Mammoth
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Mammoth
A type-safe query builder pur sang
  • Type-safe query builder—sticking as close to SQL as possible
  • BYOCP (bring your own connection pool)
  • Supports Postgres only
  • Excellent autocomplete
  • Train_case to camelCase and vice versa conversion
  • Auto-migration generation based on your schema changes
db.with(
`regionalSales`,
() =>
db
.select(db.orderLog.region, sum(db.orderLog.amount).as(`totalSales`))
.from(db.orderLog)
.groupBy(db.orderLog.region),
`topRegions`,
({ regionalSales }) =>
db
.select(regionalSales.region)
.from(regionalSales)
.where(
regionalSales.totalSales.gt(
db.select(sum(regionalSales.totalSales).divide(10)).from(regionalSales),
),
),
({ topRegions }) =>
db
.select(
db.orderLog.region,
db.orderLog.product,
sum(db.orderLog.quantity).as(`productUnits`),
sum(db.orderLog.amount).as(`productSales`),
)
.from(db.orderLog)
.where(db.orderLog.region.in(db.select(topRegions.region).from(topRegions)))
.groupBy(db.orderLog.region, db.orderLog.product),
);
The above is a crazy example what Mammoth can do. The best part is that the return type is automatically inferred. No worries you're making a mistake there. And all of this works without a build step. No need to have a file watcher running.
Mammoth consists of a couple of repositories:
Last modified 1yr ago
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