>A row lock is represented by storing the locking transaction's ID in
xmax and setting
xmax and setting
>the HEAP_MARKED_FOR_UPDATE infomask bit. The bit is
needed to distinguish
needed to distinguish
>this from the case where the transaction is
deleting the tuple.
Is there a similar bit modified if the row in question is being waited
upon by some transaction?
deleting the tuple.
Is there a similar bit modified if the row in question is being waited
upon by some transaction?
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