Re: [SQL] alter column from varchar(32) to varchar(255) without view re-creation

2009-05-14 Thread Emi Lu
Emi Lu wrote: PostgreSQL 8.0.15. Is there a way that I can easily alter column type from varchar(32) to varchar(255) but do not have to worry about views dependent on it? You should test it carefully and it is considered a bad practice - I'll probably get sued for recommending this :-), but yo

Re: [SQL] update from join

2009-05-14 Thread Rob Sargent
I wonder if this works: update stock s set s_superceded = true where s.s_updated < (select max(t.s_updated) from stock t where t.s_vin = s.s_vin) On Thu, May 14, 2009 at 7:27 AM, Gary Stainburn < gary.stainb...@ringways.co.uk> wrote: > I know I should be able to do this but my brain's mashed

[SQL] update from join

2009-05-14 Thread Gary Stainburn
I know I should be able to do this but my brain's mashed today I have a stock table with s_stock_no varchar primary key s_vin varchar s_updated timestamp s_supercededboolean It is possible for the same vin to exist on stock if we have s

[SQL] How to dump views definition in one schema?

2009-05-14 Thread Emi Lu
Good morning, Can pg_dump or other command could dump all views definition in one schema. I was trying to alter column types for several tables, and I have very complicated view dependencies. What I try to do is: (1). Back all views def (2). alter columns (3). re-create views from (1) I'd li