Re: OID wraparound: summary and proposal
От | Stephan Szabo |
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Тема | Re: OID wraparound: summary and proposal |
Дата | |
Msg-id | Pine.BSF.4.21.0108011211220.7195-100000@megazone23.bigpanda.com обсуждение исходный текст |
Ответ на | OID wraparound: summary and proposal (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
On Wed, 1 Aug 2001, Tom Lane wrote: > Based on the discussion so far, here is an attempt to flesh out the > details of what to do with OIDs for 7.2: > > 1. Add an optional clause "WITH OIDS" or "WITHOUT OIDS" to CREATE TABLE. > The default behavior will be WITH OIDS. > > Note: there was some discussion of a GUC variable to control the default. > > Note: an alternative syntax possibility is to make it look like the "with" > option clauses for functions and indexes: "WITH (oids)" or "WITH (noOids)". > This is uglier today, but would start to look more attractive if we invent > additional CREATE TABLE options in the future --- there'd be a place to > put 'em. Comments? I think a fixed default and placing it in parentheses are probably good ideas. > 3. For a table without OIDs, no entry will be made in pg_attribute for > the OID column, so an attempt to reference the OID column will draw a > "no such column" error. (An alternative is to allow OID to read as nulls, > but it seemed that people preferred the error to be raised.) Okay, at least the foreign key stuff will need to change (since it does a select oid), but I don't think it ever does anything with that except check for existance, so I could probably make it select 1 as reasonable replacement.
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