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Power Platform Community / Forums / Power Automate / max() value of a column
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max() value of a column

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Posted on by BenDonahue 932

Is there a way to use max() to grab the maximum value from a column? 

 

I am using the Excel connector and the "List rows present in a table" block.

 

I am hoping for something like this:

max(body('ListRowsPresentInATable')?['Key'])

 

Otherwise, I guess I'll loop through the keys and append them to an array variable and max that, but the above approach would be quicker.

 

Thank you for your assistance.

 

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Building flows
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  • Verified answer
    abm abm Profile Picture
    abm abm 32,856 Most Valuable Professional on at
    Re: max() value of a column

    Hi @BenDonahue 

     

    Read the Excel Rows first. Use the Select action to get all the keys. This will return the array. Then use the max() expression for the array to get the number.

     

    Thanks

  • BenDonahue Profile Picture
    BenDonahue 932 on at
    Re: max() value of a column

    @abm ,

    Thank you for your help.

    Can I impose for a bit more help, please?

    I set up the Select block like this:

    BenDonahue_0-1632491311050.png

    Then tried to max Key column. This feels like the same issue I had to begin with.

     

    I tried not using a Key column in Select and maxing the outputs, but no luck with that either.

     

    1. Am I using the Select block correctly?

    2. What is the syntax in the following Compose block?

     

    Thank you, again, for your help, abm.

  • Verified answer
    abm abm Profile Picture
    abm abm 32,856 Most Valuable Professional on at
    Re: max() value of a column

    Hi @BenDonahue 

     

    There is an easy way to do this.

     

    image.png

     

    Above expression is as follows:

     

    outputs('List_rows_present_in_a_table')?['body/value'][0]?['Age']

     

    Thanks

  • BenDonahue Profile Picture
    BenDonahue 932 on at
    Re: max() value of a column

    Love it. Thank you.

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