public void HandleResultOperator ()
{
var resultOperator = new AnyResultOperator ();
var sqlStatement = _sqlStatementBuilder.GetSqlStatement();
var fakePreparedSelectProjection = Expression.Constant (false);
_stageMock
.Expect (mock => mock.PrepareSelectExpression (Arg<Expression>.Matches (e => e is SqlExistsExpression), Arg.Is (_context)))
.WhenCalled (
mi =>
{
var selectProjection = (Expression) mi.Arguments[0];
Assert.That (selectProjection, Is.TypeOf (typeof (SqlExistsExpression)));
var expectedExistsExpression = new SqlExistsExpression (new SqlSubStatementExpression (sqlStatement));
SqlExpressionTreeComparer.CheckAreEqualTrees (expectedExistsExpression, selectProjection);
})
.Return (fakePreparedSelectProjection);
_handler.HandleResultOperator (resultOperator, _sqlStatementBuilder, _generator, _stageMock, _context);
Assert.That (_sqlStatementBuilder.DataInfo, Is.TypeOf (typeof (StreamedScalarValueInfo)));
Assert.That (((StreamedScalarValueInfo) _sqlStatementBuilder.DataInfo).DataType, Is.EqualTo (typeof (Boolean)));
_stageMock.VerifyAllExpectations ();
Assert.That (_sqlStatementBuilder.SelectProjection, Is.SameAs (fakePreparedSelectProjection));
}
public void HandleResultOperator()
{
var resultOperator = new AnyResultOperator();
var sqlStatement = _sqlStatementBuilder.GetSqlStatement();
var fakePreparedSelectProjection = Expression.Constant(false);
_stageMock
.Expect(mock => mock.PrepareSelectExpression(Arg <Expression> .Matches(e => e is SqlExistsExpression), Arg.Is(_context)))
.WhenCalled(
mi =>
{
var selectProjection = (Expression)mi.Arguments[0];
Assert.That(selectProjection, Is.TypeOf(typeof(SqlExistsExpression)));
var expectedExistsExpression = new SqlExistsExpression(new SqlSubStatementExpression(sqlStatement));
SqlExpressionTreeComparer.CheckAreEqualTrees(expectedExistsExpression, selectProjection);
})
.Return(fakePreparedSelectProjection);
_handler.HandleResultOperator(resultOperator, _sqlStatementBuilder, _generator, _stageMock, _context);
Assert.That(_sqlStatementBuilder.DataInfo, Is.TypeOf(typeof(StreamedScalarValueInfo)));
Assert.That(((StreamedScalarValueInfo)_sqlStatementBuilder.DataInfo).DataType, Is.EqualTo(typeof(Boolean)));
_stageMock.VerifyAllExpectations();
Assert.That(_sqlStatementBuilder.SelectProjection, Is.SameAs(fakePreparedSelectProjection));
}
private void VisitAnyResultOperator(AnyResultOperator anyResultOperator, Remotion.Linq.QueryModel queryModel, int index)
{
string targetIdentifierString = _visitor.Query.CreateIdentifier(_visitor.ItemNameOverride);
IList <EntityConstrain> entityConstrains = null;
StrongEntityAccessor entityAccessor = (from accessor in _visitor.Query.GetQueryComponentNavigator().FindAllComponents <StrongEntityAccessor>()
let constrains = accessor.Elements.OfType <EntityConstrain>()
from constrain in constrains
let predicate = constrain.Predicate as Literal
where predicate != null
let predicateUri = (Uri)predicate.Value
let identifier = constrain.Value as Identifier
where identifier != null
let identifierString = _visitor.Query.RetrieveIdentifier(identifier.Name)
where (identifierString == targetIdentifierString) || ((_fromExpression != null) && (constrain.TargetExpression.EqualsTo(_fromExpression)))
where (entityConstrains = constrains.Where(item =>
(item.Predicate is Literal) && (((Uri)((Literal)item.Predicate).Value).AbsoluteUri == predicateUri.AbsoluteUri)).ToList()).Count > 0
select accessor).FirstOrDefault();
if (entityAccessor != null)
{
foreach (EntityConstrain entityConstrain in entityConstrains)
{
int indexOf = entityAccessor.Elements.IndexOf(entityConstrain);
entityAccessor.Elements.RemoveAt(indexOf);
OptionalPattern optional = new OptionalPattern();
optional.Patterns.Add(entityConstrain);
entityAccessor.Elements.Insert(indexOf, optional);
}
}
Call call = new Call(MethodNames.Bound);
_result = call;
}
private void VisitAnyResultOperator(AnyResultOperator anyResultOperator, Remotion.Linq.QueryModel queryModel, int index)
{
if (_query.IsSubQuery)
{
Call call = new Call(MethodNames.Any);
call.Arguments.Add(_query);
_result = call;
}
else
{
_query.QueryForm = QueryForms.Ask;
}
}
private static Expression ProcessResultOperator(Expression expression, Type expressionItemType, AnyResultOperator _)
{
return(Expression.Call(_anyAsyncShim.MakeGenericMethod(expressionItemType), expression));
}
private static Expression HandleResultOperator(Expression expression, Type expressionItemType, AnyResultOperator _)
{
return(Expression.Call(_any.MakeGenericMethod(expressionItemType), expression));
}
public void SetUp()
{
_resultOperator = new AnyResultOperator();
}
private bool TryHandleAny(SubQueryExpression subquery, AnyResultOperator ro) => TryHandleAllAny(subquery, (subquery.QueryModel.BodyClauses.FirstOrDefault() as WhereClause)?.Predicate, "ANY");
private void VisitAnyResultOperator(AnyResultOperator anyResultOperator, Remotion.Linq.QueryModel queryModel, int index)
{
string targetIdentifierString = _visitor.Query.CreateIdentifier(_visitor.ItemNameOverride);
IList<EntityConstrain> entityConstrains = null;
StrongEntityAccessor entityAccessor = (from accessor in _visitor.Query.GetQueryComponentNavigator().FindAllComponents<StrongEntityAccessor>()
let constrains = accessor.Elements.OfType<EntityConstrain>()
from constrain in constrains
let predicate = constrain.Predicate as Literal
where predicate != null
let predicateUri = (Uri)predicate.Value
let identifier = constrain.Value as Identifier
where identifier != null
let identifierString = _visitor.Query.RetrieveIdentifier(identifier.Name)
where identifierString == targetIdentifierString
where (entityConstrains = constrains.Where(item =>
(item.Predicate is Literal) && (((Uri)((Literal)item.Predicate).Value).AbsoluteUri == predicateUri.AbsoluteUri)).ToList()).Count > 0
select accessor).FirstOrDefault();
if (entityAccessor != null)
{
foreach (EntityConstrain entityConstrain in entityConstrains)
{
int indexOf = entityAccessor.Elements.IndexOf(entityConstrain);
entityAccessor.Elements.RemoveAt(indexOf);
OptionalPattern optional = new OptionalPattern();
optional.Patterns.Add(entityConstrain);
entityAccessor.Elements.Insert(indexOf, optional);
}
}
Call call = new Call(MethodNames.Bound);
_result = call;
}
private void VisitAnyResultOperator(AnyResultOperator anyResultOperator, Remotion.Linq.QueryModel queryModel, int index)
{
if (_query.IsSubQuery)
{
Call call = new Call(MethodNames.Any);
call.Arguments.Add(_query);
_result = call;
}
else
{
_query.QueryForm = QueryForms.Ask;
}
}
public void SetUp ()
{
_resultOperator = new AnyResultOperator ();
}
