ABAP Select data from SAP table RPLRZBD0_ALV_EINMAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPLRZBD0_ALV_EINMAL 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 RPLRZBD0_ALV_EINMAL. 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 RPLRZBD0_ALV_EINMAL 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_RPLRZBD0_ALV_EINMAL TYPE STANDARD TABLE OF RPLRZBD0_ALV_EINMAL,
      WA_RPLRZBD0_ALV_EINMAL TYPE RPLRZBD0_ALV_EINMAL,
      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: <RPLRZBD0_ALV_EINMAL> TYPE RPLRZBD0_ALV_EINMAL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPLRZBD0_ALV_EINMAL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPLRZBD0_ALV_EINMAL
  INTO TABLE IT_RPLRZBD0_ALV_EINMAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPLRZBD0_ALV_EINMAL
*  INTO TABLE @DATA(IT_RPLRZBD0_ALV_EINMAL2).
*--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_RPLRZBD0_ALV_EINMAL INDEX 1 INTO DATA(WA_RPLRZBD0_ALV_EINMAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPLRZBD0_ALV_EINMAL ASSIGNING <RPLRZBD0_ALV_EINMAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPLRZBD0_ALV_EINMAL>-PERNR = 1.
<RPLRZBD0_ALV_EINMAL>-ICON_MESSAGE = 1.
<RPLRZBD0_ALV_EINMAL>-NT_TEXT = 1.
<RPLRZBD0_ALV_EINMAL>-DTBEZ = 1.
<RPLRZBD0_ALV_EINMAL>-KOPFS = 1.

ENDLOOP.

LOOP AT IT_RPLRZBD0_ALV_EINMAL INTO WA_RPLRZBD0_ALV_EINMAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPLRZBD0_ALV_EINMAL-AMKEZ, sy-vline,
  WA_RPLRZBD0_ALV_EINMAL-AMAKZ, sy-vline,
  WA_RPLRZBD0_ALV_EINMAL-SAAKZ, sy-vline,
  WA_RPLRZBD0_ALV_EINMAL-LEISZ, sy-vline,
  WA_RPLRZBD0_ALV_EINMAL-ANFRA, sy-vline,
  WA_RPLRZBD0_ALV_EINMAL-GRDAC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPLRZBD0_ALV_EINMAL 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_RPLRZBD0_ALV_EINMAL 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_RPLRZBD0_ALV_EINMAL INTO WA_RPLRZBD0_ALV_EINMAL.


*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_RPLRZBD0_ALV_EINMAL_STR, 
PERNR TYPE STRING,
ICON_MESSAGE TYPE STRING,
NT_TEXT TYPE STRING,
DTBEZ TYPE STRING,
KOPFS TYPE STRING,
AMKEZ TYPE STRING,
AMAKZ TYPE STRING,
SAAKZ TYPE STRING,
LEISZ TYPE STRING,
ANFRA TYPE STRING,
GRDAC TYPE STRING,
RUECK TYPE STRING,
ANZHL TYPE STRING,
LZFE TYPE STRING,
RES1 TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
GBDAT TYPE STRING,
GBNAM TYPE STRING,
RES2 TYPE STRING,
STRAS TYPE STRING,
HAUSN TYPE STRING,
PSTLZ TYPE STRING,
ORT TYPE STRING,
PABNR TYPE STRING,
VSNUM TYPE STRING,
AT TYPE STRING,
RES3 TYPE STRING,
RES4 TYPE STRING,
RES5 TYPE STRING,
RES6 TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPLRZBD0_ALV_EINMAL_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_RPLRZBD0_ALV_EINMAL_STR-PERNR sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-ICON_MESSAGE sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-NT_TEXT sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-DTBEZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-KOPFS sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-AMKEZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-AMAKZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-SAAKZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-LEISZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-ANFRA sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-GRDAC sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RUECK sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-ANZHL sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-LZFE sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES1 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-NACHN sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-VORNA sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-GBDAT sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-GBNAM sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES2 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-STRAS sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-HAUSN sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-PSTLZ sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-ORT sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-PABNR sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-VSNUM sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-AT sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES3 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES4 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES5 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-RES6 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGTY sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGID sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGNO sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGV1 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGV2 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGV3 sy-vline 
WA_RPLRZBD0_ALV_EINMAL_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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