MongoDB query compiled from plain English against the ecommerce sample schema, then verified by running it.
{
"type": "aggregation",
"collection": "orders",
"pipeline": [
{},
{},
{},
{}
]
}$unwind — flattens $productIds into one document per element.$lookup — joins the products collection on productIds → _id.$unwind — flattens $product into one document per element.$group — groups by "$product.category" and aggregates totalRevenueCents.totalCents stores money as an integer number of cents — divide by 100 before displaying it.$group, totalRevenueCents totals $totalCents — one output document per distinct "$product.category".Write this in plain English instead. Mask Databases compiles the sentence above into exactly this query at build time — no AI at runtime, and you can read the output in a diff.
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