Harnessing Presto – A Deep Dive into Adobe Advertising’s Three Use Cases

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At PrestoCon Day 2023, we had a team from Adobe showcasing three different Presto-based use cases. As part of Adobe Advertising, Rajmani Arya, Varun Senthilnathan and Manoj Kumar Dhakad detailed the Adobe Data Processing platform (ADP) and three use cases for Presto: scheduled pipelines, ad-hoc query, and custom reporting. Let’s dive into what they covered….

Common Sub-Expression optimization

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The problem One common pattern we see in some analytical workloads is the repeated use of the same, often times expensive expression. Look at the following query plan for example: The expression JSON_PARSE(features) is used 6 times, and casted to different ROW structures for further processing. Traditionally, Presto would just execute the expression 6 times,…