ABAP Select data from SAP table RFMMMSEABASIC_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFMMMSEABASIC_V
*  INTO TABLE @DATA(IT_RFMMMSEABASIC_V2).
*--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_RFMMMSEABASIC_V INDEX 1 INTO DATA(WA_RFMMMSEABASIC_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFMMMSEABASIC_V>-MANDT = 1.
<RFMMMSEABASIC_V>-EBELN = 1.
<RFMMMSEABASIC_V>-EBELP = 1.
<RFMMMSEABASIC_V>-EINDT = 1.
<RFMMMSEABASIC_V>-BEDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFMMMSEABASIC_V-MATNR, sy-vline,
  WA_RFMMMSEABASIC_V-SATNR, sy-vline,
  WA_RFMMMSEABASIC_V-SGT_SCAT, sy-vline,
  WA_RFMMMSEABASIC_V-FSH_SEASON_YEAR, sy-vline,
  WA_RFMMMSEABASIC_V-FSH_SEASON, sy-vline,
  WA_RFMMMSEABASIC_V-FSH_COLLECTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFMMMSEABASIC_V 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_RFMMMSEABASIC_V 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_RFMMMSEABASIC_V INTO WA_RFMMMSEABASIC_V.


*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.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFMMMSEABASIC_V-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMMMSEABASIC_V-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFMMMSEABASIC_V-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMMMSEABASIC_V-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RFMMMSEABASIC_V-SATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMMMSEABASIC_V-SATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RFMMMSEABASIC_V-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RFMMMSEABASIC_V-KUNNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_RFMMMSEABASIC_V_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
EINDT TYPE STRING,
BEDAT TYPE STRING,
MATNR TYPE STRING,
SATNR TYPE STRING,
SGT_SCAT TYPE STRING,
FSH_SEASON_YEAR TYPE STRING,
FSH_SEASON TYPE STRING,
FSH_COLLECTION TYPE STRING,
FSH_THEME TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
KUNNR TYPE STRING,
LAND1 TYPE STRING,
REGIO TYPE STRING,
KDGRP TYPE STRING,
BZIRK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFMMMSEABASIC_V_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_RFMMMSEABASIC_V_STR-MANDT sy-vline 
WA_RFMMMSEABASIC_V_STR-EBELN sy-vline 
WA_RFMMMSEABASIC_V_STR-EBELP sy-vline 
WA_RFMMMSEABASIC_V_STR-EINDT sy-vline 
WA_RFMMMSEABASIC_V_STR-BEDAT sy-vline 
WA_RFMMMSEABASIC_V_STR-MATNR sy-vline 
WA_RFMMMSEABASIC_V_STR-SATNR sy-vline 
WA_RFMMMSEABASIC_V_STR-SGT_SCAT sy-vline 
WA_RFMMMSEABASIC_V_STR-FSH_SEASON_YEAR sy-vline 
WA_RFMMMSEABASIC_V_STR-FSH_SEASON sy-vline 
WA_RFMMMSEABASIC_V_STR-FSH_COLLECTION sy-vline 
WA_RFMMMSEABASIC_V_STR-FSH_THEME sy-vline 
WA_RFMMMSEABASIC_V_STR-VKORG sy-vline 
WA_RFMMMSEABASIC_V_STR-VTWEG sy-vline 
WA_RFMMMSEABASIC_V_STR-KUNNR sy-vline 
WA_RFMMMSEABASIC_V_STR-LAND1 sy-vline 
WA_RFMMMSEABASIC_V_STR-REGIO sy-vline 
WA_RFMMMSEABASIC_V_STR-KDGRP sy-vline 
WA_RFMMMSEABASIC_V_STR-BZIRK sy-vline      INTO ld_text SEPARATED BY SPACE.

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