Re: Re: [GENERAL] can postgresql supported utf8mb4 character sets?

2015-03-06

发件人：Adrian Klaver
发送时间：2015-03-05 21:31:39
收件人：lsliang; pgsql-general
抄送：
主题：Re: [GENERAL] can postgresql supported utf8mb4 character sets?

On 03/05/2015 01:45 AM, lsliang wrote:
> can postgresql supported utf8mb4 character set?
> today mobile apps support 4-byte character and utf8 can only
> support 1-3 bytes character
The docs would seem to indicate otherwise:
http://www.postgresql.org/docs/9.3/interactive/multibyte.html
http://en.wikipedia.org/wiki/UTF-8
> if load string to database which contain a 4-byte character
> will failed .
Have you actually tried to load strings in to Postgres?
If so and it failed what was the method you used and what was the error?
> mysql since 5.5.3 support utf8mb4 character sets
> I don't find some information about postgresql
> thanks
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
thanks for your help .

postgresql can support 4-byte character

test=> select * from utf8mb4_test ;
ERROR: character with byte sequence 0xf0 0x9f 0x98 0x84 in encoding "UTF8" has no equivalent in encoding "GB18030"
test=> \encoding utf8
test=> select * from utf8mb4_test ;
content
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😄
😄

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