protected override Expression VisitMember(MemberExpression node)
{
if (!_translateToSql)
{
var sqlExpression = _selectExpression.GetProjectionForMemberInfo(node.Member);
if (sqlExpression != null)
{
return(BindSqlToValueBuffer(sqlExpression, node.Type));
}
if (node.Member.Name == KeyName &&
node.Expression.TryGetReferencedQuerySource() == _groupQuerySource)
{
var querySourceFinder = new QuerySourceFindingExpressionVisitor();
querySourceFinder.Visit(_keySelector);
var currentParameter = _queryModelVisitor.CurrentParameter;
foreach (var querySource in querySourceFinder.QuerySources)
{
_queryModelVisitor.QueryCompilationContext.AddOrUpdateMapping(
querySource,
currentParameter);
}
return(_projectionExpressionVisitor.Visit(_keySelector));
}
}
return(base.VisitMember(node));
}
protected override Expression VisitMember(MemberExpression memberExpression)
{
if (!_translateToSql)
{
// For composite Key case, projection member info will be already populated
var sqlExpression = _selectExpression.GetProjectionForMemberInfo(memberExpression.Member);
if (sqlExpression != null)
{
return(BindSqlToValueBuffer(sqlExpression, memberExpression.Type));
}
if (memberExpression.Member.Name == KeyName &&
memberExpression.Expression.TryGetReferencedQuerySource() == _groupQuerySource)
{
var querySourceFinder = new QuerySourceFindingExpressionVisitor();
querySourceFinder.Visit(_keySelector);
var currentParameter = _queryModelVisitor.CurrentParameter;
foreach (var querySource in querySourceFinder.QuerySources)
{
_queryModelVisitor.QueryCompilationContext.AddOrUpdateMapping(
querySource,
currentParameter);
}
sqlExpression = _projectionExpressionVisitor.Visit(_keySelector);
_sqlMapping[memberExpression] = sqlExpression;
return(sqlExpression);
}
}
return(base.VisitMember(memberExpression));
}