diff -r 000000000000 -r 08ec8eefde2f persistentstorage/dbms/udbms/UD_COMP.CPP
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/dbms/udbms/UD_COMP.CPP	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,161 @@
+// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// implementation for d32comp.h
+// 
+//
+
+#include "UD_STD.H"
+#include "D32COMP.H"
+
+const TInt KCompareBufSize=0x200;	// 0.5K
+
+// class Comp
+
+TInt Comp::Compare(TReal32 aLeft,TReal32 aRight) __SOFTFP
+	{
+	return aLeft<aRight ? -1 : aLeft!=aRight;
+	}
+
+TInt Comp::Compare(TReal64 aLeft,TReal64 aRight) __SOFTFP
+	{
+	return aLeft<aRight ? -1 : aLeft!=aRight;
+	}
+
+TInt Comp::Compare(const TInt64& aLeft,const TInt64& aRight)
+	{
+	return aLeft<aRight ? -1 : aLeft!=aRight;
+	}
+
+TInt Comp::Compare8L(MStreamBuf& aBufL,MStreamBuf& aBufR,TInt aSize,const TTextOps& aTextOp)
+	{
+	const TInt KCompareBufLength=KCompareBufSize/sizeof(TText8);
+	RReadStream left(&aBufL);
+	RReadStream right(&aBufR);
+	TText8 bufL[KCompareBufLength];
+	TText8 bufR[KCompareBufLength];
+	TInt read=KCompareBufLength;
+	do
+		{
+		if (aSize<=read)
+			read=aSize;
+		left.ReadL(bufL,read);
+		right.ReadL(bufR,read);
+		TInt r=aTextOp.Compare(bufL,read,bufR,read);
+		if (r!=0)
+			return r;
+		aSize-=KCompareBufLength;
+		} while (aSize>0);
+	return 0;
+	}
+
+TInt Comp::Compare8L(MStreamBuf& aBuf,const TText8* aPtr,TInt aSize,const TTextOps& aTextOp)
+	{
+	const TInt KCompareBufLength=KCompareBufSize/sizeof(TText8);
+	RReadStream strm(&aBuf);
+	TText8 buf[KCompareBufLength];
+	TInt read=KCompareBufLength;
+	do
+		{
+		if (aSize<read)
+			read=aSize;
+		strm.ReadL(buf,read);
+		TInt r=aTextOp.Compare(buf,read,aPtr,read);
+		if (r!=0)
+			return r;
+		aPtr+=KCompareBufLength;
+		aSize-=KCompareBufLength;
+		} while (aSize>0);
+	return 0;
+	}
+
+TInt Comp::Compare8L(MStreamBuf& aBuf,TInt aSize,const TDesC8& aDes,const TTextOps& aTextOp)
+	{
+	const TText8* ptr=aDes.Ptr();
+	TInt size=aDes.Length();
+	TInt r=Compare8L(aBuf,ptr,Min(size,aSize),aTextOp);
+	return r ? r : aSize-size;
+	}
+
+TInt Comp::Compare16L(MStreamBuf& aBufL,MStreamBuf& aBufR,TInt aSize,const TTextOps& aTextOp)
+	{
+	aSize >>= 1;
+	const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
+	RReadStream left(&aBufL);
+	RReadStream right(&aBufR);
+	TText16 bufL[KCompareBufLength];
+	TText16 bufR[KCompareBufLength];
+	TInt read=KCompareBufLength;
+	do
+		{
+		if (aSize<=read)
+			read=aSize;
+		left.ReadL(bufL,read);
+		right.ReadL(bufR,read);
+		TInt r=aTextOp.Order(bufL,read,bufR,read);
+		if (r!=0)
+			return r;
+		aSize-=KCompareBufLength;
+		} while (aSize>0);
+	return 0;
+	}
+
+TInt Comp::Compare16L(MStreamBuf& aBuf,const TText16* aPtr,TInt aSize,const TTextOps& aTextOp)
+	{
+	aSize >>= 1;
+	const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
+	RReadStream strm(&aBuf);
+	TText16 buf[KCompareBufLength];
+	TInt read=KCompareBufLength;
+	do
+		{
+		if (aSize<read)
+			read=aSize;
+		strm.ReadL(buf,read);
+		TInt r=aTextOp.Order(buf,read,aPtr,read);
+		if (r!=0)
+			return r;
+		aPtr+=KCompareBufLength;
+		aSize-=KCompareBufLength;
+		} while (aSize>0);
+	return 0;
+	}
+
+static TInt DoCompare16L(MStreamBuf& aBuf,const TText16* aPtr,TInt aLen,const TTextOps& aTextOp)
+	{
+	const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
+	RReadStream strm(&aBuf);
+	TText16 buf[KCompareBufLength];
+	TInt read=KCompareBufLength;
+	do
+		{
+		if (aLen<read)
+			read=aLen;
+		strm.ReadL(buf,read);
+		TInt r=aTextOp.Compare(buf,read,aPtr,read);
+		if (r!=0)
+			return r;
+		aPtr+=KCompareBufLength;
+		aLen-=KCompareBufLength;
+		} while (aLen>0);
+	return 0;
+	}
+	
+TInt Comp::Compare16L(MStreamBuf& aBuf,TInt aSize,const TDesC16& aDes,const TTextOps& aTextOp)
+	{
+	const TText16* ptr=aDes.Ptr();
+	TInt size=aDes.Length()<<1;
+	TInt r=::DoCompare16L(aBuf,ptr,Min(size,aSize)>>1,aTextOp);
+	return r ? r : aSize-size;
+	}
+