Interface AliasedSelectQueryBuilder<DB, TB, O, A>

A type that holds an expression and an alias for it.

AliasedExpression<T, A> can be used in places where, in addition to the value type T, you also need a name A for that value. For example anything you can pass into the select method needs to implement an AliasedExpression<T, A>. A becomes the name of the selected expression in the result and T becomes its type.


class SomeAliasedExpression<T, A extends string> implements AliasedExpression<T, A> {
#expression: Expression<T>
#alias: A

constructor(expression: Expression<T>, alias: A) {
this.#expression = expression
this.#alias = alias

get expression(): Expression<T> {
return this.#expression

get alias(): A {
return this.#alias

toOperationNode(): AliasNode {
return AliasNode.create(this.#expression.toOperationNode(), IdentifierNode.create(this.#alias))

Type Parameters

  • DB

  • TB extends keyof DB

  • O = undefined

  • A extends string = never




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