Does

select * from blah where x='y' and time > now() - 6h group by base_date
order by time desc limit 1 slimit 1

return what you need?

On Tue, Oct 4, 2016 at 8:59 PM, Tanya Unterberger <
[email protected]> wrote:

> Thanks, Sean.
>
> But it's not the data I am after. I am after the latest series, not the
> latest point in each series. That's why I was using SLIMIT, but it returns
> the earliest series, whereas I need the latest...
>
> Tanya
>
> On 5 October 2016 at 12:32, Sean Beckett <[email protected]> wrote:
>
>> ORDER BY time DESC only orders each series, and then SLIMIT returns only
>> one series. It doesn't necessarily return the series with the newest point.
>> Just remove the SLIMIT and use LIMIT 1.
>>
>> Note that the LIMIT clause doesn't (yet) restrict the points queried.
>> With a "SELECT *" clause it's important to restrict the time range.
>>
>> select * from blah where x='y' and time > now() - 6h group by base_date
>> order by time desc limit 1
>>
>> On Tue, Oct 4, 2016 at 7:13 PM, Tanya Unterberger <
>> [email protected]> wrote:
>>
>>> Hi Sean,
>>>
>>> That doesn't work as it still grabs the earliest base_date, not the
>>> latest...
>>>
>>> Thanks,
>>> Tanya
>>>
>>> On 4 October 2016 at 03:24, Sean Beckett <[email protected]> wrote:
>>>
>>>> Add ORDER BY time DESC
>>>> <https://docs.influxdata.com/influxdb/v1.0/query_language/data_exploration/#sort-query-returns-with-order-by-time-desc>
>>>> to the query
>>>>
>>>> On Sun, Oct 2, 2016 at 6:49 PM, <[email protected]> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> We have forecast data issued for the same period of time. It can be
>>>>> issued at various time points, which we keep as base_date tags. What is 
>>>>> the
>>>>> easiest way to get the latest issued forecast? If you try to run something
>>>>> like "select * from blah where x='y' group by base_date slimit 1" the
>>>>> base_date is the earliest, not the latest.
>>>>>
>>>>> Thanks a lot,
>>>>> Tanya
>>>>>
>>>>> --
>>>>> Remember to include the InfluxDB version number with all issue reports
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>>>>
>>>>
>>>>
>>>> --
>>>> Sean Beckett
>>>> Director of Support and Professional Services
>>>> InfluxDB
>>>>
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>>>> Remember to include the InfluxDB version number with all issue reports
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>>>
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>>
>>
>>
>> --
>> Sean Beckett
>> Director of Support and Professional Services
>> InfluxDB
>>
>> --
>> Remember to include the InfluxDB version number with all issue reports
>> ---
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>
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-- 
Sean Beckett
Director of Support and Professional Services
InfluxDB

-- 
Remember to include the InfluxDB version number with all issue reports
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