ABAP Select data from SAP table RPCBETA1LN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPCBETA1LN 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 RPCBETA1LN. 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 RPCBETA1LN 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_RPCBETA1LN TYPE STANDARD TABLE OF RPCBETA1LN,
      WA_RPCBETA1LN TYPE RPCBETA1LN,
      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: <RPCBETA1LN> TYPE RPCBETA1LN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPCBETA1LN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPCBETA1LN
  INTO TABLE IT_RPCBETA1LN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPCBETA1LN
*  INTO TABLE @DATA(IT_RPCBETA1LN2).
*--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_RPCBETA1LN INDEX 1 INTO DATA(WA_RPCBETA1LN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPCBETA1LN ASSIGNING <RPCBETA1LN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPCBETA1LN>-FUPER = 1.
<RPCBETA1LN>-ABART = 1.
<RPCBETA1LN>-PROZN = 1.
<RPCBETA1LN>-PROZZ = 1.
<RPCBETA1LN>-XBLNR = 1.

ENDLOOP.

LOOP AT IT_RPCBETA1LN INTO WA_RPCBETA1LN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPCBETA1LN-PERNR, sy-vline,
  WA_RPCBETA1LN-BUKRS, sy-vline,
  WA_RPCBETA1LN-BUKRS_TXT, sy-vline,
  WA_RPCBETA1LN-WERKS, sy-vline,
  WA_RPCBETA1LN-WERKS_TXT, sy-vline,
  WA_RPCBETA1LN-BTRTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPCBETA1LN 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_RPCBETA1LN 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_RPCBETA1LN INTO WA_RPCBETA1LN.


*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_RPCBETA1LN_STR, 
FUPER TYPE STRING,
ABART TYPE STRING,
PROZN TYPE STRING,
PROZZ TYPE STRING,
XBLNR TYPE STRING,
PERNR TYPE STRING,
BUKRS TYPE STRING,
BUKRS_TXT TYPE STRING,
WERKS TYPE STRING,
WERKS_TXT TYPE STRING,
BTRTL TYPE STRING,
BTRTL_TXT TYPE STRING,
FZAMT TYPE STRING,
FZAMT_TXT TYPE STRING,
FZSTR TYPE STRING,
FZPLZ TYPE STRING,
FZORT TYPE STRING,
ABKRS TYPE STRING,
ABKRS_TXT TYPE STRING,
ANSTA TYPE STRING,
ANSTA_TXT TYPE STRING,
LINE0 TYPE STRING,
LINE1 TYPE STRING,
LINE2 TYPE STRING,
LINE3 TYPE STRING,
LINE4 TYPE STRING,
LINE5 TYPE STRING,
FUPPR TYPE STRING,
SNAME TYPE STRING,
ENAME TYPE STRING,
GRNDN TYPE STRING,
PROZN_OLD TYPE STRING,
BTRPN TYPE STRING,
GRNDZ TYPE STRING,
PROZZ_OLD TYPE STRING,
BTRPZ TYPE STRING,
LSTBT TYPE STRING,
KDABS TYPE STRING,
FAMBH TYPE STRING,
BTRPG TYPE STRING,
ORT01 TYPE STRING,
WAERS TYPE STRING,
PREVA TYPE STRING,
LIMIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPCBETA1LN_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_RPCBETA1LN_STR-FUPER sy-vline 
WA_RPCBETA1LN_STR-ABART sy-vline 
WA_RPCBETA1LN_STR-PROZN sy-vline 
WA_RPCBETA1LN_STR-PROZZ sy-vline 
WA_RPCBETA1LN_STR-XBLNR sy-vline 
WA_RPCBETA1LN_STR-PERNR sy-vline 
WA_RPCBETA1LN_STR-BUKRS sy-vline 
WA_RPCBETA1LN_STR-BUKRS_TXT sy-vline 
WA_RPCBETA1LN_STR-WERKS sy-vline 
WA_RPCBETA1LN_STR-WERKS_TXT sy-vline 
WA_RPCBETA1LN_STR-BTRTL sy-vline 
WA_RPCBETA1LN_STR-BTRTL_TXT sy-vline 
WA_RPCBETA1LN_STR-FZAMT sy-vline 
WA_RPCBETA1LN_STR-FZAMT_TXT sy-vline 
WA_RPCBETA1LN_STR-FZSTR sy-vline 
WA_RPCBETA1LN_STR-FZPLZ sy-vline 
WA_RPCBETA1LN_STR-FZORT sy-vline 
WA_RPCBETA1LN_STR-ABKRS sy-vline 
WA_RPCBETA1LN_STR-ABKRS_TXT sy-vline 
WA_RPCBETA1LN_STR-ANSTA sy-vline 
WA_RPCBETA1LN_STR-ANSTA_TXT sy-vline 
WA_RPCBETA1LN_STR-LINE0 sy-vline 
WA_RPCBETA1LN_STR-LINE1 sy-vline 
WA_RPCBETA1LN_STR-LINE2 sy-vline 
WA_RPCBETA1LN_STR-LINE3 sy-vline 
WA_RPCBETA1LN_STR-LINE4 sy-vline 
WA_RPCBETA1LN_STR-LINE5 sy-vline 
WA_RPCBETA1LN_STR-FUPPR sy-vline 
WA_RPCBETA1LN_STR-SNAME sy-vline 
WA_RPCBETA1LN_STR-ENAME sy-vline 
WA_RPCBETA1LN_STR-GRNDN sy-vline 
WA_RPCBETA1LN_STR-PROZN_OLD sy-vline 
WA_RPCBETA1LN_STR-BTRPN sy-vline 
WA_RPCBETA1LN_STR-GRNDZ sy-vline 
WA_RPCBETA1LN_STR-PROZZ_OLD sy-vline 
WA_RPCBETA1LN_STR-BTRPZ sy-vline 
WA_RPCBETA1LN_STR-LSTBT sy-vline 
WA_RPCBETA1LN_STR-KDABS sy-vline 
WA_RPCBETA1LN_STR-FAMBH sy-vline 
WA_RPCBETA1LN_STR-BTRPG sy-vline 
WA_RPCBETA1LN_STR-ORT01 sy-vline 
WA_RPCBETA1LN_STR-WAERS sy-vline 
WA_RPCBETA1LN_STR-PREVA sy-vline 
WA_RPCBETA1LN_STR-LIMIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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