--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Data/Linq/Builder/BuildInfo.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,50 @@
+using System;
+using System.Linq.Expressions;
+
+namespace BLToolkit.Data.Linq.Builder
+{
+	using Data.Sql;
+
+	public class BuildInfo
+	{
+		public BuildInfo(IBuildContext parent, Expression expression, SqlQuery sqlQuery)
+		{
+			Parent     = parent;
+			Expression = expression;
+			SqlQuery   = sqlQuery;
+		}
+
+		public BuildInfo(BuildInfo buildInfo, Expression expression)
+			: this(buildInfo.Parent, expression, buildInfo.SqlQuery)
+		{
+			SequenceInfo = buildInfo;
+		}
+
+		public BuildInfo(BuildInfo buildInfo, Expression expression, SqlQuery sqlQuery)
+			: this(buildInfo.Parent, expression, sqlQuery)
+		{
+			SequenceInfo = buildInfo;
+		}
+
+		public BuildInfo     SequenceInfo { get; set; }
+		public IBuildContext Parent       { get; set; }
+		public Expression    Expression   { get; set; }
+		public SqlQuery      SqlQuery     { get; set; }
+		public bool          CopyTable    { get; set; }
+
+		public bool          IsSubQuery   { get { return Parent != null; } }
+
+		private bool _isAssociationBuilt;
+		public  bool  IsAssociationBuilt
+		{
+			get { return _isAssociationBuilt; }
+			set
+			{
+				_isAssociationBuilt = value;
+
+				if (SequenceInfo != null)
+					SequenceInfo.IsAssociationBuilt = value;
+			}
+		}
+	}
+}