On 13.05.2013 17:09, Tom Lane wrote:
Heikki Linnakangas<hlinnakan...@vmware.com> writes:
Would it be possible to be lenient, and also accept . as the decimal
separator, when there is no ambiguity? Ie. when . is not the thousands
separator.
I originally coded it that way, but concluded that it was probably a
waste of code space. How many locales can you point to where neither
the decimal point nor thousands_sep is "."?
On my laptop, there are eight locales that use "," as the decimal
separator and " " as the thousands separator.
$ grep -l "^thousands_sep.*U00A0" /usr/share/i18n/locales/* | xargs grep
-l "^decimal_point.*U002C"
/usr/share/i18n/locales/cs_CZ
/usr/share/i18n/locales/et_EE
/usr/share/i18n/locales/fi_FI
/usr/share/i18n/locales/lv_LV
/usr/share/i18n/locales/nb_NO
/usr/share/i18n/locales/ru_RU
/usr/share/i18n/locales/sk_SK
/usr/share/i18n/locales/uk_UA
Out of these, ru_RU actually uses "." as the LC_MONETARY decimal point,
even though it uses "," as the LC_NUMERIC decimal point. I think that
strengthens the argument for accepting both. I don't speak Russian, but
if you pass a monetary value to TO_NUMBER in ru_RU locale, using "." as
the decimal separator, you probably would expect it to work.
According to
http://en.wikipedia.org/wiki/Decimal_separator#Examples_of_use, many
countries accept either "1 234 567,89" or "1.234.567,89" style, but
looking at the locale files installed on my system, the latter style is
the one actually used (e.g Germany).
- Heikki
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