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737ae3fc7b
If the locale names are not equal, try to canonicalize both of them by passing them to setlocale(). Before, we only canonicalized the old cluster's locale if upgrading from a 8.4-9.2 server, but we also need to canonicalize when upgrading from a pre-8.4 server. That was an oversight in the code. But we should also canonicalize on newer server versions, so that we cope if the canonical form changes from one release to another. I'm about to do just that to fix bug #11431, by mapping a locale name that contains non-ASCII characters to a pure-ASCII alias of the same locale. This is partial backpatch of commit 33755e8edf149dabfc0ed9b697a84f70b0cca0de in master. Apply to 9.2, 9.3 and 9.4. The canonicalization code didn't exist before 9.2. In 9.2 and 9.3, this effectively also back-patches the changes from commit 58274728fb8e087049df67c0eee903d9743fdeda, to be more lax about the spelling of the encoding in the locale names.
The PostgreSQL contrib tree
---------------------------
This subtree contains porting tools, analysis utilities, and plug-in
features that are not part of the core PostgreSQL system, mainly
because they address a limited audience or are too experimental to be
part of the main source tree. This does not preclude their
usefulness.
User documentation for each module appears in the main SGML
documentation.
When building from the source distribution, these modules are not
built automatically, unless you build the "world" target. You can
also build and install them all by running "gmake all" and "gmake
install" in this directory; or to build and install just one selected
module, do the same in that module's subdirectory.
Some directories supply new user-defined functions, operators, or
types. To make use of one of these modules, after you have installed
the code you need to register the new SQL objects in the database
system by executing a CREATE EXTENSION command. In a fresh database,
you can simply do
CREATE EXTENSION module_name;
See the PostgreSQL documentation for more information about this
procedure.