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:[email protected]] On Behalf Of Koen Piller Sent: 08 August 2017 16:40 To: ProFox Email List <[email protected]> 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 <[email protected]>: > 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] _______________________________________________ Post Messages to: [email protected] Subscription Maintenance: http://mail.leafe.com/mailman/listinfo/profox OT-free version of this list: http://mail.leafe.com/mailman/listinfo/profoxtech Searchable Archive: http://leafe.com/archives/search/profox This message: http://leafe.com/archives/byMID/profox/[email protected] ** All postings, unless explicitly stated otherwise, are the opinions of the author, and do not constitute legal or medical advice. This statement is added to the messages for those lawyers who are too stupid to see the obvious.
