| From: | <operationsengineer1(at)yahoo(dot)com> |
|---|---|
| To: | Greg Lindstrom <greg(dot)lindstrom(at)novasyshealth(dot)com>, pgsql-novice(at)postgresql(dot)org |
| Subject: | Re: Swappng Filds |
| Date: | 2006-02-02 01:13:03 |
| Message-ID: | 20060202011303.48920.qmail@web33309.mail.mud.yahoo.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-novice |
> Hello-
> I have a table with values in two columns that I
> want to swap; that is,
> I want the value in column A to now be in column B
> and the value in
> column B to be in column A. I tried...
>
> UPDATE my_table SET A=B, B=A WHERE mycontition =
> True
>
> But that seemed to place the value of column B into
> A, then the new
> value of A into B, so both A and B contained value
> B. Is there a common
> technique to accomplish this?
>
> Thanks,
> --greg
this might be way off base, but why not leave the data
and swap the column names?
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