Hello:

The following statement throws "SQL: Error correlating fields.":

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 between ctwc.validfr and ctwc.validto;

);

order by clcode,wonbr,trndate

This statement works:

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.validfr and cwkt.trndate<=ctwc.validto;

);

order by clcode,wonbr,trndate

The only difference is the second line of the nested select's

where expression. The first uses between, and the second uses >= and <=.

What am I missing?

Sincerely,

Gene Wirchenko

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