Object Protection

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Information

In the object protection data fields, information on the record is saved, e.g. by whom/when it was created or changed, or, according to the license, whether it is a standard record or an individual record.
A data table does not have to contain object protection data fields.

Details

If a data table has object protection data fields,
- they must be defined in the following order with the following parameters.
- the DB pos. must be in the Pos. OS field of the first object protection DI (Created on).

Data item	DI Python ID	SQL ID	Column type	DB length	DF length	Status
Created on	created_on	OS_CREATED_ON	Date	4	8	6
Changed on	modified_on	OS_MODIFIED_ON	Date	4	8	6
Created by	created_by	OS_CREATED_BY	Alpha, large	20	20	6
Modified by	modified_by	OS_MODIFIED_BY	Alpha, large	20	20	6
Owner license	owner_license	OS_LICENSE	Alpha, large	4	4	6
OPC	opc	OS_OPC	Alpha, large	8	8	6
Owner	owner	OS_OWNER	Object protection for "rwd" output	2	4	6
Group	group	OS_GROUP	Object protection for "rwd" output	2	4	6
Any	any	OS_ANY	Object protection for "rwd" output	2	4	6

Object Protection Data Fields

Created by (creating user)

When a record is created, the ID (code) of the logged-on user is automatically entered in this field. The creating user is also the owner of a record.

Created on (creation date)

When a record is created, the time of creation is automatically entered here.

Modified by (modifying user)

When a record is modified, the ID (code) of the logged-on user is automatically entered in this field.

Modified on (modification date)

When a record is modified, the modification date is automatically entered here.

OPC (object protection class)

The content of this data field is set to the user object protection class of the creating user. If an entry has been made for the user and for the data table in question in the

Users: Object Protection/Data Table

module, the

OPC

field from this entry will be used. An object protection class can belong to several users. In doing so, several program users will be combined in a so called group. The object protection class is not related to the user class of a user.

Owner

Specifies what actions are permitted for records if the user created them himself / herself:

r = read
w = write/change
d = delete

The protection characteristics are shown as follows:

rwd = reading, writing, and deletion permitted
rw- = reading and writing permitted
r-d = reading and deletion permitted
r-- = reading permitted only
The w and d rights must always be specified together with r, since a record must be read to be changeable/deletable. Hence, to specify "delete only" it is necessary to specify r-d and not merely --d.

group

Describes what a user is allowed to do with a record if his/her object protection class matches the object protection class entry in the record. Values analogous to Owner (see above).

any

The authorization for any will apply if the user is not the creating user for the record and does not have the same object protection class as that for the record. Values analogous to Owner (see above).

Owner license

Upon creation of a record, the current license is entered automatically. You can distinguish standard records from individual records by their license.