protected override Expression VisitShapedQueryExpression(ShapedQueryExpression shapedQueryExpression)
{
var shaperBody = InjectEntityMaterializer(shapedQueryExpression.ShaperExpression);
var selectExpression = (SelectExpression)shapedQueryExpression.QueryExpression;
shaperBody = new RelationalProjectionBindingRemovingExpressionVisitor(selectExpression).Visit(shaperBody);
shaperBody = new IncludeCompilingExpressionVisitor(TrackQueryResults).Visit(shaperBody);
var indexMapParameter = Expression.Parameter(typeof(int[]), "indexMap");
if (selectExpression.IsNonComposedFromSql())
{
shaperBody = new IndexMapInjectingExpressionVisitor(indexMapParameter).Visit(shaperBody);
}
var shaperLambda = Expression.Lambda(
shaperBody,
QueryCompilationContext.QueryContextParameter,
RelationalProjectionBindingRemovingExpressionVisitor.DataReaderParameter,
indexMapParameter,
_resultCoordinatorParameter);
return(Expression.New(
(Async
? typeof(AsyncQueryingEnumerable <>)
: typeof(QueryingEnumerable <>)).MakeGenericType(shaperLambda.ReturnType).GetConstructors()[0],
Expression.Convert(QueryCompilationContext.QueryContextParameter, typeof(RelationalQueryContext)),
Expression.Constant(_querySqlGeneratorFactory),
Expression.Constant(_sqlExpressionFactory),
Expression.Constant(_parameterNameGeneratorFactory),
Expression.Constant(selectExpression),
Expression.Constant(shaperLambda.Compile()),
Expression.Constant(_contextType),
Expression.Constant(_logger)));
}
protected override Expression VisitShapedQueryExpression(ShapedQueryExpression shapedQueryExpression)
{
var selectExpression = (SelectExpression)shapedQueryExpression.QueryExpression;
selectExpression.ApplyTags(_tags);
var dataReaderParameter = Expression.Parameter(typeof(DbDataReader), "dataReader");
var resultCoordinatorParameter = Expression.Parameter(typeof(ResultCoordinator), "resultCoordinator");
var indexMapParameter = Expression.Parameter(typeof(int[]), "indexMap");
var shaper = new ShaperExpressionProcessingExpressionVisitor(
selectExpression,
dataReaderParameter,
resultCoordinatorParameter,
indexMapParameter)
.Inject(shapedQueryExpression.ShaperExpression);
shaper = InjectEntityMaterializers(shaper);
shaper = new RelationalProjectionBindingRemovingExpressionVisitor(selectExpression, dataReaderParameter)
.Visit(shaper);
shaper = new CustomShaperCompilingExpressionVisitor(
dataReaderParameter, resultCoordinatorParameter, IsTracking)
.Visit(shaper);
IReadOnlyList <string> columnNames = null;
if (selectExpression.IsNonComposedFromSql())
{
shaper = new IndexMapInjectingExpressionVisitor(indexMapParameter).Visit(shaper);
columnNames = selectExpression.Projection.Select(pe => ((ColumnExpression)pe.Expression).Name).ToList();
}
var relationalCommandCache = new RelationalCommandCache(
Dependencies.MemoryCache,
RelationalDependencies.SqlExpressionFactory,
RelationalDependencies.ParameterNameGeneratorFactory,
RelationalDependencies.QuerySqlGeneratorFactory,
_useRelationalNulls,
selectExpression);
var shaperLambda = (LambdaExpression)shaper;
return(Expression.New(
typeof(QueryingEnumerable <>).MakeGenericType(shaperLambda.ReturnType).GetConstructors()[0],
Expression.Convert(QueryCompilationContext.QueryContextParameter, typeof(RelationalQueryContext)),
Expression.Constant(relationalCommandCache),
Expression.Constant(columnNames, typeof(IReadOnlyList <string>)),
Expression.Constant(shaperLambda.Compile()),
Expression.Constant(_contextType),
Expression.Constant(_logger)));
}
protected override Expression VisitShapedQueryExpression(ShapedQueryExpression shapedQueryExpression)
{
var selectExpression = (SelectExpression)shapedQueryExpression.QueryExpression;
selectExpression.ApplyTags(_tags);
var dataReaderParameter = Expression.Parameter(typeof(DbDataReader), "dataReader");
var resultCoordinatorParameter = Expression.Parameter(typeof(ResultCoordinator), "resultCoordinator");
var indexMapParameter = Expression.Parameter(typeof(int[]), "indexMap");
var shaper = new ShaperExpressionProcessingExpressionVisitor(
selectExpression,
dataReaderParameter,
resultCoordinatorParameter,
indexMapParameter)
.Inject(shapedQueryExpression.ShaperExpression);
shaper = InjectEntityMaterializers(shaper);
shaper = new RelationalProjectionBindingRemovingExpressionVisitor(selectExpression, dataReaderParameter)
.Visit(shaper);
shaper = new CustomShaperCompilingExpressionVisitor(
dataReaderParameter, resultCoordinatorParameter, IsTracking)
.Visit(shaper);
if (selectExpression.IsNonComposedFromSql())
{
shaper = new IndexMapInjectingExpressionVisitor(indexMapParameter).Visit(shaper);
}
var shaperLambda = (LambdaExpression)shaper;
return(Expression.New(
(IsAsync
? typeof(AsyncQueryingEnumerable <>)
: typeof(QueryingEnumerable <>)).MakeGenericType(shaperLambda.ReturnType).GetConstructors()[0],
Expression.Convert(QueryCompilationContext.QueryContextParameter, typeof(RelationalQueryContext)),
Expression.Constant(RelationalDependencies.QuerySqlGeneratorFactory),
Expression.Constant(RelationalDependencies.SqlExpressionFactory),
Expression.Constant(RelationalDependencies.ParameterNameGeneratorFactory),
Expression.Constant(selectExpression),
Expression.Constant(shaperLambda.Compile()),
Expression.Constant(_contextType),
Expression.Constant(_logger)));
}
