Excel Power query Buffer Table , Where and when,

Hello all, back again,

I've been trying to use a buffer table in power query running balance but aren't sure as to where or if I have the correct syntax.
I've tried creating the index and then the running balance and then using editor to indert a step for the buffer.

and also created the index and then the buffer and then the running total, I'm not sure if I'm doing this correctly,

I've attached the workbook and a text doc counting the code. I've named the queries Running total before buffer added and RT after buffer addded.

Any help in this matter gratefully received.

Richard.

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Table.Buffer loads the table into memory, and prevents query folding back to source. There's very limited (if any) benefit in using this on an Excel table source, where query folding isn't supported....

For completeness, though, your query should look something like this:

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Hi Olly,
thanks, if you have any further advice re buffers, or sites I should look at please feel free to recommend them.

RD

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