if cursor_status('global','myformula')=-3 and cursor_status('local','myformula')=-3
begin
print '不存在'
end
else
begin
print '存在'
end
if cursor_status('global','myformula')=-3 and cursor_status('local','myformula')=-3
begin
print '不存在'
end
else
begin
print '存在'
end