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Clear
Create Cursor temp (v c(2))
Insert Into temp Values ('a')
Insert Into temp Values ('b')
Insert Into temp Values ('c')
i = 0
Select v+foo(), v+foo() From temp
*select foo() from temp
Function foo()
? Recno()
Return v
Endfunc
Clear
Close Databases All
Create Cursor temp (v c(2))
Insert Into temp Values ('a')
Insert Into temp Values ('b')
Insert Into temp Values ('c')
Select foo() From temp
Function foo()
On Error Cancel
? Recno(), v
898 && 报错
Return v
Endfunc