Thanks!
> On Jul 7, 2016, at 7:53 PM, Jark Wu <[email protected]> wrote:
>
> I have logged https://issues.apache.org/jira/browse/CALCITE-1309
> <https://issues.apache.org/jira/browse/CALCITE-1309> for this.
>
> - Jark Wu
>
>> 在 2016年7月8日,上午9:26,Julian Hyde <[email protected]> 写道:
>>
>> I believe that we should allow LATERAL TABLE. Can you log a JIRA case,
>> please?
>>
>> As a workaround, you might get away with wrapping the table with “(SELECT *
>> FROM … )”
>>
>> Julian
>>
>>
>>> On Jul 6, 2016, at 6:18 PM, Jark <[email protected]> wrote:
>>>
>>> It throws “Encountered "LATERAL TABLE" at line 1, column 38.” exception.
>>> According to the document[1], only query can follow behind LATERAL.
>>>
>>> [1] https://calcite.apache.org/docs/reference.html
>>> <https://calcite.apache.org/docs/reference.html>
>>>
>>>
>>>> 在 2016年7月7日,上午5:44,Julian Hyde <[email protected]> 写道:
>>>>
>>>> I think it’s just a mater of a missing “LATERAL”. Try
>>>>
>>>> SELECT MyTable.*, t.s FROM MyTable, LATERAL TABLE(split(MyTable.a)) AS
>>>> t(s)
>>>>
>>>> (LATERAL allows an item in the FROM clause to “see” earlier items in the
>>>> FROM clause.)
>>>>
>>>>> On Jul 6, 2016, at 7:40 AM, Jark Wu <[email protected]> wrote:
>>>>>
>>>>> Hi ,
>>>>>
>>>>> I want to use calcite to parse UDTF(user-defined table function) but have
>>>>> some problems. Suppose we have registered a UDTF named “split” with a
>>>>> string parameters. Calcite support this : “SELECT * FROM
>>>>> TABLE(split(‘hello world’)) AS t(s)” .
>>>>>
>>>>> However, I want the UDTF accept the other table’s columns such as:
>>>>> “SELECT MyTable.*, t.s FROM MyTable, TABLE(split(MyTable.a)) AS t(s)”,
>>>>> but calcite throws can not find “MyTable” exception.
>>>>>
>>>>> Actually I want to implement something like HIVE UDTF, such as “SELECT
>>>>> posexplode(myCol) AS (pos, myNewCol) FROM myTable” Or
>>>>> “select pos, myNewCol From myTable lateral view posexplode(myCol) as
>>>>> (pos, myNewCol)”.
>>>>>
>>>>> Is there any way to do this in calcite ?
>>>>>
>>>>> - Jark Wu
>>>>>
>>>
>