Re: performance modality in 7.1 for large text attributes?
От | Larry Rosenman |
---|---|
Тема | Re: performance modality in 7.1 for large text attributes? |
Дата | |
Msg-id | 20001220124435.A19010@lerami.lerctr.org обсуждение исходный текст |
Ответ на | Re: performance modality in 7.1 for large text attributes? (Paul A Vixie <vixie@mfnx.net>) |
Список | pgsql-hackers |
* Paul A Vixie <vixie@mfnx.net> [001220 10:28]: > > Question is whether proper (standard/most-commonly-used) format for > > printing CIDR network address is 10/8 or 10.0.0.0/8 (i.e. should all > > octets be printed even if they are 0). After search of RFCs, there's > > nothing that specifies the standard, but 10.0.0.0/8 is used more often in > > examples than 10/8 form. > > > > Postgres uses 10/8 form, and I'm saying that 10.0.0.0/8 is more accepted > > by everyone else. (I.E. all software can deal with that, but not all > > software accepts 10/8). > > cisco IOS just won't take 10/8 and insists on 10.0.0.0/8. you will never, > ever go wrong if you try to use 10.0.0.0/8, since everything that understands > CIDR understands that. 10/8 is a pleasant-appearing alternative format, but > it is not universally accepted and i recommend against it. (i'm not sure if > my original CIDR type implementation for pgsql output the shorthand or not; > if it did, then i apologize to one and all.) There was no way, prior to 7.1, to get all 4 octets printed using the original code. Thanks for clearing up the info. Larry Rosenman -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 972-414-9812 E-Mail: ler@lerctr.org US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
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