Hannu Krosing <[EMAIL PROTECTED]> 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

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