Subject RE: [IB-Architect] Next ODS change / RLE Encryption
Author David Berg
I don't know the answer to (a), but I assumed that the answer to (a) would
also suffice as the answer to (b).

-----Original Message-----
From: Olivier Mascia [mailto:om@...]
Sent: Wednesday, November 15, 2000 2:40 AM
To: IB-Architect@egroups.com
Subject: Re: [IB-Architect] Next ODS change / RLE Encryption



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How does the character codes >= 128 fit into all this ?

a) Into the current CHAR/VARCHAR storage solution
b) Into your proposal ?

Olivier.

- ----- Original Message -----
From: "David Berg" <DaveBerg@...>
To: <IB-Architect@egroups.com>
Sent: Wednesday, November 15, 2000 4:14 AM
Subject: RE: [IB-Architect] Next ODS change / RLE Encryption


> There's an easy change to RLE encoding that would increase
> compression substantially for long string values.
>
> Use 0 to 128 to mean the character value.
> Use -2 to -128 to mean a repeat count followed by a character.
> Use -1 to mean that the next two bytes are a repeat count followed
> by a character.
>
....
>
> Dave

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