"Mikheev, Vadim" <[EMAIL PROTECTED]> writes:
>> We'd still want XID keys for the locks that are used to wait for a
>> particular transaction to complete (eg when waiting to update 
>> a tuple). I think that's OK since VACUUM doesn't need to hold any
>> such locks, but it'd probably mean making separate lmgr API entry
>> points for those locks as opposed to normal table-level locks.

> In this case XID is used as key in LOCKTAG, ie in lock identifier,
> but we are going to change XIDTAG, ie just holder identifier.
> No new entry will be required.

Oh, OK.  What say I rename the data structure to HOLDERTAG or something
like that, so it's more clear what it's for?  Any suggestions for a
name?

                        regards, tom lane

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