[HACKERS] Doubt in heap_release_fetch

[Suresh]

Hello,

What do the following lines mean :

  /* Tuple failed time qual, but maybe caller wants to see it anyway. */
        if (keep_buf)
                *userbuf = buffer;
        else
        {
                ReleaseBuffer(buffer);
                *userbuf = InvalidBuffer;
        }

What is the time qualification check ?

Thanks,
Suresh



       
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