distinctOnTyped

Description

distinctOnTyped is a method that applies typesafe distinctOn to a query in Postgres.

Signature

distinctOnTyped(
  ...distinctOn: KeyProxyCallback<Entity>
): SelectQueryBuilder<Entity>

Arguments

• distinctOn: KeyProxyCallback<Entity>: The array of callbacks which selects fields of entity for distingt rule.

Usage

// same as `query.distinctOn(['user.name'])`
query.distinctOnTyped(user => user.name)

// same as `query.distinctOn(['user.id', 'user.name'])`
query.distinctOnTyped(user => [
  user.createdAt,
  user.name,
])

// same as `query.distinctOn(['user.createdAt', 'user.name'])`
query.distinctOnTyped(
  user => user.createdAt,
  user => user.name
)