Dapper handles the mapping of object properties, but if your aggregate has child collections, you have to manually do that. When those collections get large, there is an opportunity to improve performance! See what the benchmarks prove about using Linq where extensions, dictionaries, and sorted spans.
00:00 Introduction
00:34 Populating the Aggregate
01:03 Linq with Where Extension
02:12 Using GroupBy with a Dictionary
03:33 Establishing A Baseline with Span
04:03 Sorting the Chlid Collections
04:39 Sorting with a Span
05:56 Using the Span Slice Method
06:39 Benchmark Memory Data
06:40 Marker 19
Sample Code:
github.com/JZuerlein/ListVsDi...
Blog:
betterwithcode.com/
LinkedIn:
/ jeff-zuerlein-2aa67b7