Hi,
Maybe in Visual Studio Net 2003,
However in VFP this works :)
select .T. ;
From ctwc;
where;
cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
cwkt.trndate<ctwc.validto AND cwkt.trndate>validfr ;
order By funccode, trndate, clcode, wccode, wonbr Into Cursor tempselect
.T. ;
From ctwc;
where;
cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
cwkt.trndate<ctwc.validto AND cwkt.trndate>validfr ;
order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
2017-08-08 17:54 GMT+02:00 Dave Crozier <da...@flexipol.co.uk>:
> According to Microsoft Themselves:
>
> SQL: Error correlating fields
> Visual Studio .NET 2003
>
> An outer reference can be used only in syntax similar to the following:
>
> X = Y
>
> Syntax such as X = Y + 1 or X = 5 will produce this error.
>
> Dave
>
> -----Original Message-----
> From: ProFox [mailto:profox-boun...@leafe.com] On Behalf Of Koen Piller
> Sent: 08 August 2017 16:40
> To: ProFox Email List <profox@leafe.com>
> Subject: Re: SQL Error
>
> Hi,
>
> Please note:
>
> select .T.;
> FROM cwkt;
> where;
> cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
> (cwkt.trndate BETWEEN ctwc.validfr AND ctwc.validto);
> order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
>
> gives a result
>
> and
>
> select .T. ;
> From ctwc;
> where;
> cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
> cwkt.trndate<ctwc.validto AND cwkt.trndate>validfr ;
> order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
>
> errors: Column funccode is not found.
>
> queries are identical however query 1 uses between etc and query 2 uses <
> etc
>
> and query3 with the VFP between function:
>
> select .T.;
> FROM cwkt;
> where;
> cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
> BETWEEN(cwkt.trndate, ctwc.validfr, ctwc.validto);
> order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
>
> also gives a result
>
> for you to test yourselve:
>
> CREATE CURSOR cwkt ( funccode C(2), trndate d, clcode c(10), wccode c(10),
> wonbr c(1)) INSERT INTO cwkt( funccode,trndate,clcode,wccode,wonbr)
> VALUES ("AB", {^2017.01.01}, "DD", "BB", "1") INSERT INTO cwkt(
> funccode,trndate,clcode,wccode,wonbr) VALUES ("TW", {^2017.08.01}, "DA",
> "BA", "2") INSERT INTO cwkt( funccode,trndate,clcode,wccode,wonbr) VALUES
> ("TW", {^2017.03.01}, "DB", "BC", "3") INSERT INTO cwkt(
> funccode,trndate,clcode,wccode,wonbr) VALUES ("TW", {^2017.04.01}, "DC",
> "BD", "4")
>
> CREATE CURSOR ctwc ( clcode c(10), wccode c(10),validfr d, validto d)
> INSERT INTO CTWC( clcode, wccode, validfr, validto) VALUES ("AC", "BB",
> {^2017.01.01},{^2017.01.01})
> INSERT INTO CTWC( clcode, wccode, validfr, validto) VALUES ("DA", "BA",
> {^2017.01.01},{^2017.09.01})
> INSERT INTO CTWC( clcode, wccode, validfr, validto) VALUES ("DB", "BC",
> {^2017.01.01},{^2017.02.01})
> INSERT INTO CTWC( clcode, wccode, validfr, validto) VALUES ("DC", "BD",
> {^2017.01.01},{^2017.05.01})
>
> and the full syntax
>
> select *;
> from cwkt;
> where;
> funccode="TW" And trndate>={^2017.07.01} And;
> exists;
> (;
> select .T. From ctwc;
> where;
> cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
> BETWEEN(cwkt.trndate, ctwc.validfr, ctwc.validto);
> );
> order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
>
> errors: SQL - error correlating fields.
>
> the syntax:
>
> select *;
> from cwkt;
> where;
> funccode="TW" And trndate>={^2017.07.01} And;
> exists;
> (;
> select .T. ;
> From ctwc;
> where;
> cwkt.clcode=ctwc.clcode And cwkt.wccode=ctwc.wccode And;
> cwkt.trndate<ctwc.validto AND cwkt.trndate>validfr;
> );
> order By funccode, trndate, clcode, wccode, wonbr Into Cursor temp
> gives a result
>
>
> Koen
>
> 2017-08-08 15:20 GMT+02:00 Ted Roche <tedro...@gmail.com>:
>
> > I think this is referring to something different: a query in the FROM
> > clause is different from a query in the WHERE clause. In the FROM
> > clause, you're using the SQL to create an artificial data source, a
> > "Derived Table" in VFP terms. In the WHERE clause, you're filtering
> > the data in the SELECT portion against a set of tests, which could
> > include running a query and testing it against the source records for
> > matching.
> >
[excessive quoting removed by server]
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