protected virtual void VisitOrderBy(IOqlExpressionVisitor visitor, MethodCallExpression methodCall)
{
visitor.Visit(methodCall.GetArgument(1));
if (methodCall.IsCalledOr(OrderBy, ThenBy))
{
visitor.Query.AppendAsc();
return;
}
if (methodCall.IsCalledOr(OrderByDescending, ThenByDescending))
{
visitor.Query.AppendDesc();
}
}
public static void ProcessNavigate(IOqlSyntaxContext callContext, MethodCallExpression methodCall)
{
callContext.CallResult.ResultType = methodCall.Type;
if (methodCall.IsCalledOr(AnyWithPredicate, AnyWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.IsAny;
return;
}
if (methodCall.IsCalledOr(FirstWithPredicate, FirstWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.First;
return;
}
if (methodCall.IsCalledOr(FirstOrDefaultWithPredicate, FirstOrDefaultWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.First | OqlCommandToken.DefaultFlag;
return;
}
if (methodCall.IsCalledOr(SingleWithPredicate, SingleWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.Single;
return;
}
if (methodCall.IsCalledOr(SingleOrDefaultWithPredicate, SingleOrDefaultWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.Single | OqlCommandToken.DefaultFlag;
return;
}
if (methodCall.IsCalledOr(LastWithPredicate, LastWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.Last;
return;
}
if (methodCall.IsCalledOr(LastOrDefaultWithPredicate, LastOrDefaultWithoutPredicate))
{
callContext.CallResult.Command = OqlCommandToken.Last | OqlCommandToken.DefaultFlag;
return;
}
if (methodCall.IsCalledOr(CountWithPredicate, LongCountWithPredicate))
{
callContext.CallResult.Command = OqlCommandToken.Scalar;
return;
}
}
public override void ProcessMethodCall(IOqlSyntaxContext callContext, MethodCallExpression methodCall)
{
if (Distinct.Equals(methodCall))
{
m_has_distinct = true;
return;
}
m_select_expression = methodCall.GetArgument(1);
callContext.CallResult.ResultType = methodCall.Type;
if (m_select_expression.NodeType == ExpressionType.MemberInit || m_select_expression.NodeType == ExpressionType.New)
{
return;
}
if (methodCall.IsCalled(Min))
{
visit_to_aggregate = (x, y) => callContext.AggregateFormatter.FormatMin(x, y);
return;
}
if (methodCall.IsCalled(Max))
{
visit_to_aggregate = (x, y) => callContext.AggregateFormatter.FormatMax(x, y);
return;
}
if (methodCall.IsCalled("Average"))
{
visit_to_aggregate = (x, y) => callContext.AggregateFormatter.FormatAverage(x, y);
return;
}
if (methodCall.IsCalled("Sum"))
{
visit_to_aggregate = (x, y) => callContext.AggregateFormatter.FormatSum(x, y);
return;
}
if (methodCall.IsCalledOr(Count, LongCount))
{
callContext.CallResult.Command = OqlCommandToken.Scalar;
}
visit_to_aggregate = null;
}
