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📰 Dev.to · ThaSha

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Multi-Level GroupBy in DataWeave: 2 Traps That Break Your Nested Aggregations

Dev.to · ThaSha 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3mo ago

Multi-Level GroupBy in DataWeave: 2 Traps That Break Your Nested Aggregations

I spent 2 days building a 3-level sales report in DataWeave. Region to country to product, with...

DataWeave Custom Functions: The Module Trap That Wastes Hours

Dev.to · ThaSha 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3mo ago

DataWeave Custom Functions: The Module Trap That Wastes Hours

TL;DR Your fun declaration works inline but breaks with "Unable to resolve reference" when moved to...

DataWeave XML to JSON: Handle Attributes, Namespaces, and Arrays

Dev.to · ThaSha 📊 Data Analytics & Business Intelligence ⚡ AI Lesson 3mo ago

DataWeave XML to JSON: Handle Attributes, Namespaces, and Arrays

I built a legacy migration last year converting XML responses to JSON. The automatic conversion lost...