Read Only Model via package protection and delegation

I have a model that I have made read only to most client code by use of package protection and delegation.
Changes are made to the model via a delegate inside the model's package (more precisely with a delegate that uses commands) .
I am unhappy about the design for two reasons, 1. it is annoying to always have keep the delegate up to date with changes to the model 2. the package is getting very big and I would like to start splitting the packages up into say subpackages (package protection does not work with subpackages does it?).
Does anyone have any suggestions how I could address these weaknesses in the design?
thanks

One way is to provide a copy to the client, the client could update their copy but only your copy would be the master.
This way the client would use the same classes you do.
Or you could generate the delegates from the model.

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R00KIE wrote:
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Read only query help

Hello,
I have read-only access to a database and I'm trying to perform a count on a decoded statement.
I cannot update, merge, create views, or delete at all.
example:
vdh.vin as VIN,
mcs.vehicle.veh_manuf_year@OCP5 as YEAR,
mcs.veh_make.veh_make_desc@OCP5 as MAKE,
vcbc.veh_model.veh_model_desc@OCP5 as MODEL,
vdh.created_timestamp as "TIMESTAMP",
max(to_char(decode(c.COMMAND_ID,'LT_FT_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) LF_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'RT_FT_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) RF_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'LT_RR_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) LR_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'RT_RR_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) RR_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'HIGH__PRESSURE_LIMIT',TRIM (TO_CHAR
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max(to_char(decode(c.COMMAND_ID,'LOW__PRESSURE_LIMIT',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) LO_LIMIT,
c.STATUS as STATUS,
dh.DTC_CODE as DTC_CODE,
dh.EXPLANATION_TEXT as DTC_EXPLANATION
from vdu.c2pt_data_history c, veh_diag_history vdh,
vdu.connected_veh_param cvp,
module_history mh, dtc_history dh,
mcs.vehicle@OCP5, mcs.veh_make@OCP5, vcbc.veh_model@OCP5,
vcbc.veh_manufacturer@OCP5
where ((c.VEH_DIAG_HISTORY_SAK = vdh.VEH_DIAG_HISTORY_SAK)
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and (dh.MODULE_HISTORY_SAK = mh.MODULE_HISTORY_SAK)
and (vdh.VEH_DIAG_HISTORY_SAK = mh.MODULE_HISTORY_SAK)
and (cvp.VEHICLE_SAK = vehicle.vehicle_sak@OCP5)
and (veh_make.veh_manuf@OCP5 = veh_model.veh_manuf@OCP5)
AND (veh_make.veh_make@OCP5 = veh_model.veh_make@OCP5)
AND (veh_manufacturer.veh_manuf@OCP5 = veh_model.veh_manuf@OCP5)
AND (veh_model.veh_manuf@OCP5 = vehicle.veh_manuf@OCP5)
AND (veh_model.veh_make@OCP5 = vehicle.veh_make@OCP5)
AND (veh_model.veh_model@OCP5 = vehicle.veh_model@OCP5)
AND (veh_model.veh_manuf_year@OCP5 = vehicle.veh_manuf_year@OCP5))
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HH:MI:SS AM')
and c.CREATED_TIMESTAMP < to_date ('10/21/2007 12:00:00 AM','MM/DD/YYYY
HH:MI:SS AM')
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dh.DTC_CODE,
dh.EXPLANATION_TEXT
order by vdh.created_timestamp
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max(to_char(decode(c.COMMAND_ID,'LT_FT_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) LF_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'RT_FT_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) RF_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'LT_RR_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) LR_TIRE_PRESSURE,
max(to_char(decode(c.COMMAND_ID,'RT_RR_TR_PR',TRIM (TO_CHAR
(c.command_result, 'XXXXXXXXXXXXXXX')), ' '))) RR_TIRE_PRESSURE
all I need to know is whether or not 1 through 4 are null or not, if not, then set the value to 1 and then if null then the value is zero and cound 1 through 4 in the column called count_pressure.
the values may be anything from 1.23232 to 100000.00323.
I hope this makes sense.

Not sure if I understand your requirements but perhaps;
SQL> with t as (
   select 5 c1,5 c2,5 c3,5 c4 from dual union all
   select 5, 5, 5, null from dual union all
   select null, null, null, null from dual union all
   select null, null, 5, 5 from dual)
select
   nvl2(c1,1,0) +
   nvl2(c2,1,0) +
   nvl2(c3,1,0) +
   nvl2(c4,1,0) tot
from t
       TOT
         4
         3
         0
         2

'Read-Only' is applied to 44k photos while using LR5...can't save work.

Hello,
As noted in the title...
Using MacPro (5 years old), OS Lion, full RAM, 4 HD's with 2 TB+ drives, plenty ofroom left over in all.
ALL 44k images located in one LR3 catalog (recent upgrade to LR5 hoping for remedy 2 days ago) show 'read-only' notice, so after doing any kind of work on them in develop, etc. I select all (in specific folder, not 44k photos!) then save it, a notice comes up and says these are 'read-only' files. Thus not able to save any work that is apparent in LR. BUT, when exported as JPG all changes are saved.
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Back-ups:
Back-ups were done from HD where all 44K photos reside, to 2 (two) other drives, within MacPro tower. So ALL 44k photos are essentially the same. This was a drag-n-drop not using Super Duper or similar byte-verification software.
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Ok, before we square off on the definition of metadata. I was saving work done in the develop module, as in developing the photo to my taste. Once I am done with the work, I either select the one image or all images in a folder and save the work. If the saving action is indeed called metadata (that is written to the xmp sidecar file) so be it. All I care about is that the sidecar file hangs onto the work I just did. Thus if a catalog is corrupted, I can re-load a recent back-up (done every time LR exits) and not have to do the work again. I also want to make sure my photos can be used even if LR dies, fades away into obscurity or no longer works. I do not want my photos to be 'prisoners' of Adobe LR or any other software. That is why I tested the photos outside of LR, by opening them in PS and see if my settings stayed as I had them before. If LR automatically saves the work to the catalog, great, no worries.
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Why do I get 'read-only' when I try to save work to a photo or a bunch of photos within a folder?
Where do I go to get "permission to write to a folder', whether using LR or any other software?
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Select in read only transaction mode / insert in write mode

hello,
i have a following question: i have 2 db, one is rdb and one oracle
im extracting data out of table out of rdb and inserting them into oracle via OWB;
however this is run in read-write mode and causes locks in rdb; the only way to prevent locks is to run a select statement that accesses rdb in 'read only' transaction mode;
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Hello,
is this something like:
insert into oracle_table (select * from rdb_table@rdb_link);
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SQLSRV> alter service <your OCI service> sql_init_file sql_init.ini
The service owner must have the privileges to read the file. You need to restart the OCI service.
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5.4.25 Declare Transaction in SQL Init File Being Overridden
In releases of OCI Services for Oracle Rdb prior to 7.2.0.1, if a DECLARE
TRANSACTION statement was executed in the SQL initialization file of a service, it would
be overridden by a DECLARE TRANSACTION statement executed later by OCI Services
for Oracle Rdb. Toward the end of the connection setup, OCI Services for Oracle Rdb would
execute a DECLARE TRANSACTION statement to set the default transaction
characteristics to be close to Oracle default transaction characteristics. This would supersede
any DECLARE TRANSACTION statement in the SQL initialization file. Starting with
release 7.2.0.1, OCI Services for Oracle Rdb recognizes that a DECLARE TRANSACTION
statement has been executed and will not execute another one.
Regards
Wolfgang
P.S.: It is always better to place Rdb related questions in our communities at https://communities.oracle.com/portal/server.pt/community/rdb_product_family_on_openvms . Those are watched by Rdb Engineering and Support. It was by pure chance that I saw this forum thread.

Read Only Model via package protection and delegation

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