Method SingleOrDefaultAsync

Namespace: Open.Database.Extensions

Assembly: Open.Database.Extensions.Core.dll

SingleOrDefaultAsync(CancellationToken)

Asynchronously reads the only mapped row.

public ValueTask<T?> SingleOrDefaultAsync(CancellationToken cancellationToken = default)

Parameters

cancellationToken CancellationToken: Cancels the operation. When it cannot be canceled, the cancellation token set on the underlying command applies.

Returns

ValueTask<T>: A task that produces the single row, or default if the query returns no rows.

Exceptions

OperationCanceledException: The operation was canceled.
InvalidOperationException: The query returns more than one row.

See Also: FirstOrDefault<T>(IMappedQuery<T>)

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