I checked for code related to infomask.
(add flag state -- HEAP_XMIN_COMMITTED, HEAP_XMIN_INVALID, HEAP_XMIN_FROZEN)
first i'm still beginner level about postgresql, so my opinion may be wrong.
if the "HEAP_XMIN_COMMITTED" flag is added, check the function of
"HeapTupleHeaderXminInvalid"
if the
Dear Craig Ringer
Frist, thank you for implementing the necessary function.
but, i have some question.
question 1) vacuum freeze hint bits
If run a vacuum freeze, bits in the infomask will be 0x0300.
in this case, if output the value of informsk in the run to you modified,
