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TIPS - DQL Timeframe selection

gbaudart
Champion

I'm taking the liberty of sharing this tip because I've seen several people share difficulties in selecting a specific timeframe with the DQL, particularly when searching for information in the Logs.

Here are some examples to get around current limitations :

  • For -1d/d :

 

fetch logs,from:toTimestamp("T00:00:00")-1d

 

  • For -0d/d :

 

fetch logs,from:toTimestamp("T00:00:00")

 

  • For GMT+2 :

 

fetch logs,from:toTimestamp("T00:00:00+2")

 

 

I hope this TIP can be useful to as many people as possible 🙂
Please let me know your comments.

 

Observability consultant - Dynatrace Associate Certified
4 REPLIES 4

radek_jasinski
DynaMight Guru
DynaMight Guru

Great😊 Thank you it's a very useful 

Have a nice day!

g_pmu
Observer

Great !

xtraspecialj
Guide

What is this "toTimestamp" function?  I tried searching for it and, while I see it used in examples in their documentation, I don't see any explanation of what the function actually is, and my Google searches aren't producing results.

 

*EDIT* Ahh, found it.  It's in their Conversion and Casting Functions section of their docs instead of in their Time functions section.  They should maybe cross-reference those though, just to make finding it easier.

Christophe_N
Advisor

Hi all ,

Thanks for the tip here 😀
Do you have any other tip if we want to go through relative timeframe?

like if I want relative timings (like "now-1h/h to now-0h/h") or "from: now-1M/M to :now-0M/M" , I have the message "The parameter `from` has to be constant"
I have not found any tips to do so.

Temp solution I have found is to query larger data and then filter afterwards : 

|filter getHour(timestamp) >= (getHour(now())-1) and getHour(timestamp) < getHour(now())

Is it possible to do it directly from timeframe filter ?

Best regards,

Christophe

 

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