RE: [SQL] Mail about duplicate rows - Mailing list pgsql-sql
From | Jackson, DeJuan |
---|---|
Subject | RE: [SQL] Mail about duplicate rows |
Date | |
Msg-id | D05EF808F2DFD211AE4A00105AA1B5D21F24D9@cpsmail Whole thread Raw |
List | pgsql-sql |
Then you would use: INSERT INTO radius SELECT * FROM raduistemp r1 WHERE NOT EXISTS(SELECT 1 FROM radius r2 WHERE r1.uname=r2.uname AND r1.logdate=r2.logdate AND r1.logtime=r2.logtime);-DEJ > -----Original Message----- > From: Vikrant Rathore [SMTP:vikrant@chemquick.com] > Sent: Monday, June 07, 1999 12:37 AM > To: Fomichev Michael > Cc: pgsql-sql@postgreSQL.org > Subject: Re: [SQL] Mail about duplicate rows > > 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>| | > > @------------------+-----------------------------------------------@ >