protected override ShapedQueryExpression TranslateJoin(
ShapedQueryExpression outer,
ShapedQueryExpression inner,
LambdaExpression outerKeySelector,
LambdaExpression innerKeySelector,
LambdaExpression resultSelector)
{
var joinPredicate = CreateJoinPredicate(outer, outerKeySelector, inner, innerKeySelector);
if (joinPredicate != null)
{
var transparentIdentifierType = TransparentIdentifierFactory.Create(
resultSelector.Parameters[0].Type,
resultSelector.Parameters[1].Type);
((SelectExpression)outer.QueryExpression).AddInnerJoin(
(SelectExpression)inner.QueryExpression, joinPredicate, transparentIdentifierType);
return(TranslateResultSelectorForJoin(
outer,
resultSelector,
inner.ShaperExpression,
transparentIdentifierType,
false));
}
throw new NotImplementedException();
}
protected override ShapedQueryExpression TranslateSelectMany(
ShapedQueryExpression source, LambdaExpression collectionSelector, LambdaExpression resultSelector)
{
var collectionSelectorBody = collectionSelector.Body;
//var defaultIfEmpty = false;
if (collectionSelectorBody is MethodCallExpression collectionEndingMethod &&
collectionEndingMethod.Method.IsGenericMethod &&
collectionEndingMethod.Method.GetGenericMethodDefinition() == _defaultIfEmptyWithoutArgMethodInfo)
{
//defaultIfEmpty = true;
collectionSelectorBody = collectionEndingMethod.Arguments[0];
}
var correlated = new CorrelationFindingExpressionVisitor().IsCorrelated(collectionSelectorBody, collectionSelector.Parameters[0]);
if (correlated)
{
// TODO visit inner with outer parameter;
throw new NotImplementedException();
}
else
{
if (Visit(collectionSelectorBody) is ShapedQueryExpression inner)
{
var transparentIdentifierType = TransparentIdentifierFactory.Create(
resultSelector.Parameters[0].Type,
resultSelector.Parameters[1].Type);
((SelectExpression)source.QueryExpression).AddCrossJoin(
(SelectExpression)inner.QueryExpression, transparentIdentifierType);
return(TranslateResultSelectorForJoin(
source,
resultSelector,
inner.ShaperExpression,
transparentIdentifierType,
false));
}
}
throw new NotImplementedException();
}