protected override Expression VisitEntityQueryable(Type elementType)
{
var relationalQueryCompilationContext = ((RelationalQueryCompilationContext)QueryCompilationContext);
var queryMethodInfo = relationalQueryCompilationContext.EnumerableMethodProvider.QueryValues;
var entityType = QueryCompilationContext.Model.GetEntityType(elementType);
var selectExpression
= new SelectExpression(elementType)
{
TableSource = entityType.StorageName
};
_queryModelVisitor._queriesBySource.Add(_querySource, selectExpression);
if (_queryModelVisitor.QuerySourceRequiresMaterialization(_querySource))
{
foreach (var property in entityType.Properties)
{
selectExpression.AddToProjection(property);
}
queryMethodInfo
= relationalQueryCompilationContext.EnumerableMethodProvider.QueryEntities
.MakeGenericMethod(elementType);
}
return(Expression.Call(
queryMethodInfo,
QueryContextParameter,
Expression.Constant(new CommandBuilder(selectExpression, relationalQueryCompilationContext))));
}
protected override Expression VisitEntityQueryable(Type elementType)
{
var relationalQueryCompilationContext = ((RelationalQueryCompilationContext)QueryCompilationContext);
var queryMethodInfo = CreateValueReaderMethodInfo;
var entityType = QueryCompilationContext.Model.GetEntityType(elementType);
var selectExpression = new SelectExpression();
var tableName = entityType.TableName();
selectExpression
.AddTable(
new TableExpression(
tableName,
entityType.Schema(),
_querySource.ItemName.StartsWith("<generated>_")
? tableName.First().ToString().ToLower()
: _querySource.ItemName,
_querySource));
_queryModelVisitor._queriesBySource.Add(_querySource, selectExpression);
var queryMethodArguments
= new List <Expression>
{
Expression.Constant(_querySource),
QueryContextParameter,
QuerySourceScopeParameter,
_readerParameter
};
if (_queryModelVisitor.QuerySourceRequiresMaterialization(_querySource))
{
foreach (var property in entityType.Properties)
{
selectExpression.AddToProjection(property, _querySource);
}
queryMethodInfo = CreateEntityMethodInfo.MakeGenericMethod(elementType);
queryMethodArguments.Add(Expression.Constant(0));
}
return(Expression.Call(
relationalQueryCompilationContext.QueryMethodProvider.QueryMethod
.MakeGenericMethod(queryMethodInfo.ReturnType),
QueryContextParameter,
Expression.Constant(new CommandBuilder(selectExpression, relationalQueryCompilationContext)),
Expression.Lambda(
Expression.Call(queryMethodInfo, queryMethodArguments),
_readerParameter)));
}
protected override Expression VisitEntityQueryable(Type elementType)
{
var queryMethodInfo = _queryModelVisitor._enumerableMethodProvider.QueryValues;
var entityType = QueryCompilationContext.Model.GetEntityType(elementType);
var entityQuery = new SqlSelect().SetTableSource(entityType.StorageName);
_queryModelVisitor._queriesBySource.Add(_querySource, entityQuery);
if (_queryModelVisitor.QuerySourceRequiresMaterialization(_querySource))
{
foreach (var property in entityType.Properties)
{
entityQuery.AddToProjection(property);
}
queryMethodInfo
= _queryModelVisitor._enumerableMethodProvider.QueryEntities
.MakeGenericMethod(elementType);
}
return(Expression.Call(
queryMethodInfo, QueryContextParameter, Expression.Constant(entityQuery)));
}