Subject | RE: [IB-Architect] Next ODS change / RLE Encryption |
---|---|
Author | David Berg |
Post date | 2000-11-16T17:04:42Z |
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
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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
-----BEGIN PGP SIGNED MESSAGE-----
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.
>
>-----BEGIN PGP SIGNATURE-----
> Dave
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