/// <inheritdoc />
public override void VisitSelectClause(
SelectClause selectClause,
QueryModel queryModel)
{
Check.NotNull(selectClause, nameof(selectClause));
Check.NotNull(queryModel, nameof(queryModel));
if (selectClause.Selector.Type == Expression.Type.GetSequenceType() &&
selectClause.Selector is QuerySourceReferenceExpression)
{
return;
}
Expression selector = ReplaceClauseReferences(
_projectionExpressionVisitorFactory
.Create(this, queryModel.MainFromClause)
.Visit(selectClause.Selector),
inProjection: true);
if ((Expression.Type.TryGetSequenceType() != null || !(selectClause.Selector is QuerySourceReferenceExpression)) &&
!queryModel.ResultOperators
.Select(ro => ro.GetType())
.Any(
t => t == typeof(GroupResultOperator) ||
t == typeof(AllResultOperator)))
{
Expression = Expression.Call(
LinqOperatorProvider.Select
.MakeGenericMethod(CurrentParameter.Type, selector.Type),
Expression,
Expression.Lambda(ConvertToRelationshipAssignments(selector), CurrentParameter));
}
}
public override void VisitSelectClause(
[NotNull] SelectClause selectClause, [NotNull] QueryModel queryModel)
{
Check.NotNull(selectClause, nameof(selectClause));
Check.NotNull(queryModel, nameof(queryModel));
var sequenceType = _expression.Type.GetSequenceType();
if (selectClause.Selector.Type == sequenceType)
{
return;
}
var selector
= ReplaceClauseReferences(
_projectionExpressionVisitorFactory
.Create(this, queryModel.MainFromClause)
.Visit(selectClause.Selector),
inProjection: true);
if (selector.Type != sequenceType)
{
_expression
= Expression.Call(
LinqOperatorProvider.Select
.MakeGenericMethod(CurrentParameter.Type, selector.Type),
_expression,
Expression.Lambda(selector, CurrentParameter));
}
}