On Windows, if the encoding implied by locale is not allowed as a

server-encoding, fall back to UTF-8. It happens at least with the Chinese
locale, which implies BIG5. This is safe, because on Windows all locales
are compatible with UTF-8.

diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index fd1f20ee862abd886be7b033939b41bab267f11e..f1b51bf870c6470942e9eb04d6c306e7e87e9594 100644 (file)
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -2906,7 +2906,19 @@ main(int argc, char *argv[])
        }
        else if (!pg_valid_server_encoding_id(ctype_enc))
        {
-           /* We recognized it, but it's not a legal server encoding */
+           /*
+            * We recognized it, but it's not a legal server encoding.
+            * On Windows, UTF-8 works with any locale, so we can fall back
+            * to UTF-8.
+            */
+#ifdef WIN32
+           printf(_("Encoding %s implied by locale is not allowed as a server-side encoding.\n"
+                    "The default database encoding will be set to %s instead.\n"),
+                  pg_encoding_to_char(ctype_enc),
+                  pg_encoding_to_char(PG_UTF8));
+           ctype_enc = PG_UTF8;
+           encodingid = encodingid_to_string(ctype_enc);
+#else
            fprintf(stderr,
                    _("%s: locale %s requires unsupported encoding %s\n"),
                    progname, lc_ctype, pg_encoding_to_char(ctype_enc));
@@ -2915,6 +2927,7 @@ main(int argc, char *argv[])
                    "Rerun %s with a different locale selection.\n"),
                    pg_encoding_to_char(ctype_enc), progname);
            exit(1);
+#endif
        }
        else
        {