diff --git a/org.adempiere.base/src/org/compiere/model/GridTab.java b/org.adempiere.base/src/org/compiere/model/GridTab.java
index 52fe5abc7d..2c46d271fe 100644
--- a/org.adempiere.base/src/org/compiere/model/GridTab.java
+++ b/org.adempiere.base/src/org/compiere/model/GridTab.java
@@ -1312,9 +1312,8 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 	public void setLinkColumnName (String linkColumnName)
 	{
 		// set parent column name
-		String sql = "SELECT ColumnName FROM AD_Column WHERE AD_Column_ID=?";
 		if (m_vo.Parent_Column_ID > 0)
-			m_parentColumnName = DB.getSQLValueString(null, sql, m_vo.Parent_Column_ID );
+			m_parentColumnName = MColumn.getColumnName(m_vo.ctx, m_vo.Parent_Column_ID);
 		if ( m_parentColumnName == null )
 			m_parentColumnName = "";
 
@@ -1329,27 +1328,7 @@ public class GridTab implements DataStatusListener, Evaluatee, Serializable
 			//	we have a link column identified (primary parent column)
 			else
 			{
-				String SQL = "SELECT ColumnName FROM AD_Column WHERE AD_Column_ID=?";
-				PreparedStatement pstmt = null;
-				ResultSet rs = null;
-				try
-				{
-					pstmt = DB.prepareStatement(SQL, null);
-					pstmt.setInt(1, m_vo.AD_Column_ID);		//	Parent Link Column
-					rs = pstmt.executeQuery();
-					if (rs.next())
-						m_linkColumnName = rs.getString(1);
-				}
-				catch (SQLException e)
-				{
-					log.log(Level.SEVERE, "", e);
-				}
-				finally
-				{
-					DB.close(rs, pstmt);
-					rs = null;
-					pstmt = null;
-				}
+				m_linkColumnName = MColumn.getColumnName(m_vo.ctx, m_vo.AD_Column_ID);		//	Parent Link Column
 				if (log.isLoggable(Level.FINE)) log.fine("AD_Column_ID=" + m_vo.AD_Column_ID + " - " + m_linkColumnName);
 			}
 		}
diff --git a/org.adempiere.base/src/org/compiere/model/MLookupFactory.java b/org.adempiere.base/src/org/compiere/model/MLookupFactory.java
index 9550277d12..d1ed854738 100644
--- a/org.adempiere.base/src/org/compiere/model/MLookupFactory.java
+++ b/org.adempiere.base/src/org/compiere/model/MLookupFactory.java
@@ -91,42 +91,18 @@ public class MLookupFactory
 	
 	public static MLookupInfo getLookupInfo(Properties ctx, int WindowNo, int TabNo, int Column_ID, int AD_Reference_ID)
 	{
-		String ColumnName = "";
-		int AD_Reference_Value_ID = 0;
-		boolean IsParent = false;
+		MColumn column = MColumn.get(ctx, Column_ID);
+		if (column.get_ID() == 0)
+			s_log.log(Level.SEVERE, "Column Not Found - AD_Column_ID=" + Column_ID);
+
+		String ColumnName = column.getColumnName();
+		int AD_Reference_Value_ID = column.getAD_Reference_Value_ID();
+		boolean IsParent = column.isParent();
 		String ValidationCode = "";
-		//
-		String sql = "SELECT c.ColumnName, c.AD_Reference_Value_ID, c.IsParent, vr.Code "
-			+ "FROM AD_Column c"
-			+ " LEFT OUTER JOIN AD_Val_Rule vr ON (c.AD_Val_Rule_ID=vr.AD_Val_Rule_ID) "
-			+ "WHERE c.AD_Column_ID=?";
-		PreparedStatement pstmt = null;
-		ResultSet rs = null;
-		try
-		{
-			pstmt = DB.prepareStatement(sql, null);
-			pstmt.setInt(1, Column_ID);
-			//
-			rs = pstmt.executeQuery();
-			if (rs.next())
-			{
-				ColumnName = rs.getString(1);
-				AD_Reference_Value_ID = rs.getInt(2);
-				IsParent = "Y".equals(rs.getString(3));
-				ValidationCode = rs.getString(4);
-			}
-			else
-				s_log.log(Level.SEVERE, "Column Not Found - AD_Column_ID=" + Column_ID);
-		}
-		catch (SQLException ex)
-		{
-			s_log.log(Level.SEVERE, "create", ex);
-		}
-		finally
-		{
-			DB.close(rs, pstmt);
-			rs = null;
-			pstmt = null;
+
+		if (column.getAD_Val_Rule_ID() > 0) {
+			MValRule valRule = MValRule.get(ctx, column.getAD_Val_Rule_ID());
+			ValidationCode = valRule.getCode();
 		}
 		//
 		MLookupInfo info = getLookupInfo (ctx, WindowNo, TabNo, Column_ID, AD_Reference_ID,
@@ -993,41 +969,12 @@ public class MLookupFactory
 	}	//  getLookup_TableDirEmbed
 
 	private static ArrayList<LookupDisplayColumn> getListIdentifiers(String TableName) {
-		//	get display column name (first identifier column)
-		String sql = "SELECT c.ColumnName,c.IsTranslated,c.AD_Reference_ID,c.AD_Reference_Value_ID "
-			+ ", c.ColumnSQL " // 5
-			+ "FROM AD_Table t INNER JOIN AD_Column c ON (t.AD_Table_ID=c.AD_Table_ID) "
-			+ "WHERE TableName=?"
-			+ " AND c.IsIdentifier='Y' "
-			+ "ORDER BY c.SeqNo";
-		//
 		ArrayList<LookupDisplayColumn> list = new ArrayList<LookupDisplayColumn>();
-		//
-		PreparedStatement pstmt = null;
-		ResultSet rs = null;
-		try
-		{
-			pstmt = DB.prepareStatement(sql, null);
-			pstmt.setString(1, TableName);
-			rs = pstmt.executeQuery();
-			while (rs.next())
-			{
-				LookupDisplayColumn ldc = new LookupDisplayColumn (rs.getString(1),
-					rs.getString(5),
-					"Y".equals(rs.getString(2)), rs.getInt(3), rs.getInt(4));
-				list.add (ldc);
-			}
-		}
-		catch (SQLException e)
-		{
-			s_log.log(Level.SEVERE, sql, e);
-			return null;
-		}
-		finally
-		{
-			DB.close(rs, pstmt);
-			rs = null;
-			pstmt = null;
+		MTable table = MTable.get(Env.getCtx(), TableName);
+		for (String idColumnName : table.getIdentifierColumns()) {
+			MColumn column = table.getColumn(idColumnName);
+			LookupDisplayColumn ldc = new LookupDisplayColumn(column.getColumnName(), column.getColumnSQL(), column.isTranslated(), column.getAD_Reference_ID(), column.getAD_Reference_Value_ID());
+			list.add (ldc);
 		}
 		return list;
 	}
diff --git a/org.adempiere.base/src/org/compiere/model/MTable.java b/org.adempiere.base/src/org/compiere/model/MTable.java
index c00c8b031c..74a01516cd 100644
--- a/org.adempiere.base/src/org/compiere/model/MTable.java
+++ b/org.adempiere.base/src/org/compiere/model/MTable.java
@@ -20,6 +20,8 @@ package org.compiere.model;
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
@@ -33,6 +35,7 @@ import org.adempiere.model.GenericPO;
 import org.compiere.util.CCache;
 import org.compiere.util.CLogger;
 import org.compiere.util.DB;
+import org.compiere.util.KeyNamePair;
 
 /**
  *	Persistent Table Model
@@ -356,19 +359,26 @@ public class MTable extends X_AD_Table
 	 * 	Get Identifier Columns of Table
 	 *	@return Identifier columns
 	 */
-	public String[] getIdentifierColumns()
-	{
-		getColumns(false);
-		ArrayList<String> list = new ArrayList<String>();
-		//
-		for (int i = 0; i < m_columns.length; i++)
-		{
-			MColumn column = m_columns[i];
+	public String[] getIdentifierColumns() {
+		ArrayList<KeyNamePair> listkn = new ArrayList<KeyNamePair>();
+		for (MColumn column : getColumns(false)) {
 			if (column.isIdentifier())
-				list.add(column.getColumnName());
+				listkn.add(new KeyNamePair(column.getSeqNo(), column.getColumnName()));
+		}
+		// Order by SeqNo
+		Collections.sort(listkn, new Comparator<KeyNamePair>(){
+			public int compare(KeyNamePair s1,KeyNamePair s2){
+				if (s1.getKey() < s2.getKey())
+					return -1;
+				else if (s1.getKey() > s2.getKey())
+					return 1;
+				else
+					return 0;
+			}});
+		String[] retValue = new String[listkn.size()];
+		for (int i = 0; i < listkn.size(); i++) {
+			retValue[i] = listkn.get(i).getName();
 		}
-		String[] retValue = new String[list.size()];
-		retValue = list.toArray(retValue);
 		return retValue;
 	}	//	getIdentifierColumns
 
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditorPopupMenu.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditorPopupMenu.java
index 9457e4117a..265c6b05ea 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditorPopupMenu.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WEditorPopupMenu.java
@@ -27,6 +27,8 @@ import org.adempiere.webui.window.WFieldSuggestion;
 import org.compiere.model.GridField;
 import org.compiere.model.Lookup;
 import org.compiere.model.MRole;
+import org.compiere.model.MTable;
+import org.compiere.model.MZoomCondition;
 import org.compiere.util.DB;
 import org.compiere.util.Env;
 import org.compiere.util.Msg;
@@ -134,16 +136,14 @@ public class WEditorPopupMenu extends Menupopup implements EventListener<Event>
     	    	this.updateEnabled = false;
 
     			// check possible zoom conditions to enable back zoom
-    			for (int zoomCondWinID : 
-    				DB.getIDsEx(null, 
-    						"SELECT AD_Window_ID FROM AD_ZoomCondition WHERE IsActive='Y' AND AD_Table_ID IN (SELECT AD_Table_ID FROM AD_Table WHERE TableName=?)",
-    						tableName)) {
-    	    		Boolean canAccessZoom = MRole.getDefault().getWindowAccess(zoomCondWinID);
+    	    	MTable table = MTable.get(Env.getCtx(), tableName);
+    	    	for (MZoomCondition zoomCondition : MZoomCondition.getConditions(table.getAD_Table_ID())) {
+    	    		Boolean canAccessZoom = MRole.getDefault().getWindowAccess(zoomCondition.getAD_Window_ID());
     	    		if (canAccessZoom != null && canAccessZoom) {
     	    	    	this.zoomEnabled = true;
     	    			break;
     	    		}
-    			}
+    	    	}
     		} else {
     			int cnt = DB.getSQLValueEx(null,
     					"SELECT COUNT(*) "