On 2026-04-19 20:13:29 -0500, Igor Korot wrote: > So, let's say I chose "BIG5"". > > As stated the table contains: > > big5_to_utf8 | BIG5 | t > big5_to_euc_tw | BIG5 | t > big5_to_mic | BIG5 | t > > Since all 3 are default character sets, which one would be chosen? > (in the context of CREATE DATABASE)
Note that the table contains *two* encodings (conforencoding and
contoencoding) for each conversion. If you look at both it becomes
clear:
hjp=> select conname,
pg_encoding_to_char(conforencoding) as for_enc,
pg_encoding_to_char(contoencoding) to_enc,
condefault
from pg_conversion
where conname like 'big5%';
╔════════════════╤═════════╤═══════════════╤════════════╗
║ conname │ for_enc │ to_enc │ condefault ║
╟────────────────┼─────────┼───────────────┼────────────╢
║ big5_to_euc_tw │ BIG5 │ EUC_TW │ t ║
║ big5_to_mic │ BIG5 │ MULE_INTERNAL │ t ║
║ big5_to_utf8 │ BIG5 │ UTF8 │ t ║
╚════════════════╧═════════╧═══════════════╧════════════╝
(3 rows)
If you need to convert from BIG5 to UTF8, big5_to_utf8 is the default
(and indeed only) conversion. If you need to convert from BIG5 to
EUC_TW, it's big5_to_euc_tw, etc.
hjp
--
_ | Peter J. Holzer | Story must make more sense than reality.
|_|_) | |
| | | [email protected] | -- Charles Stross, "Creative writing
__/ | http://www.hjp.at/ | challenge!"
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