/// <summary>
/// Specifies the consistency guarantee/constraint for index scanning.
/// </summary>
/// <param name="scanConsistency">Specify the consistency guarantee/constraint for index scanning.</param>
/// <returns>
/// A reference to the current <see cref="QueryOptions" /> for method chaining.
/// </returns>
/// <exception cref="NotSupportedException">StatementPlus are not currently supported by CouchbaseServer.</exception>
/// <remarks>
/// Optional.
/// </remarks>
public QueryOptions ScanConsistency(QueryScanConsistency scanConsistency)
{
#pragma warning disable 618
if (scanConsistency == QueryScanConsistency.StatementPlus)
#pragma warning restore 618
{
throw new NotSupportedException(
"AtPlus and StatementPlus are not currently supported by CouchbaseServer.");
}
_scanConsistency = scanConsistency;
return(this);
}
/// <summary>
/// Specifies the consistency guarantee/constraint for index scanning.
/// </summary>
/// <param name="source">Sets scan consistency for this query. Must be a Couchbase LINQ query.</param>
/// <param name="scanConsistency">Specify the consistency guarantee/constraint for index scanning.</param>
/// <remarks>The default is <see cref="QueryScanConsistency.NotBounded"/>.</remarks>
public static IQueryable <T> ScanConsistency <T>(this IQueryable <T> source, QueryScanConsistency scanConsistency)
{
if (source == null)
{
throw new ArgumentNullException(nameof(source));
}
return(source.Provider.CreateQuery <T>(
Expression.Call(
QueryExtensionMethods.ScanConsistency.MakeGenericMethod(typeof(T)),
source.Expression,
Expression.Constant(scanConsistency))));
}
/// <summary>
/// Initializes a new instance of the <see cref="ScanConsistencyClause" /> class.
/// </summary>
/// <param name="scanConsistency">Scan consistency for the query.</param>
/// <param name="scanWait">Time to wait for index scan.</param>
public ScanConsistencyClause(QueryScanConsistency scanConsistency, TimeSpan?scanWait)
{
ScanConsistency = scanConsistency;
ScanWait = scanWait;
}
