public virtual IQueryState Accept(AggregateQueryExpression exp)
{
List <DbExpression> dbArguments = new List <DbExpression>(exp.Arguments.Count);
foreach (Expression argument in exp.Arguments)
{
var arg = (LambdaExpression)argument;
ScopeParameterDictionary scopeParameters = this._resultElement.ScopeParameters.Clone(arg.Parameters[0], this._resultElement.MappingObjectExpression);
var dbArgument = GeneralExpressionVisitor.ParseLambda(arg, scopeParameters, this._resultElement.ScopeTables);
dbArguments.Add(dbArgument);
}
DbAggregateExpression dbAggregateExp = new DbAggregateExpression(exp.ElementType, exp.Method, dbArguments);
MappingFieldExpression mfe = new MappingFieldExpression(exp.ElementType, dbAggregateExp);
ResultElement result = new ResultElement(this._resultElement.ScopeParameters, this._resultElement.ScopeTables);
result.MappingObjectExpression = mfe;
result.FromTable = this._resultElement.FromTable;
result.AppendCondition(this._resultElement.Condition);
AggregateQueryState state = new AggregateQueryState(result);
return(state);
}
public virtual IQueryState Accept(AggregateQueryExpression exp)
{
List <DbExpression> dbArguments = new List <DbExpression>(exp.Arguments.Count);
foreach (Expression argument in exp.Arguments)
{
var arg = (LambdaExpression)argument;
ScopeParameterDictionary scopeParameters = this._queryModel.ScopeParameters.Clone(arg.Parameters[0], this._queryModel.ResultModel);
var dbArgument = GeneralExpressionParser.Parse(arg, scopeParameters, this._queryModel.ScopeTables);
dbArguments.Add(dbArgument);
}
DbAggregateExpression dbAggregateExp = new DbAggregateExpression(exp.ElementType, exp.Method, dbArguments);
PrimitiveObjectModel resultModel = new PrimitiveObjectModel(exp.ElementType, dbAggregateExp);
QueryModel queryModel = new QueryModel(this._queryModel.ScopeParameters, this._queryModel.ScopeTables, this._queryModel.IgnoreFilters);
queryModel.ResultModel = resultModel;
queryModel.FromTable = this._queryModel.FromTable;
queryModel.AppendCondition(this._queryModel.Condition);
AggregateQueryState state = new AggregateQueryState(queryModel);
return(state);
}
public virtual IQueryState Accept(AggregateQueryExpression exp)
{
List <DbExpression> dbParameters = new List <DbExpression>(exp.Parameters.Count);
foreach (Expression pExp in exp.Parameters)
{
var dbExp = GeneralExpressionVisitor.VisitPredicate((LambdaExpression)pExp, this.MoeList);
dbParameters.Add(dbExp);
}
DbAggregateExpression dbAggregateExp = new DbAggregateExpression(exp.ElementType, exp.Method, dbParameters);
MappingFieldExpression mfe = new MappingFieldExpression(exp.ElementType, dbAggregateExp);
ResultElement result = new ResultElement();
result.MappingObjectExpression = mfe;
result.FromTable = this._resultElement.FromTable;
result.AppendCondition(this._resultElement.Condition);
AggregateQueryState state = new AggregateQueryState(result);
return(state);
}
