public virtual IQueryState Accept(GroupingQueryExpression exp)
{
List <IMappingObjectExpression> moeList = this.MoeList;
foreach (LambdaExpression item in exp.GroupKeySelectors)
{
var dbExp = GeneralExpressionVisitor.ParseLambda(item, moeList);
this._resultElement.GroupSegments.Add(dbExp);
}
foreach (LambdaExpression havingPredicate in exp.HavingPredicates)
{
var havingCondition = FilterPredicateExpressionVisitor.ParseFilterPredicate(havingPredicate, moeList);
this._resultElement.AppendHavingCondition(havingCondition);
}
if (exp.Orderings.Count > 0)
{
this._resultElement.Orderings.Clear();
this._resultElement.InheritOrderings = false;
for (int i = 0; i < exp.Orderings.Count; i++)
{
GroupingQueryOrdering groupOrdering = exp.Orderings[i];
DbExpression orderingDbExp = GeneralExpressionVisitor.ParseLambda(groupOrdering.KeySelector, moeList);
DbOrdering ordering = new DbOrdering(orderingDbExp, groupOrdering.OrderType);
this._resultElement.Orderings.Add(ordering);
}
}
var newResult = this.CreateNewResult(exp.Selector);
return(new GroupingQueryState(newResult));
}
public virtual IQueryState Accept(GroupingQueryExpression exp)
{
foreach (LambdaExpression item in exp.GroupKeySelectors)
{
var keySelector = (LambdaExpression)item;
ScopeParameterDictionary scopeParameters = this._resultElement.ScopeParameters.Clone(keySelector.Parameters[0], this._resultElement.MappingObjectExpression);
var dbExp = GeneralExpressionVisitor.ParseLambda(keySelector, scopeParameters, this._resultElement.ScopeTables);
this._resultElement.GroupSegments.Add(dbExp);
}
foreach (LambdaExpression havingPredicate in exp.HavingPredicates)
{
ScopeParameterDictionary scopeParameters = this._resultElement.ScopeParameters.Clone(havingPredicate.Parameters[0], this._resultElement.MappingObjectExpression);
var havingCondition = FilterPredicateExpressionVisitor.ParseFilterPredicate(havingPredicate, scopeParameters, this._resultElement.ScopeTables);
this._resultElement.AppendHavingCondition(havingCondition);
}
if (exp.Orderings.Count > 0)
{
this._resultElement.Orderings.Clear();
this._resultElement.InheritOrderings = false;
for (int i = 0; i < exp.Orderings.Count; i++)
{
GroupingQueryOrdering groupOrdering = exp.Orderings[i];
ScopeParameterDictionary scopeParameters = this._resultElement.ScopeParameters.Clone(groupOrdering.KeySelector.Parameters[0], this._resultElement.MappingObjectExpression);
DbExpression orderingDbExp = GeneralExpressionVisitor.ParseLambda(groupOrdering.KeySelector, scopeParameters, this._resultElement.ScopeTables);
DbOrdering ordering = new DbOrdering(orderingDbExp, groupOrdering.OrderType);
this._resultElement.Orderings.Add(ordering);
}
}
var newResult = this.CreateNewResult(exp.Selector);
return(new GroupingQueryState(newResult));
}
public virtual IQueryState Accept(GroupingQueryExpression exp)
{
foreach (LambdaExpression item in exp.GroupKeySelectors)
{
var keySelector = (LambdaExpression)item;
ScopeParameterDictionary scopeParameters = this._queryModel.ScopeParameters.Clone(keySelector.Parameters[0], this._queryModel.ResultModel);
this._queryModel.GroupSegments.AddRange(GroupKeySelectorParser.Parse(keySelector, scopeParameters, this._queryModel.ScopeTables));
}
foreach (LambdaExpression havingPredicate in exp.HavingPredicates)
{
ScopeParameterDictionary scopeParameters = this._queryModel.ScopeParameters.Clone(havingPredicate.Parameters[0], this._queryModel.ResultModel);
var havingCondition = FilterPredicateParser.Parse(havingPredicate, scopeParameters, this._queryModel.ScopeTables);
this._queryModel.AppendHavingCondition(havingCondition);
}
if (exp.Orderings.Count > 0)
{
this._queryModel.Orderings.Clear();
this._queryModel.InheritOrderings = false;
for (int i = 0; i < exp.Orderings.Count; i++)
{
GroupingQueryOrdering groupOrdering = exp.Orderings[i];
ScopeParameterDictionary scopeParameters = this._queryModel.ScopeParameters.Clone(groupOrdering.KeySelector.Parameters[0], this._queryModel.ResultModel);
DbExpression orderingDbExp = GeneralExpressionParser.Parse(groupOrdering.KeySelector, scopeParameters, this._queryModel.ScopeTables);
DbOrdering ordering = new DbOrdering(orderingDbExp, groupOrdering.OrderType);
this._queryModel.Orderings.Add(ordering);
}
}
QueryModel newQueryModel = this.CreateNewQueryModel(exp.Selector);
return(new GroupingQueryState(newQueryModel));
}
