Use of Logical database in ABAP Queries

hi,
Can anybody tell me when/why do we use logical database in Infosets for ABAP Query?
Regards,
Divya

hi,
pros: -you need not to define so many own tables, fields and additional codings in your info set
cons: - performance in huge DB's
A.
Message was edited by: Andreas Mann

Similar Messages

Logical Database in Abap Objects

Hi to All
I want do it a program report using a Logical Database.
Is this possible ??? But when I make a GET <node>, occurs the following error:
         "" Statement "ENDMETHOD" missing. ""
I'm doing the following:
CLASS MONFIN IMPLEMENTATION.
       METHOD TRAER_DATOS.
               GET VBRK.
       ENDMETHOD.
ENDCLASS.
Please, somebody tell me how I use the logical database in Abap Objects.
Thank you very much
Regards
Dario R.

Hi there
Logical databases whilst of "some use" are not really part of OO.
If you want to use a logical database in an abap OO program I would create a special class which just does the get data from your DB and pass this either at record or table level.
Techniques such as GET XXXX LATE aren't really part of any OO type of application since at Object Instantiation time you should be able to access ALL the attributes of that object.
As far as OO is concerned Logical databases are a throwback to "Dinosaur Technology".
Since however modules such as SD and FI are still heavily reliant on relational structures (i.e linked tables etc) then there is still some limited life in this stuff but for OO try and solve it by another method.
If you really must use this stuff in OO then do it via a FMOD call and save the data in a table which your method will pass back to your application program.
You can't issue a GET command directly in a method.
Cheers
Jimbo

Better alternative to header lines, use of logical database, field-symbols

Hello experts,
I am wondering if theres a better and faster alternative than declaring a header line for an itab. are work areas faster?
What is the use of logical database? can you please give me an example on how to use it in reports.
how do I use field-symbols? I am confused on how it works.
P.S. I recently installed SAP netweaver preview abap edition
in my home PC and I am wondering if I could practice BDC, user exits, etc. If so, how?
Again, thanks for all your help since I'm kinda new to ABAP.

I always use this...It uses header lines, but at least is smaller -:)
<b>DATA: BEGIN OF MY_TAB TYPE STANDARD TABLE OF BKPF WITH HEADER LINE.</b>
For logical databases, you can check my blog...I always use LDB for HR programs -:)
<a href="/people/alvaro.tejadagalindo/blog/2006/02/19/how-to-deal-with-hr-payroll-reports:///people/alvaro.tejadagalindo/blog/2006/02/19/how-to-deal-with-hr-payroll-reports
LDB's provides a lot of information, because they gather it from a lot of different tables...
A Field-Symbols is like a pointer in C++, like an alias for a variable...Here's a small example...
REPORT Z_ATG_DUMMY.
FIELD-SYMBOLS: <F1>, <F2> TYPE I.
DATA: TEXT(20) TYPE C VALUE 'Hello, how are you?',
      NUM TYPE I VALUE 5,
      BEGIN OF LINE1,
      COL1 TYPE F VALUE '1.1e+10',
      COL2 TYPE I VALUE '1234',
      END OF LINE1,
      LINE2 LIKE LINE1.
ASSIGN TEXT TO <F1>.
ASSIGN NUM TO <F2>.
DESCRIBE FIELD <F1> LENGTH <F2>.
TEXT = 'CHAU'.
WRITE: / <F1>, 'has length', NUM.
WRITE: / TEXT, 'has length', NUM.
ASSIGN LINE1 TO <F1>.
ASSIGN LINE2-COL2 TO <F2>.
MOVE <F1> TO LINE2.
ASSIGN 'LINE2-COL2 =' TO <F1>.
I just can't install SAPNWSP...I only got MiniSap...But I got all the development enviorment...Don't know about the User-Exits...Actually I don't think so...Because those "mini" systems doesn't come with any functional module.
Greetings,
Blag.

Logical Databases with ABAP OO

As we move to ABAP OO paradigm, should we abandon the use of logical databases?
Edited by: Kimberly Carmack on Mar 10, 2009 12:47 AM

Thank you for your input.
I am aware of the capability to call FM LDB_PROCESS from a method.
But should I? Should I avoid using LDBs altogether? In what scenario should I use an LDB in OOA/OOD?
I am very interested in hearing more about why "implicit triggering of events, implicit calls, and data sharing between programs....is contradictory ..to OO". Will you please elaborate?
Let me give some insight as to the source of this question...
Our company has made an acquistion. We are converting some of their customization into our system.
I am currently re-engineering one of their reports. It uses data from the tables: VBAK, VBAP, VBEP, VBUK, VBUP, VBEP, VBPA and VBFA.
Although the old program does not use logical database, I see the VAV logical database lines up with this data request quite nicely.
And since I know that there are several of their reports and transactions that access the same data, the reusability of the LDB is quite attractive.
However, our company has an initiative to conduct all new development using OO standards.
So, should I used the VAV LDB from a local method? Or would it be better practice to look at creating a global class that has methods that repeat the functionality of the VAV LDB?
And if global classes and new methods is the way to go, what would that global class look like?
This is what I am wondering about.
Any feedback is appreciated.
Edited by: Kimberly Carmack on Mar 10, 2009 2:19 PM

How to use a Logical Database in Function Module.

Hi Experts,
I want to use a logical database in a Function Module to fetch data from a standard SAP table into a Internal table for certain filter conditions.
How can I get get this done????
I called LDB_PROCESS FM in my FM, but I could not figure out how to store the extract in my IT table since we cant use GET in FM.
Please provide me a sample code if possible.
Thanks in Advance,
Alex.

Hi,
i had an example program like this ,in this i want to get the data using pnp logical database with 5 fields in an interface program.
data: begin of it_final occurs 0,
        pernr like pa0002-pernr,
        vorna like pa0002-vorna,
        nachn like pa0002-nachn,
       usrid like pa0105-usrid,
       usrid_long like pa0105-usrid_long,
       end of it_final.
get pernr.
clear : p0000,p0002,p0105.
rp-provide-from-last p0000 space p_date p_date.
if p0000-stat2 = '3'.
    v_pernr = pnppernr-low.
else.
    reject.
endif.
*---Get employee pernr, First name ,Last name into final table
rp-provide-from-last p0002 space p_date p_date.
if pnp-sw-found = '1'.
   it_final-pernr = p0002-pernr.
   it_final-vorna = p0002-vorna.
   it_final-nachn = p0002-nachn.
else.
*---Error message if not infotype 0002 maintained
T_ERROR-PERNR   = pnppernr-low.
CONCATENATE TEXT-EMI '0002'
INTO T_ERROR-MESSAGE SEPARATED BY SPACE.
APPEND T_ERROR.
CLEAR T_ERROR.
endif.
**--Get SYSTEM USERNAME to final table
rp-provide-from-last p0105 0001 p_date p_date.
if pnp-sw-found = '1'.
    it_final-usrid = p0105-usrid.
else.
*---Error message if not SYSTEM USERNAME maintained
    T_ERROR-PERNR   = pnppernr-low.
    CONCATENATE TEXT-003 '0105'
    INTO T_ERROR-MESSAGE SEPARATED BY SPACE.
    APPEND T_ERROR.
    CLEAR T_ERROR.
endif.
**--Get Email ID to final table
rp-provide-from-last p0105 0010 p_date p_date.
if pnp-sw-found = '1'.
    it_final-usrid_long = p0105-usrid_long.
else.
*---Error message if not Email ID maintained
    T_ERROR-PERNR   = pnppernr-low.
    CONCATENATE TEXT-004 '0105'
    INTO T_ERROR-MESSAGE SEPARATED BY SPACE.
    APPEND T_ERROR.
    CLEAR T_ERROR.
endif.
   append it_final.
    clear it_final.
reward points if useful,
venkat.

How to use OWN logical database

Hi all,
hope somebody can help me.
I copied a standard logical database (FPMF). The program which I use and have modified is also copied from standard.
How can I assure that the program use MY logical database instead of the SAP-One?
In my case I have some get statements. And these get statements all refer to FPMF and not to my copied database.
Do anybody what's the probelm?
Cheers
Philip

Yes, I know. And I am not happy with this solution.
But I didn't see another way for my issue.
Thank you very much.
Philip

Generic Extractor built on an infoset which uses a logical database

Is anyone aware of any performance issues when building an infoset generic extractor which uses a logical database as the source? Also would anyone also be aware the process of collecting data for extraction? Thanks

Hi Arun,
Thanks for this - I have been informed that there are issues with a small subset of data and I just wanted to get an idea if the steps that would be carried out be the same if the generic extractor is built on table joins or logical data base or does the latter actual carry out say some pre processing steps

Restrict selection screen when using logical Database(HR ABAP)

Hi,
      I'm using <b>PNP</b> logical Database in my
      report program. I want to restrict the deafult
      selection screen.
      Pls suggest me if knows.
Kind regards,
- Selva

if you don't use the NODE or TABLE statement pnp selection screen will not come.
other wise use screen number 900 which have fever fields and you can make the invisible using
loop at screen.
endloop.
Regards,
Wasim Ahmed

Logical database of ABAP query

Hi,
Can anybody please let me know what is the Logical database for ETXDCI, ETXDCH & ETXDCJ (Tax tables) with any sales document tables? I need to develop one ABAP query for the users.
I am a Functional person so I would like to know Can anybody please let me know how I can find out the Logical database?
Your time and help will be really appreciate.
Thanks & Regards,
Niki Shah.

Try the BRF logical database.
I found it by searching in which programs the tables were used.
It show program SAPDBBRF which is the program for logical database BRF.
Kind regards,
Arthur Parisius

How to make use of logical database in reports?

hi,
I am working on a Cash Flow Forecast report, which requires the usage of 'PSJ' Logical Database for the selection screen with Profit Center(PRCTR) as one field and the other field being Period ( in MM/YYYY format).
I have not worked on Logical Database before. Since, its for the first time I am working on LDB, I require help on it.
How to proceed for this, can someone help me with it?
On receiving further inputs, I will proceed and might come up with some more queries.
Regards,
Ravi

Hi Hari,
Thanks a lot for being so patient. yeah, I will just send you a code snippet of mine. My code is of 3000 Lines. Hence, I will send few parts of it. Just go through and let me know if you need any further information from my side.
Here is the snippet:
*& TABLES
TABLES: PROJ,                              "Project definition.
        PRPS,                              "WBS Element Master Data
        COSP,                              "CO: External Table.
        COFP,                              "CO: External Table.
        SETLEAF,                       "Value in sets.
        FAGLFLEXT,                         "Profit Center.
        S031,                              "Statistics: Movements for Current Stocks.
        SETHEADERT,                        "short Description of Sets.
        AFVC,                              "Operation within an Order.
        AUFK,                              "Order master data.
        PRHI,                              "Work Breakdown Structure.
        AFKO,                              "Order header data PP orders.
        NRIV,                              "Number range Intervals.
        SKB1,                              "G/L Account Master (company code).
        FMCI.                              "Commitments Item master data.
Type Pool
TYPE-POOLS: SLIS.
FIELD-SYMBOLS: <DYN_TABLE> TYPE STANDARD TABLE,
               <DYN_WA>,
               <DYN_FIELD>.
DATA: COUNT TYPE I,
      D_PERIOL LIKE COFP-PERIO,
      D_PERIOH LIKE COFP-PERIO,
      D_GJAHRL LIKE COFP-GJAHR,
      D_GJAHRH LIKE COFP-GJAHR,
      D_GJAHR LIKE COFP-GJAHR,
      D_PERIO LIKE COFP-PERIO,
      OBJNR LIKE COSP-OBJNR,
      PKOKR LIKE PRPS-PKOKR,
      G_NRLEVEL LIKE NRIV-NRLEVEL,
      G_BELNR LIKE COFP-BELNR,
     I_OBJ-OBJNR LIKE COFP-OBJNR,
      G_OPNGBAL LIKE FAGLFLEXT-HSL01,
      G_PAYROLL LIKE COSP-WKG001,
      G_PYROL_TAX LIKE COFP-WKGBTR,
      G_PENSION LIKE COFP-WKGBTR,
      G_BTLDGR LIKE COFP-WKGBTR,
      G_REIMPYMT LIKE COFP-WKGBTR,
      G_INTCORCPT LIKE COFP-WKGBTR,
      G_CAPEXP LIKE COFP-WKGBTR,
      G_SLSLDGR LIKE COFP-WKGBTR,
      G_REIMRCPT LIKE COFP-WKGBTR,
      G_TOTPYMNTS LIKE COFP-WKGBTR VALUE 0,
      G_TOTRECPTS LIKE COFP-WKGBTR VALUE 0,
      G_MVMTFRMNTH LIKE COFP-WKGBTR VALUE 0,
      G_CLSGBAL LIKE COFP-WKGBTR VALUE 0.
DATA: LYEAR(4) TYPE N,
      LMONTH1(2) TYPE N,
      MON1(2) TYPE N.
DATA: HYEAR(4) TYPE N.
DATA: LMONTH(2) TYPE N.
DATA: HMONTH(2) TYPE N.
DATA: TOTAL(10) TYPE N.
DATA: SUM(10) TYPE N.
DATA: G_PSPID LIKE PROJ-PSPID.
DATA: TOTAL1 LIKE COFP-WKGBTR,
      TOTAL2 LIKE COFP-WKGBTR.
DATA: G_KOKRS LIKE COFP-KOKRS,
      G_FIPOS LIKE SKB1-FIPOS,
      G_POSIT LIKE COFP-POSIT,
      G_BUKRS LIKE COFP-BUKRS.
DATA: L_RACCT LIKE FAGLFLEXT-RACCT VALUE '0000220000',
      H_RACCT LIKE FAGLFLEXT-RACCT VALUE '0000227999'.
DATA: I TYPE I VALUE '74'.
DATA: P TYPE I VALUE '62'.
*& SELECT-OPTIONS
PARAMETERS : S_PRCTR LIKE PROJ-PRCTR.         "Profit Center
SELECT-OPTIONS: SL_SPMON FOR S031-SPMON OBLIGATORY.            "Period
*INITIALIZATION
INITIALIZATION.
SL_SPMON-SIGN = C_IN.
SL_SPMON-OPTION = C_BT.
SL_SPMON-LOW = SL_SPMON.
SL_SPMON-HIGH = SL_SPMON.
APPEND SL_SPMON.
AT SELECTION-SCREEN
Event which occurs each time the user hits enter on the selection
Screen.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR SL_SPMON-LOW.
PERFORM MONAT_F4.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR SL_SPMON-HIGH.
PERFORM MONAT_F4.
SELECT SINGLE * FROM PROJ WHERE PRCTR = S_PRCTR.
IF SY-SUBRC <> 0 AND NOT ( S_PRCTR IS INITIAL ).
    MESSAGE E019.
ENDIF.
ALL WBS ELEMENT SELECTION
SELECT PSPID INTO TABLE I_PROJTAB FROM PROJ WHERE PRCTR = S_PRCTR.
IF SY-SUBRC = 0.
    LOOP AT I_PROJTAB.
      CALL FUNCTION 'GET_TREE_FROM_PRHI'
        EXPORTING
          I_POSID                   = I_PROJTAB-PSPID
   I_PSPNR                   = 00000000
   NO_BUFFER                 = ' '
        TABLES
          PSP_TREE                  = I_PRHI
        EXCEPTIONS
          INPUT_ERROR               = 1
          PSP_HIERARCHY_ERROR       = 2
          PSP_NOT_FOUND             = 3
          OTHERS                    = 4
   ENDLOOP. " PROJTAB
ENDIF.
SELECT * FROM PRPS INTO TABLE I_PRPSVC FOR ALL ENTRIES IN I_PRHI
                  WHERE PSPNR = I_PRHI-POSNR.
SELECT * FROM AFVC INTO TABLE I_AFVC FOR ALL ENTRIES IN I_PRPSVC
                  WHERE PROJN = I_PRPSVC-PSPNR.
SELECT * FROM AUFK INTO TABLE I_AUFK FOR ALL ENTRIES IN I_PRPSVC
                  WHERE PSPEL = I_PRPSVC-PSPNR AND AUTYP NE C_TWENTY.
SELECT OBJNR FROM PRPS INTO TABLE I_OBJ FOR ALL ENTRIES IN I_PRHI
                  WHERE PSPNR = I_PRHI-POSNR.
IF SY-SUBRC <> 0.
    MESSAGE E010.
ENDIF.
I hope that's of some use.
Thanks & Regards,
Ravi

Dump in Zprogram using PNP logical database

shows the following error when I run a human resources program that uses logical database PNP.
ASSIGN_BASE_TOO_SHORT: The current ABAP program "SAPDBPNP" Had To Be terminated Because it has come across a statement Unfortunately That Can not Be Executed.
Anybody can help me understand why this problem occurs?

You should have run a simple search on this before raISING YOUR OWN QUESTION. sEVERAL PEOPLE HAVE HAD the same or similar issue.
This thread quotes an oss note which might help you:
ASSIGN_BASE_TOO_SHORT in DBPNPF03 (SAPDBPNP)

Select-options when Using PNP logical database

Hi ,
We get a default selection screen when we use logical database in HR ABAP.
But we always get the selection elements as "PARAMETERS" and not as "SELECT-OPTIONS".
How can we change it to select options ....
I tried all the options in HR- Report categories but it is not working..
Kindly Help..
Regards,
Ashwin.

Hi,
execute the program. In the selection screen
For eg:
personel Number select the Mutiple Selection option. After that select the tab select intervals and u can give the range.
Regards,
Srinivas

Use of Logical Database in function module

Hello Experts,
Is there a way of using logical database and Get enent inside a function module.
I am trying to create a RFC for HR module and need this badly. Any help would be highly appriciated.
Thanks,
Gregory fernando

This fm will work fine with all LDBs including PNP
Have you checked the fm documentation ?
a®

How to define our own selection screen for logical database in abap-hr?

Hi Friends,
Can u please help me
How to define your own selection screens for logical database.
we use to do like(goto->attributes-HRReportcatagerious ).but How to desin using customer table like t599c, t599f and how to add to my logical database?
Thanks in advance
charan

check out this online help
http://help.sap.com/saphelp_erp2004/helpdata/en/9f/dba65c35c111d1829f0000e829fbfe/frameset.htm
Regards
Raja

Using PNP logical database in report

Hi i'm using the PNP logical database in my report, and i want to hide all fields in the 'Period' frame.
is there any way to do it automatically or is it necessary to hide them one by one??
Thanks in advance.

If you can put them all in the same screen group, you may be able to do this. But you might run into problems when you re-generate.
Rob

Use of Logical database in ABAP Queries

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