/// <summary>
/// Returns the number of rows matching the query.
/// To execute this CqlScalar use <c>Execute()</c> method.
/// </summary>
/// <typeparam name="TSource">The type of the elements of source.</typeparam>
/// <param name="source">The CqlQuery<TSource> to return the first element of.</param>
/// <returns>A single result: the number of rows matching the query.</returns>
public static CqlScalar <long> Count <TSource>(this CqlQuery <TSource> source)
{
var ret = new CqlScalar <long>(source.Expression, source.Table, source.StatementFactory, source.PocoData);
source.CopyQueryPropertiesTo(ret);
return(ret);
}
/// <summary>
/// Returns the number of rows matching the query.
/// To execute this CqlScalar use <c>Execute()</c> method.
/// </summary>
/// <typeparam name="TSource">The type of the elements of source.</typeparam>
/// <param name="source">The CqlQuery<TSource> to return the first element of.</param>
/// <returns>A single result: the number of rows matching the query.</returns>
public static CqlScalar <long> Count <TSource>(this CqlQuery <TSource> source)
{
var ret = new CqlScalar <long>(source.Expression, source.Provider);
source.CopyQueryPropertiesTo(ret);
return(ret);
}
