Heikki Linnakangas wrote:

> I couldn't let this case go, so I wrote a patch. I replaced the linked  
> list with an array that's enlarged at AtSubCommit_childXids when 
> necessary.

Do you still need to palloc the return value from
xactGetCommittedChildren?  Perhaps you can save the palloc/memcpy/pfree
and just return the pointer to the array already in memory?

Not that it'll any much of a performance impact, but just for
cleanliness :-)

Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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