Culture support for in operator and Sort function #2539
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The
inoperator andSortfunction were not culturally aware, resulting in incorrect results for Turkish and other I'm sure other languages.The
Lower,Upper,Proper, andSortByColumnsfunctions are already culturally aware.Our regular expression functions are not culturally aware, but that is an interesting design choice that is the subject of #2538.
For testing, this PR adds the ability to change the culture in this local REPL only, with a
Languagefunction overload that takes a language tag as the first argument. Also added is a#SETUPhandler to specify the culture for a .txt test file.Removed
ToLowerfrom StringValue. It doesn't have enough context to do this on its own and be self contained, better to be very clear about how it is being done withCultureInfo.