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-----Original Message-----
From: "Van Ry, Wayne" <[EMAIL PROTECTED]>

Date: Wed, 4 Jun 2008 14:17:33 
To:<[EMAIL PROTECTED]>
Subject: FW: Sqlite SUM erroneous return value





>______________________________________________ 
> From:         Van Ry, Wayne  
> Sent: 04 June 2008 14:16
> To:   'sqlite-users@sqlite.org'
> Subject:      Sqlite SUM erroneous return value
> 
> Hi,
> 
> I have created a table with the following values.....
> 
> CREATE TABLE [test] ([Id] TEXT DEFAULT(0), [PV] REAL DEFAULT(0));
> 
> insert into [test] ("Id", "PV") values ('485314EL', '-720.237');
> insert into [test] ("Id", "PV") values ('485314L',  '-720.237');
> insert into [test] ("Id", "PV") values ('485314LE', '720.237');
> insert into [test] ("Id", "PV") values ('485440EL', '-720.237');
> insert into [test] ("Id", "PV") values ('485440L',  '-720.237');
> insert into [test] ("Id", "PV") values ('485440LE', '720.237');
> insert into [test] ("Id", "PV") values ('522116EL', '720.237');
> insert into [test] ("Id", "PV") values ('522116L', '720.237');
> insert into [test] ("Id", "PV") values ('522116LE', '-720.237');
> insert into [test] ("Id", "PV") values ('522122EL', '720.237');
> insert into [test] ("Id", "PV") values ('522122L', '720.237');
> insert into [test] ("Id", "PV") values ('522122LE', '-720.237');
> 
> However when I execute a SUM against this table I get an incorrect
> value. The query I use is 
> 
> SELECT SUM([PV] ) from [test] 
> 
> The returned value is 2.2737e-13 instead of 0. 
> 
> Can anyone shed some light?
> 
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