ABAP Select data from SAP table RM06A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RM06A 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 RM06A. 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 RM06A 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_RM06A TYPE STANDARD TABLE OF RM06A,
      WA_RM06A TYPE RM06A,
      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: <RM06A> TYPE RM06A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RM06A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RM06A
  INTO TABLE IT_RM06A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RM06A
*  INTO TABLE @DATA(IT_RM06A2).
*--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_RM06A INDEX 1 INTO DATA(WA_RM06A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RM06A ASSIGNING <RM06A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RM06A>-P_SORTIER = 1.
<RM06A>-P_AUSGABE = 1.
<RM06A>-P_ABCSATZ = 1.
<RM06A>-P_ABCBEZUG = 1.
<RM06A>-P_NACHUEB = 1.

ENDLOOP.

LOOP AT IT_RM06A INTO WA_RM06A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RM06A-P_FREIGABE, sy-vline,
  WA_RM06A-P_OFFMA, sy-vline,
  WA_RM06A-P_FRGVO, sy-vline,
  WA_RM06A-P_FRGSE, sy-vline,
  WA_RM06A-P_FRGRS, sy-vline,
  WA_RM06A-P_SORTKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RM06A 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_RM06A 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_RM06A INTO WA_RM06A.


*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_RM06A_STR, 
P_SORTIER TYPE STRING,
P_AUSGABE TYPE STRING,
P_ABCSATZ TYPE STRING,
P_ABCBEZUG TYPE STRING,
P_NACHUEB TYPE STRING,
P_FREIGABE TYPE STRING,
P_OFFMA TYPE STRING,
P_FRGVO TYPE STRING,
P_FRGSE TYPE STRING,
P_FRGRS TYPE STRING,
P_SORTKZ TYPE STRING,
P_ZUGEORDN TYPE STRING,
P_ERLEDIGT TYPE STRING,
P_TEILBEST TYPE STRING,
SZAEHLER TYPE STRING,
BZAEHLER TYPE STRING,
P_GULDT TYPE STRING,
P_RWEIT TYPE STRING,
OWEMG TYPE STRING,
OREMG TYPE STRING,
OWEWR TYPE STRING,
OREWR TYPE STRING,
OWEPZ TYPE STRING,
OREPZ TYPE STRING,
SETMG TYPE STRING,
LAGMG TYPE STRING,
OFZMG TYPE STRING,
SWEMG TYPE STRING,
PROTO TYPE STRING,
LANDKEY TYPE STRING,
LIEFER TYPE STRING,
MATNR TYPE STRING,
SCHLNR TYPE STRING,
BNDLD TYPE STRING,
P_SEKORG TYPE STRING,
P_SEKGRP TYPE STRING,
P_SLIFNR TYPE STRING,
P_SWERKS TYPE STRING,
P_SMATKL TYPE STRING,
P_SMATNR TYPE STRING,
P_ANETWR TYPE STRING,
P_ADWPOS TYPE STRING,
P_ADWBES TYPE STRING,
P_AAZPOS TYPE STRING,
P_AAZBES TYPE STRING,
P_ABCSATZ2 TYPE STRING,
P_ABCNETWR TYPE STRING,
P_ABCDWPOS TYPE STRING,
P_ABCDWBES TYPE STRING,
P_ABCAZPOS TYPE STRING,
P_ABCAZBES TYPE STRING,
P_DAT1V TYPE STRING,
P_DAT1B TYPE STRING,
P_DAT2V TYPE STRING,
P_DAT2B TYPE STRING,
P_NETW1 TYPE STRING,
P_NETW2 TYPE STRING,
P_NETW3 TYPE STRING,
P_NETW4 TYPE STRING,
P_INTER TYPE STRING,
P_TEXTE TYPE STRING,
P_DIALOG TYPE STRING,
P_UPDKZ TYPE STRING,
P_1STEP TYPE STRING,
P_PROTD TYPE STRING,
P_DETAI TYPE STRING,
P_VRTYP TYPE STRING,
P_POSERR TYPE STRING,
P_GRUPP TYPE STRING,
P_TYPKU TYPE STRING,
P_ANGAB TYPE STRING,
P_DPROT TYPE STRING,
P_TESTL TYPE STRING,
P_AVIS TYPE STRING,
NULWE TYPE STRING,
NULME TYPE STRING,
SET_EBAKZ TYPE STRING,
P_SELGS TYPE STRING,
P_SELPO TYPE STRING,
P_FORD TYPE STRING,
P_MITPOS TYPE STRING,
P_ETERZ TYPE STRING,
P_MEMORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RM06A_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_RM06A_STR-P_SORTIER sy-vline 
WA_RM06A_STR-P_AUSGABE sy-vline 
WA_RM06A_STR-P_ABCSATZ sy-vline 
WA_RM06A_STR-P_ABCBEZUG sy-vline 
WA_RM06A_STR-P_NACHUEB sy-vline 
WA_RM06A_STR-P_FREIGABE sy-vline 
WA_RM06A_STR-P_OFFMA sy-vline 
WA_RM06A_STR-P_FRGVO sy-vline 
WA_RM06A_STR-P_FRGSE sy-vline 
WA_RM06A_STR-P_FRGRS sy-vline 
WA_RM06A_STR-P_SORTKZ sy-vline 
WA_RM06A_STR-P_ZUGEORDN sy-vline 
WA_RM06A_STR-P_ERLEDIGT sy-vline 
WA_RM06A_STR-P_TEILBEST sy-vline 
WA_RM06A_STR-SZAEHLER sy-vline 
WA_RM06A_STR-BZAEHLER sy-vline 
WA_RM06A_STR-P_GULDT sy-vline 
WA_RM06A_STR-P_RWEIT sy-vline 
WA_RM06A_STR-OWEMG sy-vline 
WA_RM06A_STR-OREMG sy-vline 
WA_RM06A_STR-OWEWR sy-vline 
WA_RM06A_STR-OREWR sy-vline 
WA_RM06A_STR-OWEPZ sy-vline 
WA_RM06A_STR-OREPZ sy-vline 
WA_RM06A_STR-SETMG sy-vline 
WA_RM06A_STR-LAGMG sy-vline 
WA_RM06A_STR-OFZMG sy-vline 
WA_RM06A_STR-SWEMG sy-vline 
WA_RM06A_STR-PROTO sy-vline 
WA_RM06A_STR-LANDKEY sy-vline 
WA_RM06A_STR-LIEFER sy-vline 
WA_RM06A_STR-MATNR sy-vline 
WA_RM06A_STR-SCHLNR sy-vline 
WA_RM06A_STR-BNDLD sy-vline 
WA_RM06A_STR-P_SEKORG sy-vline 
WA_RM06A_STR-P_SEKGRP sy-vline 
WA_RM06A_STR-P_SLIFNR sy-vline 
WA_RM06A_STR-P_SWERKS sy-vline 
WA_RM06A_STR-P_SMATKL sy-vline 
WA_RM06A_STR-P_SMATNR sy-vline 
WA_RM06A_STR-P_ANETWR sy-vline 
WA_RM06A_STR-P_ADWPOS sy-vline 
WA_RM06A_STR-P_ADWBES sy-vline 
WA_RM06A_STR-P_AAZPOS sy-vline 
WA_RM06A_STR-P_AAZBES sy-vline 
WA_RM06A_STR-P_ABCSATZ2 sy-vline 
WA_RM06A_STR-P_ABCNETWR sy-vline 
WA_RM06A_STR-P_ABCDWPOS sy-vline 
WA_RM06A_STR-P_ABCDWBES sy-vline 
WA_RM06A_STR-P_ABCAZPOS sy-vline 
WA_RM06A_STR-P_ABCAZBES sy-vline 
WA_RM06A_STR-P_DAT1V sy-vline 
WA_RM06A_STR-P_DAT1B sy-vline 
WA_RM06A_STR-P_DAT2V sy-vline 
WA_RM06A_STR-P_DAT2B sy-vline 
WA_RM06A_STR-P_NETW1 sy-vline 
WA_RM06A_STR-P_NETW2 sy-vline 
WA_RM06A_STR-P_NETW3 sy-vline 
WA_RM06A_STR-P_NETW4 sy-vline 
WA_RM06A_STR-P_INTER sy-vline 
WA_RM06A_STR-P_TEXTE sy-vline 
WA_RM06A_STR-P_DIALOG sy-vline 
WA_RM06A_STR-P_UPDKZ sy-vline 
WA_RM06A_STR-P_1STEP sy-vline 
WA_RM06A_STR-P_PROTD sy-vline 
WA_RM06A_STR-P_DETAI sy-vline 
WA_RM06A_STR-P_VRTYP sy-vline 
WA_RM06A_STR-P_POSERR sy-vline 
WA_RM06A_STR-P_GRUPP sy-vline 
WA_RM06A_STR-P_TYPKU sy-vline 
WA_RM06A_STR-P_ANGAB sy-vline 
WA_RM06A_STR-P_DPROT sy-vline 
WA_RM06A_STR-P_TESTL sy-vline 
WA_RM06A_STR-P_AVIS sy-vline 
WA_RM06A_STR-NULWE sy-vline 
WA_RM06A_STR-NULME sy-vline 
WA_RM06A_STR-SET_EBAKZ sy-vline 
WA_RM06A_STR-P_SELGS sy-vline 
WA_RM06A_STR-P_SELPO sy-vline 
WA_RM06A_STR-P_FORD sy-vline 
WA_RM06A_STR-P_MITPOS sy-vline 
WA_RM06A_STR-P_ETERZ sy-vline 
WA_RM06A_STR-P_MEMORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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