func TestOn(t *testing.T) {
on := nodes.On(1)
expected := "ON 1"
if got, _ := sql.Accept(on); expected != got {
t.Errorf("TestOn was expected to return %s, got %s", expected, got)
}
}
// Sets the last stored Join's Right leaf to a OnNode containing the
// given expression.
func (self *SelectManager) On(expr interface{}) *SelectManager {
joins := self.Context.Source.Right
if 0 == len(joins) {
return self
}
last := joins[len(joins)-1]
switch last.(type) {
case *nodes.InnerJoinNode:
last.(*nodes.InnerJoinNode).Right = nodes.On(expr)
case *nodes.OuterJoinNode:
last.(*nodes.OuterJoinNode).Right = nodes.On(expr)
}
return self
}