ABAP Select data from SAP table RPDAVMD0_S_MAIN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPDAVMD0_S_MAIN 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 RPDAVMD0_S_MAIN. 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 RPDAVMD0_S_MAIN 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_RPDAVMD0_S_MAIN TYPE STANDARD TABLE OF RPDAVMD0_S_MAIN,
      WA_RPDAVMD0_S_MAIN TYPE RPDAVMD0_S_MAIN,
      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: <RPDAVMD0_S_MAIN> TYPE RPDAVMD0_S_MAIN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPDAVMD0_S_MAIN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPDAVMD0_S_MAIN
  INTO TABLE IT_RPDAVMD0_S_MAIN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPDAVMD0_S_MAIN
*  INTO TABLE @DATA(IT_RPDAVMD0_S_MAIN2).
*--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_RPDAVMD0_S_MAIN INDEX 1 INTO DATA(WA_RPDAVMD0_S_MAIN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPDAVMD0_S_MAIN ASSIGNING <RPDAVMD0_S_MAIN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPDAVMD0_S_MAIN>-ANLAR = 1.
<RPDAVMD0_S_MAIN>-ANLTX = 1.
<RPDAVMD0_S_MAIN>-BAUST = 1.
<RPDAVMD0_S_MAIN>-BTMTX = 1.
<RPDAVMD0_S_MAIN>-BEITG = 1.

ENDLOOP.

LOOP AT IT_RPDAVMD0_S_MAIN INTO WA_RPDAVMD0_S_MAIN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPDAVMD0_S_MAIN-WAERS, sy-vline,
  WA_RPDAVMD0_S_MAIN-FEBEI, sy-vline,
  WA_RPDAVMD0_S_MAIN-ANTEI, sy-vline,
  WA_RPDAVMD0_S_MAIN-FEANT, sy-vline,
  WA_RPDAVMD0_S_MAIN-BLART, sy-vline,
  WA_RPDAVMD0_S_MAIN-BLTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPDAVMD0_S_MAIN 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_RPDAVMD0_S_MAIN 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_RPDAVMD0_S_MAIN INTO WA_RPDAVMD0_S_MAIN.


*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_RPDAVMD0_S_MAIN_STR, 
ANLAR TYPE STRING,
ANLTX TYPE STRING,
BAUST TYPE STRING,
BTMTX TYPE STRING,
BEITG TYPE STRING,
WAERS TYPE STRING,
FEBEI TYPE STRING,
ANTEI TYPE STRING,
FEANT TYPE STRING,
BLART TYPE STRING,
BLTXT TYPE STRING,
BBAUS TYPE STRING,
BBSTX TYPE STRING,
ALART TYPE STRING,
ALTXT TYPE STRING,
ALAR1 TYPE STRING,
ALTX1 TYPE STRING,
ALAR2 TYPE STRING,
ALTX2 TYPE STRING,
ALAR3 TYPE STRING,
ALTX3 TYPE STRING,
ALAR4 TYPE STRING,
ALTX4 TYPE STRING,
FEBKL TYPE STRING,
BEBKL TYPE STRING,
VROUT TYPE STRING,
VROTX TYPE STRING,
WDLGP TYPE STRING,
WDLTX TYPE STRING,
WDLRT TYPE STRING,
WDRTX TYPE STRING,
FINAN TYPE STRING,
STEUR TYPE STRING,
FINAN_TAB TYPE STRING,
STEUR_TAB TYPE STRING,
KONT_TAB TYPE STRING,
VTMOD_TAB TYPE STRING,
BAUST_TAB TYPE STRING,
ERROR_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPDAVMD0_S_MAIN_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_RPDAVMD0_S_MAIN_STR-ANLAR sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ANLTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BAUST sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BTMTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BEITG sy-vline 
WA_RPDAVMD0_S_MAIN_STR-WAERS sy-vline 
WA_RPDAVMD0_S_MAIN_STR-FEBEI sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ANTEI sy-vline 
WA_RPDAVMD0_S_MAIN_STR-FEANT sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BLART sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BLTXT sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BBAUS sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BBSTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALART sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALTXT sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALAR1 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALTX1 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALAR2 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALTX2 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALAR3 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALTX3 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALAR4 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ALTX4 sy-vline 
WA_RPDAVMD0_S_MAIN_STR-FEBKL sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BEBKL sy-vline 
WA_RPDAVMD0_S_MAIN_STR-VROUT sy-vline 
WA_RPDAVMD0_S_MAIN_STR-VROTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-WDLGP sy-vline 
WA_RPDAVMD0_S_MAIN_STR-WDLTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-WDLRT sy-vline 
WA_RPDAVMD0_S_MAIN_STR-WDRTX sy-vline 
WA_RPDAVMD0_S_MAIN_STR-FINAN sy-vline 
WA_RPDAVMD0_S_MAIN_STR-STEUR sy-vline 
WA_RPDAVMD0_S_MAIN_STR-FINAN_TAB sy-vline 
WA_RPDAVMD0_S_MAIN_STR-STEUR_TAB sy-vline 
WA_RPDAVMD0_S_MAIN_STR-KONT_TAB sy-vline 
WA_RPDAVMD0_S_MAIN_STR-VTMOD_TAB sy-vline 
WA_RPDAVMD0_S_MAIN_STR-BAUST_TAB sy-vline 
WA_RPDAVMD0_S_MAIN_STR-ERROR_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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