bughelp wanted
描述
update my table.
let x = Expression<Double>("x")
let db = try! Connection(dbFilePath)
let tbl = Table("test")
let dX: Double = 2000
try! db.run(tel.update(x <- dX))
update is success.
but select updated table is failure
for row in try! db.prepare(tbl.select(x)) {
print(row[x])
}
error occurred.
fatal error: unexpectedly found nil while unwrapping an Optional value
Query.swift line: 1025 guard let value = values[idx] as? V.Datatype else { return nil }
please help!