Subject RE: [IB-Architect] SQL_INT64 and SQL_QUAD
Author David Schnepper
Dalton is correct.

Jim -- this is a carryforward from ISC_QUAD and dtype_int_64

There was an earlier attempt to implement 64 bit integers, using the
ISC_QUAD
datatype. ISC_QUAD is also used for BlobIDs, etc, and thus is a public
datatype. (Around 1994?)

When Chris Jewell did the 64 bit integer implementation for v6.0, initially
we were using dtype_quad, but when it became obvious how the semantics
changed, and the external representation wasn't appropriate, we made a new
datatype so we wouldn't break any existing programs, and would not have
any legacy code inside IB that thought it new how to work with "isc_quad"
but was incorrect for int64.

Dave

-----Original Message-----
From: Dalton Calford [mailto:dcalford@...]
Sent: Tuesday, May 09, 2000 1:27 PM
To: IB-Architect@egroups.com
Subject: Re: [IB-Architect] SQL_INT64 and SQL_QUAD


Signed and Unsigned?
SQL_QUAD = legacy and INT64 being new was my assumptions (which are
probly wrong)

best regards

Dalton

Jim Starkey wrote:
>
> Can somebody explain the difference between SQL_INT64 and
> SQL_QUAD?
>
> Jim Starkey
>
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