avoid having alignment padding inside the LOCKTAG
struct.
regards, tom lane