Required Instance Methodgrdb 7.4.0GRDB
filterWhenConnected(_:)
Filters the fetched rows with a boolean SQL expression.
func filterWhenConnected(_ predicate: @escaping (Database) throws -> any SQLExpressible) -> Self Parameters
- predicate
A closure that accepts a database connection and returns a boolean SQL expression.
The predicate parameter is a closure that accepts a database connection and returns a boolean SQL expression. It is evaluated when the request has an access to the database, and can perform database requests in order to build its result.
For example:
// SELECT * FROM player WHERE name = 'O''Brien'
let name = "O'Brien"
let request = Player.all().filterWhenConnected { db in
Column("name") == name
}