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Re: Nu-B\Column:Alter type

From: "Josh Berkus" <josh(at)agliodbs(dot)com>
To: john-paul delaney <jp(at)justatest(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Nu-B\Column:Alter type
Date: 2002-02-22 18:37:37
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
> In your sequence below - where does the column (e.g. col 8 of 25) get
>  changed?

Step 0.1:  pg_dump -s -t bad_table > bad_table.sql
Step 0.2:  Edit bad_table.sql to the table definition you want.  
Step 0.3: Use the file bad_table.sql as your CREATE TABLE statement in
 step 3.

> Would I list the good column names to insert into bad_table in point
>  4., then insert my new column - or is there a way to "select *
>  except one" (I guess that's pretty lax SQL)?

Hmmm ... I thought that you wanted to change an existing column from

> > 1. CREATE TABLE temp1 AS
> >  SELECT * FROM bad_table;
> > 2. DROP TABLE bad_table;
> > 3. CREATE TABLE bad_table;
> > 4. INSERT INTO bad_table SELECT * FROM temp1;
> > 5. DROP TABLE temp1


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Subject: Re: One big table or several smaller tables ?
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Subject: Nu-B\Column:Alter type

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