Re: table-level and row-level locks.

On Sun, Sep 07, 2003 at 04:07:42PM -0700, Jenny - wrote:
> >A row lock is represented by storing the locking transaction's ID in
> >xmax and setting the HEAP_MARKED_FOR_UPDATE infomask bit. The bit is
> >needed to distinguish this from the case where the transaction is
> >deleting the tuple.
>
> where is 'HEAP_MARKED_FOR_UPDATE infomask bit' found ?

Have you ever heard of the "grep" *nix utility? It's quite useful.

Anyway, t_infomask is part of a struct called HeapTupleHeaderData,
defined somewhere in src/include/access/htup.h

--
Alvaro Herrera (<alvherre[a]dcc.uchile.cl>)
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