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Planning Area Locking Logic demo

ContentsIntroduction 2

Use 3Prerequisites 3Features 3Activities 3Work with Multiple Single Values 4e.g. 1 Aggregated Lock 4e.g. 2 - Detailed Lock 6e.g. 2 - LiveCache Lock 9Work with Intervals 11e.g. 1- Aggregated Lock 11e.g. 2- Detailed Lock (result is different from sap help. need to check) 13e.g. 3- Livecache Lock 16Key Figure Specific Lock with Detailed Lock 18

Introduction

Source: http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/8c736222-0b01-0010-13a4-de0f8d118a76?QuickLink=index&overridelayout=true

Release note SCM5.0

Locking Logic in Demand Planning (DP) (Enhanced)

Use

As of SAP SCM 5.0, the new locking logic liveCache Lock is available in Demand Planning

(DP). The system can use this logic to more precisely lock data you are accessing than it can

with the aggregated and detailed locks. The liveCache lock takes intervals into account during

selection and evaluates forsingle values the first wildcard character (*) or the first

placeholder (+) for each value. You can activate the liveCache lock in planning area

maintenance on the Locking Logic tab page. You can activate the liveCache lock together

with the key figure-specific lock.

Source: http://help.sap.com/saphelp_scm2007/helpdata/en/77/d4103d2669752de10000000a114084/frameset.htmIf, Prod1 -> only Loc1, select Prod1 in the selection automatically add Loc1; if Prod1 ->Loc1 &

Loc2, select Prod1 automatically add Loc1 & Loc2 in the selection.If multiple users want to work with data of the same characteristics simultaneously, then this is

only possible if the each user's selection is differentiated by at least ONE characteristic

value.

Demand planning uses the liveCache lock by default, since it is the most precise lock. If you are
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working with a planning area from an older release for which a different locking method is set

up, change this setting by setting the liveCacheLockindicator.Aggregated Lock

Using this locking method, the system can only create an entry in the lock table for one unique single

value per characteristic. All other types of selection for a characteristic cause the system to lock all

values of the characteristic. These include the following selections: Intervals (entries with , , are also intervals), for example, products 1 to 100. Multiple single values, for example, location = DERBY, PHILADELPHIA and

SINGAPORE. Exclusive selections (single values and intervals), for example, customer SMITH.When the liveCache LockandDetailed Lockindicators are not set, the aggregated lock is active.Detailed Lock

This lock is less restrictive than the aggregated lock. In this case, the system can create an entry in the

lock table for multiple single values per characteristic. The detailed lock can work with intervals or

exclusive selections.

You can use the detailed lock together with the key figure specific lock. For more information, seeKey

Figure Specific Locking.liveCache Lock

The liveCache lock is the most precise locking method. Using this locking method, the system can create

an entry in the lock table for multiple single values or one interval per characteristic. The liveCache lock

does not take exclusive selections into account.

In addition, the system evaluates a wildcard character (*) and any number of wild cards (+) in single

values. Always use the wildcard character at the end of the characteristic value, for example, ABC*.You can use the liveCache lock together with the key figure specific lock. For more information, seeKey

Figure Specific Locking. Use

The effect of this function is that the system only locks the key figures of a planning area that are being

processed in data views. The key figure specific lock can be used as an enhancement of the detailed lock

or of the liveCache lock.

Prerequisites You are working with demand planning (DP) planning areas. You have set theDetailed LockorliveCacheLockindicator on theLockingtab page in

planning area maintenance.Features
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If you have activated the key figure specific lock for a planning area, two users can work with the same

selection. A prerequisite for this is that both users are working in different data views that do not

contain shared key figures.When you use the key figure specific lock, you can also set the Do not lock read-only key figures

indicator so that the system does not lock read-only key figures. This enables multiple users to select the

same read-only key figures of a planning area. A prerequisite for this is that the respective data views do

not contain any key figures that have already been locked. In general you can change the Read-Only/Change attribute of a key figure by using a macro.

However, this is not possible if you want to change a read-only key figure of a planning area for

which there is no active key figure specific lock and in which the read-only key figures are not

locked.

ActivitiesTo activate the key figure specific lock for a planning area, in planning area maintenance, you set the key

figure specific lockindicator on the Locking tab page. In addition to this indicator, you can also set the

Do not lock read-only key figures indicator here.

Work with Multiple Single Values

e.g. 1 Aggregated Lock

Characteristic Existing selection (user X) Desired Selection (user Y)

A = 01 = 02 AND 03 AND 04

Aggregated lock: user Y cannot work with this selection since multiple single values have been

specified for characteristic A. The system now attempts to lock all values for characteristic A.

This is not possible since user X is already working with the data of characteristic value 01.


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When the liveCache LockandDetailed Lockindicators are not set, the aggregated lock is

active.User one select Product = RMCTEST1

In Edit Mode


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User two select Product = RMCTEST2 and RMCTEST3


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e.g. 2 - Detailed LockDetailed lock and liveCache lock: user Y can work with this selection since these locking

methods take multiple single values into account and the specified characteristic values do not

include value 01 that was locked by user X.


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User one select Product = RMCTEST1

In Edit Mode


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e.g. 2 - LiveCache Lock

LiveCache lock: user Y can work with this selection since these locking methods take multiple

single values into account and the specified characteristic values do not include value 01 that waslocked by user X.


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In Edit Mode


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Work with Intervals

e.g. 1- Aggregated Lock


A = 01 From 02 to 04

Aggregated lock: user Y cannot work with this selection since an interval has been specified for

characteristic A. The system now attempts to lock all values for characteristic A.This is not

possible since user X is already working with the data of characteristic value 01.


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When the liveCache LockandDetailed Lockindicators are not set, the aggregated lock is

active.User one select Product = RMCTEST1

In Edit Mode


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User two select Product = RMCTEST2 ~ RMCTEST4


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e.g. 2- Detailed Lock (result is different from sap help. need to check)

Characteristic Existing selection (user X) Desired Selection (user Y)A = 01 From 02 to 04

Detailed lock: user Y can work with this selection since an interval has been specified for

characteristic A. The Interval is different from characteristic value 01 in user X.


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In Edit Mode


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e.g. 3- Livecache Lock


A = 01 From 02 to 04

Livecache lock: user Y can work with this selection since an interval has been specified forcharacteristic A. The Interval is different from characteristic value 01 in user X.


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In Edit Mode



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Key Figure Specific Lock with Detailed LockUser can use the same selection as long as two data views do not contain common key figure(s).Two data views can be in the same planning book or different planning books.


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Ex-post forecast/forecast errors not generated issue

In the Master Forecast Profile, when selecting Periods instead of From and To Horizon,
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Forecast Errors are generated


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However, if in the Master Forecast Profile, we use the From and To Horizon, instead of Period,

The Ex-post Forecast is NOT generated


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Theres also NO Forecast error generated


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So, This is a program errorBUG.

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