Message-ID: <375B5A88.61C7B37A@chemquick.com>
Date: Mon, 07 Jun 1999 13:37:12 +0800
From: Vikrant Rathore <vikrant@chemquick.com>
Reply-To: vikrant@chemquick.com
Organization: NeuroNet
MIME-Version: 1.0
To: Fomichev Michael <fomichev@null.ru>
CC: pgsql-sql@postgreSQL.org
Subject: Re: [SQL] Mail about duplicate rows
References: <Pine.LNX.4.04.9906071801290.3228-100000@ns.region.utsr>
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Thanks for your help. But as you know the UNAME is not unique in radius logs. The
primary key for this table is (Uname,logdate,logtime).

So this three fields together forms a primary key of the table.

Thanks & regards,
Vicky


Fomichev Michael wrote:

> On Mon, 7 Jun 1999, Vikrant Rathore wrote:
>
> > I am trying to append a table radius from another table radiustemp, both
> > having the same structure, but want to append only those tuples from
> > radiustemp which are not there in radius. The size of the table can be
> > up to 165 MB.
> > So anyone can suggest me a better way of doing this.
> >
> > The structure if table is like this .
> >
> > Table    = radius
> > +----------------------------------+----------------------------------+-------+
> >
> > |              Field               |              Type                |
> > Length|
> > +----------------------------------+----------------------------------+-------+
> >
> > | uname                            | char()
> > |   256 |
> > | logdate                          | date
> > |     4 |
> > | logtime                          | time
> > |     8 |
> > | duration                         | int4
> > |     4 |
> > | status                           | char()
> > |    20 |
> > | nasadd                           | char()
> > |    20 |
> > | port                             | int4
> > |     4 |
> > | bytesin                          | int4
> > |     4 |
> > | bytesout                         | int4
> > |     4 |
> > | packin                           | int4
> > |     4 |
> > | packout                          | int4
> > |     4 |
> > | misc                             | int4
> > |     4 |
> > +----------------------------------+----------------------------------+-------+
> >
> > Thank's in advance for your help.
> >
> > Thanks & regards,
> > Vicky
> >
> insert into RADIUS select * from RADIUSTEMP where UNAME not in (select
> UNAME from RADIUS)
>
> UNAME must be unique. If it is not, than you need to use another field
> (for example "code") which will be unique.
>
> P.S. Nice book about SQL: "Understanding SQL" by Martin Gruber. ISBN
> 5-85582-010-6
>
> @------------------+-----------------------------------------------@
> | Fomichev Mikhail | The Government of Kamchatka region.           |
> | Vladimirovich    | The Labour and Social Development Department. |
> |<fomichev@null.ru>|                                               |
> @------------------+-----------------------------------------------@