The attached small patch fixes the following warning:

src\backend\utils\adt\arrayfuncs.c(5613): warning C4013: '_isnan'
undefined; assuming extern returning int [D:\Postgres\a\postgres.vcxproj]

The fix is pretty much just a copy and paste from costsize.c


David Rowley

Attachment: isnan_msvc_fix.patch
Description: Binary data

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