Noah Misch 263865a489 Permit super-MaxAllocSize allocations with MemoryContextAllocHuge(). ...

The MaxAllocSize guard is convenient for most callers, because it
reduces the need for careful attention to overflow, data type selection,
and the SET_VARSIZE() limit.  A handful of callers are happy to navigate
those hazards in exchange for the ability to allocate a larger chunk.
Introduce MemoryContextAllocHuge() and repalloc_huge().  Use this in
tuplesort.c and tuplestore.c, enabling internal sorts of up to INT_MAX
tuples, a factor-of-48 increase.  In particular, B-tree index builds can
now benefit from much-larger maintenance_work_mem settings.

Reviewed by Stephen Frost, Simon Riggs and Jeff Janes.

2013-06-27 14:53:57 -04:00

..

.gitignore

Speed up in-memory tuplesorting.

2012-02-15 12:13:32 -05:00

gen_qsort_tuple.pl

Run newly-configured perltidy script on Perl files.

2012-07-04 21:47:49 -04:00

logtape.c

Update copyrights for 2013

2013-01-01 17:15:01 -05:00

Makefile

Fix VPATH builds, broken by my recent commit to speed up tuplesorting.

2012-02-15 15:53:53 -05:00

sortsupport.c

Update copyrights for 2013

2013-01-01 17:15:01 -05:00

tuplesort.c

Permit super-MaxAllocSize allocations with MemoryContextAllocHuge().

2013-06-27 14:53:57 -04:00

tuplestore.c

Permit super-MaxAllocSize allocations with MemoryContextAllocHuge().

2013-06-27 14:53:57 -04:00