As far as I know, vfp always stops evaluating the right remainder of a logical expression if the left part evaluates to an logical value that cannot be changed anymore by the right remainder. For example, in the case of IF A OR B, the B is no longer evaluated if A evaluates to True. In a same vein, in the case of IF A=0 or BB(), the function BB is not visited if A=0.
But now I am confronted with a case in a select-sql WHERE expression, where the part to the right of the OR is visited anyhow, notwithstanding the result of the left expression.
WHERE ( MOD(A,1000)#0 OR THERMO(A) )
Does this sound familiar to anyone here?
Groet,
Peter de Valença
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