--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Data/DataProvider/InformixDataProvider.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,159 @@
+using System;
+using System.Data;
+using System.Data.Common;
+using System.Globalization;
+using System.Threading;
+
+using IBM.Data.Informix;
+
+namespace BLToolkit.Data.DataProvider
+{
+	using Sql.SqlProvider;
+
+	public class InformixDataProvider :  DataProviderBase
+	{
+		public override IDbConnection CreateConnectionObject () { return new IfxConnection      (); }
+		public override DbDataAdapter CreateDataAdapterObject() { return new IfxDataAdapter     (); }
+		public override ISqlProvider  CreateSqlProvider      () { return new InformixSqlProvider(); }
+
+		public override Type   ConnectionType { get { return typeof(IfxConnection);              } }
+		public override string Name           { get { return DataProvider.ProviderName.Informix; } }
+
+		public override bool DeriveParameters(IDbCommand command)
+		{
+			if (command is IfxCommand)
+			{
+				IfxCommandBuilder.DeriveParameters((IfxCommand)command);
+				return true;
+			}
+
+			return false;
+		}
+
+		public override object Convert(object value, ConvertType convertType)
+		{
+			switch (convertType)
+			{
+				case ConvertType.ExceptionToErrorNumber:
+					if (value is IfxException)
+					{
+						var ex = (IfxException)value;
+
+						foreach (IfxError error in ex.Errors)
+							return error.NativeError;
+
+						return 0;
+					}
+
+					break;
+			}
+
+			return SqlProvider.Convert(value, convertType);
+		}
+
+		public override void PrepareCommand(ref CommandType commandType, ref string commandText, ref IDbDataParameter[] commandParameters)
+		{
+			base.PrepareCommand(ref commandType, ref commandText, ref commandParameters);
+
+			if (commandParameters != null) foreach (var p in commandParameters)
+			{
+				if (p.Value is Guid)
+				{
+					var value = p.Value.ToString();
+					p.DbType = DbType.AnsiStringFixedLength;
+					p.Value  = value;
+					p.Size   = value.Length;
+				}
+				else if (p.Value is bool)
+				{
+					p.Value = ((InformixSqlProvider)SqlProvider).ConvertBooleanValue((bool)p.Value);
+				}
+				//else if (p.DbType == DbType.Binary)
+				//{
+				//	var ip = (IfxParameter)p;
+
+				//	ip.IfxType = IfxType.Blob;
+				//}
+			}
+		}
+
+		/*
+		public override int ExecuteArray(IDbCommand command, int iterations)
+		{
+			var cmd = (IfxCommand)command;
+			try
+			{
+				cmd.ArrayBindCount = iterations;
+				return cmd.ExecuteNonQuery();
+			}
+			finally
+			{
+				cmd.ArrayBindCount = 0;
+			}
+		}
+		*/
+
+		#region GetDataReader
+
+		public override IDataReader GetDataReader(Mapping.MappingSchema schema, IDataReader dataReader)
+		{
+			return dataReader is IfxDataReader?
+				new InformixDataReaderEx((IfxDataReader)dataReader):
+				base.GetDataReader(schema, dataReader);
+		}
+
+		class InformixDataReaderEx : DataReaderBase<IfxDataReader>, IDataReader
+		{
+			public InformixDataReaderEx(IfxDataReader rd): base(rd)
+			{
+			}
+
+			public new float GetFloat(int i)
+			{
+				var current = Thread.CurrentThread.CurrentCulture;
+
+				if (Thread.CurrentThread.CurrentCulture != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
+
+				var value = DataReader.GetFloat(i);
+
+				if (current != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = current;
+
+				return value;
+			}
+
+			public new double GetDouble(int i)
+			{
+				var current = Thread.CurrentThread.CurrentCulture;
+
+				if (Thread.CurrentThread.CurrentCulture != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
+
+				var value = DataReader.GetDouble(i);
+
+				if (current != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = current;
+
+				return value;
+			}
+
+			public new decimal GetDecimal(int i)
+			{
+				var current = Thread.CurrentThread.CurrentCulture;
+
+				if (Thread.CurrentThread.CurrentCulture != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
+
+				var value = DataReader.GetDecimal     (i);
+
+				if (current != CultureInfo.InvariantCulture)
+					Thread.CurrentThread.CurrentCulture = current;
+
+				return value;
+			}
+		}
+
+		#endregion
+	}
+}