Hannu Krosing <hannu@skype.net> writes:
> How about adding a new 2-byte field to header for in-page c_tid poiner
> for HOT ?
We just finished sweating blood to get the tuple header size down to 23
bytes from 27 (which saves 8 bytes not 4 if MAXALIGN=8). We are not
going to blow that again on HOT.
regards, tom lane