ABAP Select data from SAP table RNIPPX_ALL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RNIPPX_ALL
*  INTO TABLE @DATA(IT_RNIPPX_ALL2).
*--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_RNIPPX_ALL INDEX 1 INTO DATA(WA_RNIPPX_ALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RNIPPX_ALL>-IPPNO = 1.
<RNIPPX_ALL>-VKGID = 1.
<RNIPPX_ALL>-VKGID_X = 1.
<RNIPPX_ALL>-EINRI = 1.
<RNIPPX_ALL>-EINRI_X = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RNIPPX_ALL-IPID, sy-vline,
  WA_RNIPPX_ALL-IPID_X, sy-vline,
  WA_RNIPPX_ALL-LFDVV, sy-vline,
  WA_RNIPPX_ALL-LFDVV_X, sy-vline,
  WA_RNIPPX_ALL-KNAME, sy-vline,
  WA_RNIPPX_ALL-KNAME_X, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RNIPPX_ALL 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_RNIPPX_ALL 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_RNIPPX_ALL INTO WA_RNIPPX_ALL.


*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 EINRI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RNIPPX_ALL-EINRI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RNIPPX_ALL-EINRI.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit RANGF, internal->external for field RANGF
CALL FUNCTION 'CONVERSION_EXIT_RANGF_OUTPUT'
  EXPORTING
    input =                      WA_RNIPPX_ALL-RANGF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RNIPPX_ALL-RANGF.
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_RNIPPX_ALL_STR, 
IPPNO TYPE STRING,
VKGID TYPE STRING,
VKGID_X TYPE STRING,
EINRI TYPE STRING,
EINRI_X TYPE STRING,
IPID TYPE STRING,
IPID_X TYPE STRING,
LFDVV TYPE STRING,
LFDVV_X TYPE STRING,
KNAME TYPE STRING,
KNAME_X TYPE STRING,
VNUMM TYPE STRING,
VNUMM_X TYPE STRING,
RANGF TYPE STRING,
RANGF_X TYPE STRING,
MGART TYPE STRING,
MGART_X TYPE STRING,
VZUZA TYPE STRING,
VZUZA_X TYPE STRING,
VERBI TYPE STRING,
VERBI_X TYPE STRING,
VKNR TYPE STRING,
VKNR_X TYPE STRING,
VSTAT TYPE STRING,
VSTAT_X TYPE STRING,
VSTER TYPE STRING,
VSTER_X TYPE STRING,
VSCOD TYPE STRING,
VSCOD_X TYPE STRING,
KVDAT TYPE STRING,
KVDAT_X TYPE STRING,
PCARD TYPE STRING,
PCARD_X TYPE STRING,
CORDERID TYPE STRING,
CORDERID_X TYPE STRING,
VKZML TYPE STRING,
VKZML_X TYPE STRING,
VKTITEL TYPE STRING,
VKTITEL_X TYPE STRING,
VKVNAM TYPE STRING,
VKVNAM_X TYPE STRING,
VKNZU TYPE STRING,
VKNZU_X TYPE STRING,
VKNNAM TYPE STRING,
VKNNAM_X TYPE STRING,
VKGBDAT TYPE STRING,
VKGBDAT_X TYPE STRING,
VKSTRAS TYPE STRING,
VKSTRAS_X TYPE STRING,
VKLAND TYPE STRING,
VKLAND_X TYPE STRING,
VKPLZ TYPE STRING,
VKPLZ_X TYPE STRING,
VKORT TYPE STRING,
VKORT_X TYPE STRING,
INSID TYPE STRING,
INSID_X TYPE STRING,
VKUNKNOWN_GBDAT TYPE STRING,
VKUNKNOWN_GBDAT_X TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RNIPPX_ALL_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_RNIPPX_ALL_STR-IPPNO sy-vline 
WA_RNIPPX_ALL_STR-VKGID sy-vline 
WA_RNIPPX_ALL_STR-VKGID_X sy-vline 
WA_RNIPPX_ALL_STR-EINRI sy-vline 
WA_RNIPPX_ALL_STR-EINRI_X sy-vline 
WA_RNIPPX_ALL_STR-IPID sy-vline 
WA_RNIPPX_ALL_STR-IPID_X sy-vline 
WA_RNIPPX_ALL_STR-LFDVV sy-vline 
WA_RNIPPX_ALL_STR-LFDVV_X sy-vline 
WA_RNIPPX_ALL_STR-KNAME sy-vline 
WA_RNIPPX_ALL_STR-KNAME_X sy-vline 
WA_RNIPPX_ALL_STR-VNUMM sy-vline 
WA_RNIPPX_ALL_STR-VNUMM_X sy-vline 
WA_RNIPPX_ALL_STR-RANGF sy-vline 
WA_RNIPPX_ALL_STR-RANGF_X sy-vline 
WA_RNIPPX_ALL_STR-MGART sy-vline 
WA_RNIPPX_ALL_STR-MGART_X sy-vline 
WA_RNIPPX_ALL_STR-VZUZA sy-vline 
WA_RNIPPX_ALL_STR-VZUZA_X sy-vline 
WA_RNIPPX_ALL_STR-VERBI sy-vline 
WA_RNIPPX_ALL_STR-VERBI_X sy-vline 
WA_RNIPPX_ALL_STR-VKNR sy-vline 
WA_RNIPPX_ALL_STR-VKNR_X sy-vline 
WA_RNIPPX_ALL_STR-VSTAT sy-vline 
WA_RNIPPX_ALL_STR-VSTAT_X sy-vline 
WA_RNIPPX_ALL_STR-VSTER sy-vline 
WA_RNIPPX_ALL_STR-VSTER_X sy-vline 
WA_RNIPPX_ALL_STR-VSCOD sy-vline 
WA_RNIPPX_ALL_STR-VSCOD_X sy-vline 
WA_RNIPPX_ALL_STR-KVDAT sy-vline 
WA_RNIPPX_ALL_STR-KVDAT_X sy-vline 
WA_RNIPPX_ALL_STR-PCARD sy-vline 
WA_RNIPPX_ALL_STR-PCARD_X sy-vline 
WA_RNIPPX_ALL_STR-CORDERID sy-vline 
WA_RNIPPX_ALL_STR-CORDERID_X sy-vline 
WA_RNIPPX_ALL_STR-VKZML sy-vline 
WA_RNIPPX_ALL_STR-VKZML_X sy-vline 
WA_RNIPPX_ALL_STR-VKTITEL sy-vline 
WA_RNIPPX_ALL_STR-VKTITEL_X sy-vline 
WA_RNIPPX_ALL_STR-VKVNAM sy-vline 
WA_RNIPPX_ALL_STR-VKVNAM_X sy-vline 
WA_RNIPPX_ALL_STR-VKNZU sy-vline 
WA_RNIPPX_ALL_STR-VKNZU_X sy-vline 
WA_RNIPPX_ALL_STR-VKNNAM sy-vline 
WA_RNIPPX_ALL_STR-VKNNAM_X sy-vline 
WA_RNIPPX_ALL_STR-VKGBDAT sy-vline 
WA_RNIPPX_ALL_STR-VKGBDAT_X sy-vline 
WA_RNIPPX_ALL_STR-VKSTRAS sy-vline 
WA_RNIPPX_ALL_STR-VKSTRAS_X sy-vline 
WA_RNIPPX_ALL_STR-VKLAND sy-vline 
WA_RNIPPX_ALL_STR-VKLAND_X sy-vline 
WA_RNIPPX_ALL_STR-VKPLZ sy-vline 
WA_RNIPPX_ALL_STR-VKPLZ_X sy-vline 
WA_RNIPPX_ALL_STR-VKORT sy-vline 
WA_RNIPPX_ALL_STR-VKORT_X sy-vline 
WA_RNIPPX_ALL_STR-INSID sy-vline 
WA_RNIPPX_ALL_STR-INSID_X sy-vline 
WA_RNIPPX_ALL_STR-VKUNKNOWN_GBDAT sy-vline 
WA_RNIPPX_ALL_STR-VKUNKNOWN_GBDAT_X sy-vline      INTO ld_text SEPARATED BY SPACE.

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