Tom Lane wrote on 10.05.2013 17:49:
I looked into this, and find that the reason it misbehaves is that
NUM_numpart_from_char() will treat a '.' as being a decimal point
*without any regard to locale considerations*. So even if we have
a locale-dependent format string and a locale that says '.' is a
thousands separator, it does the wrong thing.
It's a bit surprising nobody's complained of this before.
I propose the attached patch. I'm slightly worried though about whether
this might break any existing applications that are (incorrectly)
depending on a D format specifier being able to match '.' regardless of
locale. Perhaps we should only apply this to HEAD and not back-patch?
The manual claims that 'D' is locale dependent (whereas '.' is not), so
_theoretically_ a back patch would make sense I guess.
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