api-docs / org.ktorm.entity / singleOrNull
singleOrNull
fun <E : Any, T : BaseTable<E>> EntitySequence<E, T>.singleOrNull(): E?
(source code)Return single element, or null
if the sequence is empty or has more than one element.
The operation is terminal.
inline fun <E : Any, T : BaseTable<E>> EntitySequence<E, T>.singleOrNull(
predicate: (T) -> ColumnDeclaring<Boolean>
): E?
(source code)Return the single element matching the given predicate, or null
if element was not found or more than one
element was found.
The operation is terminal.