DatabaseValueCursor
public final class DatabaseValueCursor<Value> : Cursor where Value : DatabaseValueConvertible
A cursor of database values extracted from a single column. For example:
try dbQueue.read { db in
let urls: DatabaseValueCursor<URL> = try URL.fetchCursor(db, sql: "SELECT url FROM link")
while let url = urls.next() { // URL
print(url)
}
}
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Declaration
Swift
public func next() throws -> Value?