On 2012-11-14 18:41:12 +0530, Abhijit Menon-Sen wrote:
> There are two or three places in the Postgres source that implement heap
> sort (e.g. tuplesort.c, nodeMergeAppend.c), and it's also needed by the
> BDR code. It seemed reasonable to factor out the functionality.

pg_dump also contains a binary heap implementation if memory serves
right which makes me wonder whether we should try binaryheap.[ch]
backend clean... It currently uses palloc/pfree.

Too bad we don't have a memory allocation routine which easily works in
the backend and frontend... palloc references MemoryContextAlloc and
CurrentMemoryContext so thats not that easy to emulate.

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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