public TEntity EndExecute(IAsyncResult ar)
{
var rs = InternalEndExecute(ar);
Row row = rs.GetRows().FirstOrDefault();
if (row == null)
{
if (((MethodCallExpression)Expression).Method.Name == "First")
{
throw new InvalidOperationException("Sequence contains no elements.");
}
else if (((MethodCallExpression)Expression).Method.Name == "FirstOrDefault")
{
return(default(TEntity));
}
}
CqlColumn[] cols = rs.Columns;
var colToIdx = new Dictionary <string, int>();
for (int idx = 0; idx < cols.Length; idx++)
{
colToIdx.Add(cols[idx].Name, idx);
}
var tag = (CqlQueryTag)Session.GetTag(ar);
return(CqlQueryTools.GetRowFromCqlRow <TEntity>(row, colToIdx, tag.Mappings, tag.Alter));
}
internal IEnumerable <TEntity> AdaptRows(IEnumerable <Row> rows, Dictionary <string, int> colToIdx, CqlExpressionVisitor visitor)
{
foreach (Row row in rows)
{
yield return(CqlQueryTools.GetRowFromCqlRow <TEntity>(row, colToIdx, visitor.Mappings, visitor.Alter));
}
}
public IEnumerable <TEntity> EndExecute(IAsyncResult ar)
{
using (var outp = InternalEndExecute(ar))
{
QueryTrace = outp.Info.QueryTrace;
var cols = outp.Columns;
var colToIdx = new Dictionary <string, int>();
for (int idx = 0; idx < cols.Length; idx++)
{
colToIdx.Add(cols[idx].Name, idx);
}
var rows = outp.GetRows();
var tag = (CqlQueryTag)Session.GetTag(ar);
foreach (var row in rows)
{
yield return(CqlQueryTools.GetRowFromCqlRow <TEntity>(row, colToIdx, tag.Mappings, tag.Alter));
}
}
}
