How do I find records created within the last one hour

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Yogesh
Yogesh Member
in Magic ETL

I have a data set with a Created Date field and I want to get data created in the last hour. What filter should I use? I think using a filter of `CREATED_ON`>SUBTIME(CURDATETIME(),lastonehour) will work but not sure the value to specify for lastonehour...is it 3600, 3600000, etc? 

 

TIA for your help.

 

Yogesh

 

 

Comments

  • Yogesh
    Yogesh Member

    After some experimentation I found that 1 hour =3600 

  • GrantSmith
    GrantSmith Coach

    Hi @Yogesh 

     

    You can utilize SQL INTERVALs to do this.

    `CREATED_ON` > CURDATETIME() - INTERVAL '1' HOUR

     

    Here's a website that talks about them in more detail and lists all of the possible options for the units:

    https://www.mysqltutorial.org/mysql-interval/

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  • jaeW_at_Onyx
    jaeW_at_Onyx Coach

    if time is important, structure your data during ingestion to have a separate date and separate time column.

     

    is this a streaming data / low latency use case?  does the data update hourly?

     

    if yes, ETL may not be an option (hence, ingest the data with a separate time column).  For this use case I think I'd try to covert the datetime column into a unix_timestamp()

    Jae Wilson
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