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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.