OpenEdge Data Management: DataServer for Microsoft SQL Server

Chapter 7: The DataServer Tutorial
Note: Starting in OpenEdge Release 10.1B, the default PROGRESS_RECID recognizes
an INT64 value for a MS SQL Server DataServer. The unique key value in the
PROGRESS_RECID will be derived by default from a 64-bit value. (For prior
releases, the value was derived, by default, from the 32-bit INTEGER.)
To modify a table to support the ROWID function:
1. Perform these tasks:
a. Add a column of the integer data type named PROGRESS_RECID. The new
column must be able to contain null, as shown:
alter table table
add PROGRESS_RECID integer null
b. Add a column with identity characteristics named PROGRESS_RECID_IDENT_.
The new column must have the integer data type, as shown:
alter table table
add PROGRESS_RECID_IDENT_
integer identity
2. Create a trigger to maintain the PROGRESS_RECID column:
create trigger _TI_table ON table for insert as
RAISERROR ('PSC-init',0,1)
SET XACT_ABORT ON
SET LOCK_TIMEOUT -1
if ( select PROGRESS_RECID from inserted) is NULL
begin
update t set PROGRESS_RECID = i.IDENTITYCOL
from customer t JOIN inserted i ON
t.PROGRESS_RECID_IDENT_ = i.PROGRESS_RECID_IDENT_
select convert (bigint, @@identity)
end
SET XACT_ABORT OFF
3. Create a non-unique index for the PROGRESS_RECID and a unique index for the
PROGRESS_RECID_IDENT, respectively:
create index #_#progress_recid on (PROGRESS_RECID)
create unique index #_#progress_recid_ident_on
(PROGRESS_RECID_IDENT_)
314 OpenEdge Data Management: DataServer for Microsoft SQL Server