ABAP Select data from SAP table BAPIP0009LNZ into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BAPIP0009LNZ table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to BAPIP0009LNZ. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the BAPIP0009LNZ table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_BAPIP0009LNZ TYPE STANDARD TABLE OF BAPIP0009LNZ,
      WA_BAPIP0009LNZ TYPE BAPIP0009LNZ,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <BAPIP0009LNZ> TYPE BAPIP0009LNZ.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BAPIP0009LNZ.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BAPIP0009LNZ
  INTO TABLE IT_BAPIP0009LNZ.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIP0009LNZ
*  INTO TABLE @DATA(IT_BAPIP0009LNZ2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_BAPIP0009LNZ INDEX 1 INTO DATA(WA_BAPIP0009LNZ2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BAPIP0009LNZ ASSIGNING <BAPIP0009LNZ>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIP0009LNZ>-EMPLOYEENO = 1.
<BAPIP0009LNZ>-SUBTYPE = 1.
<BAPIP0009LNZ>-OBJECTID = 1.
<BAPIP0009LNZ>-LOCKINDIC = 1.
<BAPIP0009LNZ>-VALIDEND = 1.

ENDLOOP.

LOOP AT IT_BAPIP0009LNZ INTO WA_BAPIP0009LNZ.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIP0009LNZ-VALIDBEGIN, sy-vline,
  WA_BAPIP0009LNZ-RECORDNR, sy-vline,
  WA_BAPIP0009LNZ-PAYMENTMETHOD, sy-vline,
  WA_BAPIP0009LNZ-PAYEE, sy-vline,
  WA_BAPIP0009LNZ-PAYEEPOSTALCODECITY, sy-vline,
  WA_BAPIP0009LNZ-PAYEECITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIP0009LNZ you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_BAPIP0009LNZ TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_BAPIP0009LNZ INTO WA_BAPIP0009LNZ.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BAPIP0009LNZ_STR, 
EMPLOYEENO TYPE STRING,
SUBTYPE TYPE STRING,
OBJECTID TYPE STRING,
LOCKINDIC TYPE STRING,
VALIDEND TYPE STRING,
VALIDBEGIN TYPE STRING,
RECORDNR TYPE STRING,
PAYMENTMETHOD TYPE STRING,
PAYEE TYPE STRING,
PAYEEPOSTALCODECITY TYPE STRING,
PAYEECITY TYPE STRING,
BANKCOUNTRY TYPE STRING,
BANKKEY TYPE STRING,
ACCOUNTNO TYPE STRING,
STANDARDVALUE TYPE STRING,
CURRENCY TYPE STRING,
STANDARDPERCENT TYPE STRING,
TIMEUNIT TYPE STRING,
CHECKDIGIT TYPE STRING,
CONTROLKEY TYPE STRING,
PURPOSE TYPE STRING,
BANKTYPE TYPE STRING,
NAMEOFBANKTYPE TYPE STRING,
NAMEOFBANKCOUNTRY TYPE STRING,
NAMEOFBANKKEY TYPE STRING,
NAMEOFPAYMENTMETHOD TYPE STRING,
NAMEOFCURRENCY TYPE STRING,
STANDARDVALUECURR TYPE STRING,
COUNTRYCURRENCY TYPE STRING,
NAMEOFCOUNTRYCURRENCY TYPE STRING,
POSTOFFICEACCNUMBER TYPE STRING,
IBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIP0009LNZ_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_BAPIP0009LNZ_STR-EMPLOYEENO sy-vline 
WA_BAPIP0009LNZ_STR-SUBTYPE sy-vline 
WA_BAPIP0009LNZ_STR-OBJECTID sy-vline 
WA_BAPIP0009LNZ_STR-LOCKINDIC sy-vline 
WA_BAPIP0009LNZ_STR-VALIDEND sy-vline 
WA_BAPIP0009LNZ_STR-VALIDBEGIN sy-vline 
WA_BAPIP0009LNZ_STR-RECORDNR sy-vline 
WA_BAPIP0009LNZ_STR-PAYMENTMETHOD sy-vline 
WA_BAPIP0009LNZ_STR-PAYEE sy-vline 
WA_BAPIP0009LNZ_STR-PAYEEPOSTALCODECITY sy-vline 
WA_BAPIP0009LNZ_STR-PAYEECITY sy-vline 
WA_BAPIP0009LNZ_STR-BANKCOUNTRY sy-vline 
WA_BAPIP0009LNZ_STR-BANKKEY sy-vline 
WA_BAPIP0009LNZ_STR-ACCOUNTNO sy-vline 
WA_BAPIP0009LNZ_STR-STANDARDVALUE sy-vline 
WA_BAPIP0009LNZ_STR-CURRENCY sy-vline 
WA_BAPIP0009LNZ_STR-STANDARDPERCENT sy-vline 
WA_BAPIP0009LNZ_STR-TIMEUNIT sy-vline 
WA_BAPIP0009LNZ_STR-CHECKDIGIT sy-vline 
WA_BAPIP0009LNZ_STR-CONTROLKEY sy-vline 
WA_BAPIP0009LNZ_STR-PURPOSE sy-vline 
WA_BAPIP0009LNZ_STR-BANKTYPE sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFBANKTYPE sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFBANKCOUNTRY sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFBANKKEY sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFPAYMENTMETHOD sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFCURRENCY sy-vline 
WA_BAPIP0009LNZ_STR-STANDARDVALUECURR sy-vline 
WA_BAPIP0009LNZ_STR-COUNTRYCURRENCY sy-vline 
WA_BAPIP0009LNZ_STR-NAMEOFCOUNTRYCURRENCY sy-vline 
WA_BAPIP0009LNZ_STR-POSTOFFICEACCNUMBER sy-vline 
WA_BAPIP0009LNZ_STR-IBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.