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Jeff Davis 2d819a08a1 Introduce "builtin" collation provider. ... New provider for collations, like "libc" or "icu", but without any external dependency. Initially, the only locale supported by the builtin provider is "C", which is identical to the libc provider's "C" locale. The libc provider's "C" locale has always been treated as a special case that uses an internal implementation, without using libc at all -- so the new builtin provider uses the same implementation. The builtin provider's locale is independent of the server environment variables LC_COLLATE and LC_CTYPE. Using the builtin provider, the database collation locale can be "C" while LC_COLLATE and LC_CTYPE are set to "en_US", which is impossible with the libc provider. By offering a new builtin provider, it clarifies that the semantics of a collation using this provider will never depend on libc, and makes it easier to document the behavior. Discussion: https://postgr.es/m/ab925f69-5f9d-f85e-b87c-bd2a44798659@joeconway.com Discussion: https://postgr.es/m/dd9261f4-7a98-4565-93ec-336c1c110d90@manitou-mail.org Discussion: https://postgr.es/m/ff4c2f2f9c8fc7ca27c1c24ae37ecaeaeaff6b53.camel%40j-davis.com Reviewed-by: Daniel Vérité, Peter Eisentraut, Jeremy Schneider		2 years ago
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src	Introduce "builtin" collation provider.	2 years ago
KNOWN_BUGS	…
MISSING_FEATURES	…
Makefile	Remove distprep	2 years ago
TODO	Change documentation references to PG website to use https: not http:	8 years ago