> To have them I need to add tuple id (6 bytes) to heap tuple
> header. Are there objections? Though it's not good to increase
> tuple header size, subj is, imho, very nice feature...
Gee, that's a lot of overhead. We would go from 40 bytes ->46 bytes.
How is this different from the tid or oid? Reading your description, I
see there probably isn't another way to do it.
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