Type Alias AnyColumn<DB, TB>

Given a database type and a union of table names in that db, returns a union type with all possible column names.

Example:

interface Person {
  id: number
}

interface Pet {
  name: string
  species: 'cat' | 'dog'
}

interface Movie {
  stars: number
}

interface Database {
  person: Person
  pet: Pet
  movie: Movie
}

type Columns = AnyColumn<Database, 'person' | 'pet'>

// Columns == 'id' | 'name' | 'species'
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