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 ResultElement CreateNewResult(LambdaExpression selector)
{
ResultElement result = new ResultElement();
result.FromTable = this._resultElement.FromTable;
IMappingObjectExpression r = SelectorExpressionVisitor.VisitSelectExpression(selector, this.MoeList);
result.MappingObjectExpression = r;
result.Orderings.AddRange(this._resultElement.Orderings);
result.AppendCondition(this._resultElement.Condition);
result.GroupSegments.AddRange(this._resultElement.GroupSegments);
result.AppendHavingCondition(this._resultElement.HavingCondition);
return(result);
}
public virtual ResultElement CreateNewResult(LambdaExpression selector)
{
ResultElement result = new ResultElement(this._resultElement.ScopeParameters, this._resultElement.ScopeTables);
result.FromTable = this._resultElement.FromTable;
ScopeParameterDictionary scopeParameters = this._resultElement.ScopeParameters.Clone(selector.Parameters[0], this._resultElement.MappingObjectExpression);
IMappingObjectExpression r = SelectorExpressionVisitor.ResolveSelectorExpression(selector, scopeParameters, this._resultElement.ScopeTables);
result.MappingObjectExpression = r;
result.Orderings.AddRange(this._resultElement.Orderings);
result.AppendCondition(this._resultElement.Condition);
result.GroupSegments.AddRange(this._resultElement.GroupSegments);
result.AppendHavingCondition(this._resultElement.HavingCondition);
return result;
}
public virtual IQueryState Accept(FunctionExpression 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);
}
DbFunctionExpression dbFuncExp = new DbFunctionExpression(exp.ElementType, exp.Method, dbParameters);
MappingFieldExpression mfe = new MappingFieldExpression(exp.ElementType, dbFuncExp);
ResultElement result = new ResultElement();
result.MappingObjectExpression = mfe;
result.FromTable = this._resultElement.FromTable;
result.AppendCondition(this._resultElement.Condition);
FunctionQueryState state = new FunctionQueryState(result);
return(state);
}
public virtual ResultElement CreateNewResult(LambdaExpression selector)
{
ResultElement result = new ResultElement();
result.FromTable = this._resultElement.FromTable;
IMappingObjectExpression r = SelectorExpressionVisitor.VisitSelectExpression(selector, this.MoeList);
result.MappingObjectExpression = r;
result.OrderSegments.AddRange(this._resultElement.OrderSegments);
result.AppendCondition(this._resultElement.Condition);
result.GroupSegments.AddRange(this._resultElement.GroupSegments);
result.AppendHavingCondition(this._resultElement.HavingCondition);
return result;
}
public virtual IQueryState Accept(FunctionExpression 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);
}
DbFunctionExpression dbFuncExp = new DbFunctionExpression(exp.ElementType, exp.Method, dbParameters);
MappingFieldExpression mfe = new MappingFieldExpression(exp.ElementType, dbFuncExp);
ResultElement result = new ResultElement();
result.MappingObjectExpression = mfe;
result.FromTable = this._resultElement.FromTable;
result.AppendCondition(this._resultElement.Condition);
FunctionQueryState state = new FunctionQueryState(result);
return state;
}