protected override IEnumerable <Entity> ExecuteInternal(IDictionary <string, DataSource> dataSources, IQueryExecutionOptions options, IDictionary <string, Type> parameterTypes, IDictionary <string, object> parameterValues)
{
var offset = SqlTypeConverter.ChangeType <int>(Offset.Compile(null, parameterTypes)(null, parameterValues, options));
var fetch = SqlTypeConverter.ChangeType <int>(Fetch.Compile(null, parameterTypes)(null, parameterValues, options));
if (offset < 0)
{
throw new QueryExecutionException("The offset specified in a OFFSET clause may not be negative.");
}
if (fetch <= 0)
{
throw new QueryExecutionException("The number of rows provided for a FETCH clause must be greater then zero.");
}
return(Source.Execute(dataSources, options, parameterTypes, parameterValues)
.Skip(offset)
.Take(fetch));
}