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authorAndres Freund2015-03-20 09:26:17 +0000
committerAndres Freund2015-03-20 09:26:17 +0000
commit8122e1437e332e156d971a0274879b0ee76e488a (patch)
tree4049661023618ba959e645969698c7829ce19ed1 /src/backend/utils/adt/numeric.c
parent7e9ed623d9988fcb1497a2a8ca7f676a5bfa136f (diff)
Add, optional, support for 128bit integers.
We will, for the foreseeable future, not expose 128 bit datatypes to SQL. But being able to use 128bit math will allow us, in a later patch, to use 128bit accumulators for some aggregates; leading to noticeable speedups over using numeric. So far we only detect a gcc/clang extension that supports 128bit math, but no 128bit literals, and no *printf support. We might want to expand this in the future to further compilers; if there are any that that provide similar support. Discussion: [email protected] Author: Andreas Karlsson, with significant editorializing by me Reviewed-By: Peter Geoghegan, Oskari Saarenmaa
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