//--------------------------------------------------------------------------------------------------------------------------------------------------
#region Private methods
//--------------------------------------------------------------------------------------------------------------------------------------------------
private Expression JoinMethod(MethodCallExpression expression)
{
// first argument is another join or method call
if (expression.Arguments[0] is MethodCallExpression)
{
VisitMethodCall((MethodCallExpression)expression.Arguments[0]);
}
var joinFromType = ((LambdaExpression)((UnaryExpression)expression.Arguments[4]).Operand).Parameters[0].Type;
// from type if generic, possbily another join
if (joinFromType.IsGenericType)
{
joinFromType = joinFromType.GenericTypeArguments[1];
}
var joinToType = ((LambdaExpression)((UnaryExpression)expression.Arguments[4]).Operand).Parameters[1].Type;
EntityTableCacheHelper.ToEntityTable(joinFromType);
var joinToTable = EntityTableCacheHelper.ToEntityTable(joinToType);
var primaryJoinColumn = _serverWriter.GetPropertyNameWithIdentifierFromExpression(expression.Arguments[2]);
var secondaryJoinColumn = _serverWriter.GetPropertyNameWithIdentifierFromExpression(expression.Arguments[3]);
_serverWriter.WriteJoin(joinToTable.Name, joinToTable.Identifier, primaryJoinColumn, secondaryJoinColumn);
return(expression);
}