ABAP Select data from SAP table RECNVIMIUH_DI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECNVIMIUH_DI
*  INTO TABLE @DATA(IT_RECNVIMIUH_DI2).
*--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_RECNVIMIUH_DI INDEX 1 INTO DATA(WA_RECNVIMIUH_DI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECNVIMIUH_DI>-VIMIUH_EMPTY = 1.
<RECNVIMIUH_DI>-SKOART_UM = 1.
<RECNVIMIUH_DI>-DGUELTIG = 1.
<RECNVIMIUH_DI>-BUMSPROJ = 1.
<RECNVIMIUH_DI>-BMINUMS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECNVIMIUH_DI-AMELDIN, sy-vline,
  WA_RECNVIMIUH_DI-PPROZ0, sy-vline,
  WA_RECNVIMIUH_DI-NETTO_KZ, sy-vline,
  WA_RECNVIMIUH_DI-MMINUMS, sy-vline,
  WA_RECNVIMIUH_DI-MMAXUMS, sy-vline,
  WA_RECNVIMIUH_DI-GESUMSATZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECNVIMIUH_DI 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_RECNVIMIUH_DI 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_RECNVIMIUH_DI INTO WA_RECNVIMIUH_DI.


*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_RECNVIMIUH_DI_STR, 
VIMIUH_EMPTY TYPE STRING,
SKOART_UM TYPE STRING,
DGUELTIG TYPE STRING,
BUMSPROJ TYPE STRING,
BMINUMS TYPE STRING,
AMELDIN TYPE STRING,
PPROZ0 TYPE STRING,
NETTO_KZ TYPE STRING,
MMINUMS TYPE STRING,
MMAXUMS TYPE STRING,
GESUMSATZ TYPE STRING,
ABRVAR TYPE STRING,
UEINHEIT TYPE STRING,
UMINUMS TYPE STRING,
UPLANUMS TYPE STRING,
BUMSATZ1 TYPE STRING,
BUMSATZ2 TYPE STRING,
PPROZ TYPE STRING,
BETRAG TYPE STRING,
UUMSATZ1 TYPE STRING,
UUMSATZ2 TYPE STRING,
UEBETRAG TYPE STRING,
SUMSABGRVERF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECNVIMIUH_DI_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_RECNVIMIUH_DI_STR-VIMIUH_EMPTY sy-vline 
WA_RECNVIMIUH_DI_STR-SKOART_UM sy-vline 
WA_RECNVIMIUH_DI_STR-DGUELTIG sy-vline 
WA_RECNVIMIUH_DI_STR-BUMSPROJ sy-vline 
WA_RECNVIMIUH_DI_STR-BMINUMS sy-vline 
WA_RECNVIMIUH_DI_STR-AMELDIN sy-vline 
WA_RECNVIMIUH_DI_STR-PPROZ0 sy-vline 
WA_RECNVIMIUH_DI_STR-NETTO_KZ sy-vline 
WA_RECNVIMIUH_DI_STR-MMINUMS sy-vline 
WA_RECNVIMIUH_DI_STR-MMAXUMS sy-vline 
WA_RECNVIMIUH_DI_STR-GESUMSATZ sy-vline 
WA_RECNVIMIUH_DI_STR-ABRVAR sy-vline 
WA_RECNVIMIUH_DI_STR-UEINHEIT sy-vline 
WA_RECNVIMIUH_DI_STR-UMINUMS sy-vline 
WA_RECNVIMIUH_DI_STR-UPLANUMS sy-vline 
WA_RECNVIMIUH_DI_STR-BUMSATZ1 sy-vline 
WA_RECNVIMIUH_DI_STR-BUMSATZ2 sy-vline 
WA_RECNVIMIUH_DI_STR-PPROZ sy-vline 
WA_RECNVIMIUH_DI_STR-BETRAG sy-vline 
WA_RECNVIMIUH_DI_STR-UUMSATZ1 sy-vline 
WA_RECNVIMIUH_DI_STR-UUMSATZ2 sy-vline 
WA_RECNVIMIUH_DI_STR-UEBETRAG sy-vline 
WA_RECNVIMIUH_DI_STR-SUMSABGRVERF sy-vline      INTO ld_text SEPARATED BY SPACE.

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