t;>
>>>
>>>
>>> On Fri, Jun 8, 2018 at 3:44 PM, Reynold Xin wrote:
>>>
>>>> But from the user's perspective, optimization is not run right? So it
>>>> is still lazy.
>>>>
>>>>
>>>> On Fri, Jun 8, 2018 at 12:
;> But from the user's perspective, optimization is not run right? So it is
>>> still lazy.
>>>
>>>
>>> On Fri, Jun 8, 2018 at 12:35 PM Li Jin wrote:
>>>
>>>> Hi All,
>>>>
>>>> Sorry for the long email title. I am a bit
on is not run right? So it is
> still lazy.
>
>
> On Fri, Jun 8, 2018 at 12:35 PM Li Jin wrote:
>
>> Hi All,
>>
>> Sorry for the long email title. I am a bit surprised to find that the
>> current optimizer rule "ConvertToLocalRelation" causes expre
But from the user's perspective, optimization is not run right? So it is
still lazy.
On Fri, Jun 8, 2018 at 12:35 PM Li Jin wrote:
> Hi All,
>
> Sorry for the long email title. I am a bit surprised to find that the
> current optimizer rule "ConvertToLocalRelation&quo
Hi All,
Sorry for the long email title. I am a bit surprised to find that the
current optimizer rule "ConvertToLocalRelation" causes expressions to be
eager-evaluated in planning phase, this can be demonstrated with the
following code:
scala> val myUDF = udf((x: String) => { pri
