diff --git a/core/attributedef.class.inc.php b/core/attributedef.class.inc.php
index 7ab6646a8..e282b43e3 100644
--- a/core/attributedef.class.inc.php
+++ b/core/attributedef.class.inc.php
@@ -742,7 +742,7 @@ abstract class AttributeDefinition
 	 *
 	 * @return mixed a value out of suffix/value pairs, for SELECT result interpretation
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		return null;
 	}
@@ -2402,9 +2402,9 @@ class AttributeDBFieldVoid extends AttributeDefinition
 		return $aColumns;
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
-		$value = $this->MakeRealValue($aCols[$sPrefix.''], null);
+		$value = $this->MakeRealValue($aCols[$sPrefix.''], $oHostObject);
 
 		return $value;
 	}
@@ -3913,7 +3913,7 @@ class AttributeEncryptedString extends AttributeString
 	 * @return string
 	 * @throws \Exception
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$oSimpleCrypt = new SimpleCrypt(self::$sLibrary);
 		$sValue = $oSimpleCrypt->Decrypt(self::$sKey, $aCols[$sPrefix]);
@@ -4283,7 +4283,7 @@ class AttributeText extends AttributeString
 	 *
 	 * @return string
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$value = $aCols[$sPrefix.''];
 		if ($this->GetOptional('format', null) != null)
@@ -4577,7 +4577,7 @@ class AttributeCaseLog extends AttributeLongText
 	 * @return \ormCaseLog
 	 * @throws \MissingColumnException
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		if (!array_key_exists($sPrefix, $aCols))
 		{
@@ -7378,18 +7378,18 @@ class AttributeExternalField extends AttributeDefinition
 	//public function GetSQLExpressions($sPrefix = '') {return array();}
 
 	// Here, we get the data...
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$oExtAttDef = $this->GetExtAttDef();
 
-		return $oExtAttDef->FromSQLToValue($aCols, $sPrefix);
+		return $oExtAttDef->FromSQLToValue($aCols, $sPrefix, $oHostObject, $sHostAttCode);
 	}
 
 	public function GetAsHTML($value, $oHostObject = null, $bLocalize = true)
 	{
 		$oExtAttDef = $this->GetExtAttDef();
 
-		return $oExtAttDef->GetAsHTML($value, null, $bLocalize);
+		return $oExtAttDef->GetAsHTML($value, $oHostObject, $bLocalize);
 	}
 
 	public function GetAsXML($value, $oHostObject = null, $bLocalize = true)
@@ -7645,6 +7645,10 @@ class AttributeBlob extends AttributeDefinition
 
 		if (is_object($proposedValue))
 		{
+			if (!$proposedValue instanceof ormDocument)
+			{
+				throw new Exception(__METHOD__.": unexpected class ".get_class($proposedValue));
+			}
 			$proposedValue = clone $proposedValue;
 		}
 		else
@@ -7661,6 +7665,7 @@ class AttributeBlob extends AttributeDefinition
 			}
 		}
 
+		$proposedValue->SetHostObject($oHostObj, $this->GetCode());
 		return $proposedValue;
 	}
 
@@ -7679,7 +7684,7 @@ class AttributeBlob extends AttributeDefinition
 		return $aColumns;
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		if (!array_key_exists($sPrefix, $aCols))
 		{
@@ -7703,7 +7708,7 @@ class AttributeBlob extends AttributeDefinition
 		$sFileName = isset($aCols[$sPrefix.'_filename']) ? $aCols[$sPrefix.'_filename'] : '';
 
 		$value = new ormDocument($data, $sMimeType, $sFileName);
-
+		$value->SetHostObject($oHostObject, $sHostAttCode);
 		return $value;
 	}
 
@@ -8219,7 +8224,7 @@ class AttributeStopWatch extends AttributeDefinition
 		return date("Y-m-d H:i:s", $iSeconds);
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$aExpectedCols = array($sPrefix, $sPrefix.'_started', $sPrefix.'_laststart', $sPrefix.'_stopped');
 		foreach($this->ListThresholds() as $iThreshold => $aFoo)
@@ -9056,7 +9061,7 @@ class AttributeSubItem extends AttributeDefinition
 	// 
 //	protected function ScalarToSQL($value) {return $value;} // format value as a valuable SQL literal (quoted outside)
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 	}
 
@@ -9274,7 +9279,7 @@ class AttributeOneWayPassword extends AttributeDefinition
 		return $aColumns;
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		if (!array_key_exists($sPrefix, $aCols))
 		{
@@ -9471,7 +9476,7 @@ class AttributeTable extends AttributeDBField
 		return $proposedValue;
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		try
 		{
@@ -9486,11 +9491,11 @@ class AttributeTable extends AttributeDBField
 			}
 			if ($value === false)
 			{
-				$value = $this->MakeRealValue($aCols[$sPrefix.''], null);
+				$value = $this->MakeRealValue($aCols[$sPrefix.''], $oHostObject);
 			}
 		} catch (Exception $e)
 		{
-			$value = $this->MakeRealValue($aCols[$sPrefix.''], null);
+			$value = $this->MakeRealValue($aCols[$sPrefix.''], $oHostObject);
 		}
 
 		return $value;
@@ -9885,11 +9890,11 @@ abstract class AttributeSet extends AttributeDBFieldVoid
 	 * @return mixed
 	 * @throws \Exception
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$sValue = $aCols["$sPrefix"];
 
-		return $this->MakeRealValue($sValue, null, true);
+		return $this->MakeRealValue($sValue, $oHostObject, true);
 	}
 
 	/**
@@ -11034,7 +11039,7 @@ class AttributeTagSet extends AttributeSet
 	 * @throws \CoreException
 	 * @throws \Exception
 	 */
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$sValue = $aCols["$sPrefix"];
 
@@ -11616,7 +11621,7 @@ class AttributeFriendlyName extends AttributeDefinition
 		return $sLabel;
 	}
 
-	public function FromSQLToValue($aCols, $sPrefix = '')
+	public function FromSQLToValue($aCols, $sPrefix = '', $oHostObject = null, $sHostAttCode = null)
 	{
 		$sValue = $aCols[$sPrefix];
 
diff --git a/core/dbobject.class.php b/core/dbobject.class.php
index 263592ca5..5263184c6 100644
--- a/core/dbobject.class.php
+++ b/core/dbobject.class.php
@@ -461,7 +461,7 @@ abstract class DBObject implements iDisplay
 
 				if (array_key_exists($sAttRef, $aRow))
 				{
-					$value = $oAttDef->FromSQLToValue($aRow, $sAttRef);
+					$value = $oAttDef->FromSQLToValue($aRow, $sAttRef, $this, $sAttCode);
 					$bIsDefined = true;
 				}
 			}
diff --git a/core/oql/expression.class.inc.php b/core/oql/expression.class.inc.php
index 8b2e43e27..25ac6de80 100644
--- a/core/oql/expression.class.inc.php
+++ b/core/oql/expression.class.inc.php
@@ -1643,6 +1643,35 @@ class FieldExpression extends UnaryExpression
 // Has been resolved into an SQL expression
 class FieldExpressionResolved extends FieldExpression
 {
+	protected $m_aAdditionalExpressions;
+
+	public function __construct($mExpression, $sParent = '')
+	{
+		$this->m_aAdditionalExpressions = array();
+		if (is_array($mExpression))
+		{
+			foreach ($mExpression as $sSuffix => $sExpression)
+			{
+				if ($sSuffix == '')
+				{
+					$sName = $sExpression;
+				}
+				$this->m_aAdditionalExpressions[$sSuffix] = new FieldExpressionResolved($sExpression, $sParent);
+			}
+		}
+		else
+		{
+			$sName = $mExpression;
+		}
+
+		parent::__construct($sName, $sParent);
+	}
+
+	public function AdditionalExpressions()
+	{
+		return $this->m_aAdditionalExpressions;
+	}
+
 	public function GetUnresolvedFields($sAlias, &$aUnresolved)
 	{
 	}
diff --git a/core/ormdocument.class.inc.php b/core/ormdocument.class.inc.php
index aa8b91eba..98fc02dd5 100644
--- a/core/ormdocument.class.inc.php
+++ b/core/ormdocument.class.inc.php
@@ -38,6 +38,8 @@ class ormDocument
 	protected $m_data;
 	protected $m_sMimeType;
 	protected $m_sFileName;
+	protected $m_oHostObject;
+	protected $m_sHostObjectAttcode;
 	
 	/**
 	 * Constructor
@@ -47,6 +49,15 @@ class ormDocument
 		$this->m_data = $data;
 		$this->m_sMimeType = $sMimeType;
 		$this->m_sFileName = $sFileName;
+
+		$this->m_oHostObject = null;
+		$this->m_sHostObjectAttcode = null;
+	}
+
+	public function SetHostObject(DBObject $oHostObject, $sAttCode)
+	{
+		$this->m_oHostObject = $oHostObject;
+		$this->m_sHostObjectAttcode = $sAttCode;
 	}
 
 	public function __toString()
@@ -138,6 +149,12 @@ class ormDocument
 	 */	 	 	
 	public function GetDownloadLink($sClass, $Id, $sAttCode)
 	{
+		if ($this->m_oHostObject)
+		{
+			$sClass = get_class($this->m_oHostObject);
+			$Id = $this->m_oHostObject->GetKey();
+			$sAttCode = $this->m_sHostObjectAttcode;
+		}
 		return "<a href=\"".utils::GetAbsoluteUrlAppRoot()."pages/ajax.document.php?operation=download_document&class=$sClass&id=$Id&field=$sAttCode\">".htmlentities($this->GetFileName(), ENT_QUOTES, 'UTF-8')."</a>\n";
 	}
 
@@ -147,6 +164,12 @@ class ormDocument
 	 */
 	public function GetDisplayURL($sClass, $Id, $sAttCode)
 	{
+		if ($this->m_oHostObject)
+		{
+			$sClass = get_class($this->m_oHostObject);
+			$Id = $this->m_oHostObject->GetKey();
+			$sAttCode = $this->m_sHostObjectAttcode;
+		}
 		// TODO: When refactoring this with the URLMaker system, mind to also change calls in the portal (look for the "p_object_document_display" route)
 		return utils::GetAbsoluteUrlAppRoot() . "pages/ajax.render.php?operation=display_document&class=$sClass&id=$Id&field=$sAttCode";
 	}
@@ -157,6 +180,12 @@ class ormDocument
 	 */
 	public function GetDownloadURL($sClass, $Id, $sAttCode)
 	{
+		if ($this->m_oHostObject)
+		{
+			$sClass = get_class($this->m_oHostObject);
+			$Id = $this->m_oHostObject->GetKey();
+			$sAttCode = $this->m_sHostObjectAttcode;
+		}
 		// Compute a signature to reset the cache anytime the data changes (this is acceptable if used only with icon files)
 		$sSignature = md5($this->GetData());
 		// TODO: When refactoring this with the URLMaker system, mind to also change calls in the portal (look for the "p_object_document_display" route)
diff --git a/core/querybuilderexpressions.class.inc.php b/core/querybuilderexpressions.class.inc.php
index 5f3aca1cf..c713610a8 100644
--- a/core/querybuilderexpressions.class.inc.php
+++ b/core/querybuilderexpressions.class.inc.php
@@ -178,6 +178,14 @@ class QueryBuilderExpressions
 		foreach ($this->m_aSelectExpr as $sColAlias => $oExpr)
 		{
 			$this->m_aSelectExpr[$sColAlias] = $oExpr->Translate($aTranslationData, $bMatchAll, $bMarkFieldsAsResolved);
+			if ($this->m_aSelectExpr[$sColAlias] instanceof FieldExpressionResolved)
+			{
+				// Split the field with the relevant alias
+				foreach ($this->m_aSelectExpr[$sColAlias]->AdditionalExpressions() as $sSuffix => $oAdditionalExpr)
+				{
+					$this->m_aSelectExpr[$sColAlias.$sSuffix] = $oAdditionalExpr->Translate($aTranslationData, $bMatchAll, $bMarkFieldsAsResolved);
+				}
+			}
 		}
 		if ($this->m_aGroupByExpr)
 		{
diff --git a/core/sqlobjectquerybuilder.class.inc.php b/core/sqlobjectquerybuilder.class.inc.php
index b1ecb1d43..4d85480ba 100644
--- a/core/sqlobjectquerybuilder.class.inc.php
+++ b/core/sqlobjectquerybuilder.class.inc.php
@@ -239,24 +239,16 @@ class SQLObjectQueryBuilder
 				continue;
 			}
 			$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
-			foreach ($oAttDef->GetSQLExpressions() as $sColId => $sSQLExpr)
+			$oFieldSQLExp = new FieldExpressionResolved($oAttDef->GetSQLExpressions(), $sClassAlias);
+			/**
+			 * @var string $sPluginClass
+			 * @var iQueryModifier $oQueryModifier
+			 */
+			foreach (MetaModel::EnumPlugins('iQueryModifier') as $sPluginClass => $oQueryModifier)
 			{
-				if (!empty($sColId))
-				{
-					// Multi column attributes
-					$oBuild->m_oQBExpressions->AddSelect($sSelectedClassAlias.$sAttCode.$sColId, new FieldExpression($sAttCode.$sColId, $sClassAlias));
-				}
-				$oFieldSQLExp = new FieldExpressionResolved($sSQLExpr, $sClassAlias);
-				/**
-				 * @var string $sPluginClass
-				 * @var iQueryModifier $oQueryModifier
-				 */
-				foreach (MetaModel::EnumPlugins('iQueryModifier') as $sPluginClass => $oQueryModifier)
-				{
-					$oFieldSQLExp = $oQueryModifier->GetFieldExpression($oBuild, $sClass, $sAttCode, $sColId, $oFieldSQLExp, $oBaseSQLQuery);
-				}
-				$aTranslation[$sClassAlias][$sAttCode.$sColId] = $oFieldSQLExp;
+				$oFieldSQLExp = $oQueryModifier->GetFieldExpression($oBuild, $sClass, $sAttCode, '', $oFieldSQLExp, $oBaseSQLQuery);
 			}
+			$aTranslation[$sClassAlias][$sAttCode] = $oFieldSQLExp;
 		}
 
 		// Translate the selected columns