ABAP Select data from SAP table NSDM_V_SAPNEA_RO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NSDM_V_SAPNEA_RO
*  INTO TABLE @DATA(IT_NSDM_V_SAPNEA_RO2).
*--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_NSDM_V_SAPNEA_RO INDEX 1 INTO DATA(WA_NSDM_V_SAPNEA_RO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NSDM_V_SAPNEA_RO>-MANDT = 1.
<NSDM_V_SAPNEA_RO>-MBLNR = 1.
<NSDM_V_SAPNEA_RO>-MJAHR = 1.
<NSDM_V_SAPNEA_RO>-ZEILE = 1.
<NSDM_V_SAPNEA_RO>-STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NSDM_V_SAPNEA_RO-BLDAT, sy-vline,
  WA_NSDM_V_SAPNEA_RO-BUDAT, sy-vline,
  WA_NSDM_V_SAPNEA_RO-BUKRS, sy-vline,
  WA_NSDM_V_SAPNEA_RO-SOBKZ, sy-vline,
  WA_NSDM_V_SAPNEA_RO-LIFNR, sy-vline,
  WA_NSDM_V_SAPNEA_RO-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NSDM_V_SAPNEA_RO 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_NSDM_V_SAPNEA_RO 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_NSDM_V_SAPNEA_RO INTO WA_NSDM_V_SAPNEA_RO.


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

*Conversion exit GJAHR, internal->external for field MJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_V_SAPNEA_RO-MJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_V_SAPNEA_RO-MJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_V_SAPNEA_RO-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_V_SAPNEA_RO-BSTME.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_V_SAPNEA_RO-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_V_SAPNEA_RO-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_V_SAPNEA_RO-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_V_SAPNEA_RO-MEINS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NSDM_V_SAPNEA_RO-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NSDM_V_SAPNEA_RO-VBELN.
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_NSDM_V_SAPNEA_RO_STR, 
MANDT TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
STATUS TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
BUKRS TYPE STRING,
SOBKZ TYPE STRING,
LIFNR TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
SHKZG TYPE STRING,
GSBER TYPE STRING,
BWAER TYPE STRING,
WRBTR TYPE STRING,
BSTME TYPE STRING,
BSTMG TYPE STRING,
HKONT TYPE STRING,
MWSKZ TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
NAVNW TYPE STRING,
PRCTR TYPE STRING,
BWART TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
WAERS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
BKLAS TYPE STRING,
CKONT TYPE STRING,
ABWHK TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
CCBTR TYPE STRING,
VGART TYPE STRING,
XBLNR TYPE STRING,
EMLIF TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
MVCTG TYPE STRING,
BWTAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NSDM_V_SAPNEA_RO_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_NSDM_V_SAPNEA_RO_STR-MANDT sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MBLNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MJAHR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-ZEILE sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-STATUS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BLDAT sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BUDAT sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BUKRS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-SOBKZ sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-LIFNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-WERKS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MATNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-SHKZG sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-GSBER sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BWAER sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-WRBTR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BSTME sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BSTMG sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-HKONT sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MWSKZ sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BELNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-GJAHR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BUZEI sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-NAVNW sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-PRCTR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BWART sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MENGE sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MEINS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-WAERS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-EBELN sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-EBELP sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BKLAS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-CKONT sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-ABWHK sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-PREIS sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-PEINH sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-CCBTR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-VGART sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-XBLNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-EMLIF sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-VBELN sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-POSNR sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-MVCTG sy-vline 
WA_NSDM_V_SAPNEA_RO_STR-BWTAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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