Consolidating grouped transactions into evenly sized batches

I recently worked with a large set of accounting transactions. I needed to split those rows into multiple logical batches, but each batch had to be logically consistent – among other things, those batches had to be properly balanced, because accounting people are kind of fussy like that.

So I designed a little T-SQL logic that would split all of those transactions into evenly sized batches, without violating their logical groupings.

Safety glasses on. Let’s dive in.

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