ABAP Select data from SAP table VSRSADD_CN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VSRSADD_CN
*  INTO TABLE @DATA(IT_VSRSADD_CN2).
*--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_VSRSADD_CN INDEX 1 INTO DATA(WA_VSRSADD_CN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VSRSADD_CN>-MANDT = 1.
<VSRSADD_CN>-VSNMR = 1.
<VSRSADD_CN>-RSNUM = 1.
<VSRSADD_CN>-RSPOS = 1.
<VSRSADD_CN>-RSART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VSRSADD_CN-AFNAM, sy-vline,
  WA_VSRSADD_CN-BEDNR, sy-vline,
  WA_VSRSADD_CN-KZFIX, sy-vline,
  WA_VSRSADD_CN-KUNNR, sy-vline,
  WA_VSRSADD_CN-EMLIF, sy-vline,
  WA_VSRSADD_CN-ADRN2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VSRSADD_CN 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_VSRSADD_CN 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_VSRSADD_CN INTO WA_VSRSADD_CN.


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

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

*Conversion exit ALPHA, internal->external for field ADRN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VSRSADD_CN-ADRN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSRSADD_CN-ADRN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field WKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_VSRSADD_CN-WKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSRSADD_CN-WKURS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field BSTLN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_VSRSADD_CN-BSTLN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSRSADD_CN-BSTLN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MFRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VSRSADD_CN-MFRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VSRSADD_CN-MFRNR.
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_VSRSADD_CN_STR, 
MANDT TYPE STRING,
VSNMR TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
AFNAM TYPE STRING,
BEDNR TYPE STRING,
KZFIX TYPE STRING,
KUNNR TYPE STRING,
EMLIF TYPE STRING,
ADRN2 TYPE STRING,
KALNR TYPE STRING,
KLVAR TYPE STRING,
WKURS TYPE STRING,
RSCOMP TYPE STRING,
MFLIC TYPE STRING,
FPLNR TYPE STRING,
FLIEF TYPE STRING,
BSTLN TYPE STRING,
BSTLT TYPE STRING,
STKAN TYPE STRING,
GUID TYPE STRING,
GUID_16 TYPE STRING,
EKORG TYPE STRING,
SOBSL TYPE STRING,
STRECKE TYPE STRING,
CREADAT TYPE STRING,
CREABY TYPE STRING,
PPE_EXTERN_KEY TYPE STRING,
CHANGEBY TYPE STRING,
CHANGEDAT TYPE STRING,
BRTDATE TYPE STRING,
IDNLF TYPE STRING,
MFRPN TYPE STRING,
MFRNR TYPE STRING,
CATALOGID TYPE STRING,
CATALOG_PROD_ID TYPE STRING,
OVERALLLIMITAMOUNT TYPE STRING,
EXPECTEDOVERALLLIMITAMOUNT TYPE STRING,
EEW_RSADD_PS_DUMMY TYPE STRING,
MCN33 TYPE STRING,
ADPIC_REF_RSPOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VSRSADD_CN_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_VSRSADD_CN_STR-MANDT sy-vline 
WA_VSRSADD_CN_STR-VSNMR sy-vline 
WA_VSRSADD_CN_STR-RSNUM sy-vline 
WA_VSRSADD_CN_STR-RSPOS sy-vline 
WA_VSRSADD_CN_STR-RSART sy-vline 
WA_VSRSADD_CN_STR-AFNAM sy-vline 
WA_VSRSADD_CN_STR-BEDNR sy-vline 
WA_VSRSADD_CN_STR-KZFIX sy-vline 
WA_VSRSADD_CN_STR-KUNNR sy-vline 
WA_VSRSADD_CN_STR-EMLIF sy-vline 
WA_VSRSADD_CN_STR-ADRN2 sy-vline 
WA_VSRSADD_CN_STR-KALNR sy-vline 
WA_VSRSADD_CN_STR-KLVAR sy-vline 
WA_VSRSADD_CN_STR-WKURS sy-vline 
WA_VSRSADD_CN_STR-RSCOMP sy-vline 
WA_VSRSADD_CN_STR-MFLIC sy-vline 
WA_VSRSADD_CN_STR-FPLNR sy-vline 
WA_VSRSADD_CN_STR-FLIEF sy-vline 
WA_VSRSADD_CN_STR-BSTLN sy-vline 
WA_VSRSADD_CN_STR-BSTLT sy-vline 
WA_VSRSADD_CN_STR-STKAN sy-vline 
WA_VSRSADD_CN_STR-GUID sy-vline 
WA_VSRSADD_CN_STR-GUID_16 sy-vline 
WA_VSRSADD_CN_STR-EKORG sy-vline 
WA_VSRSADD_CN_STR-SOBSL sy-vline 
WA_VSRSADD_CN_STR-STRECKE sy-vline 
WA_VSRSADD_CN_STR-CREADAT sy-vline 
WA_VSRSADD_CN_STR-CREABY sy-vline 
WA_VSRSADD_CN_STR-PPE_EXTERN_KEY sy-vline 
WA_VSRSADD_CN_STR-CHANGEBY sy-vline 
WA_VSRSADD_CN_STR-CHANGEDAT sy-vline 
WA_VSRSADD_CN_STR-BRTDATE sy-vline 
WA_VSRSADD_CN_STR-IDNLF sy-vline 
WA_VSRSADD_CN_STR-MFRPN sy-vline 
WA_VSRSADD_CN_STR-MFRNR sy-vline 
WA_VSRSADD_CN_STR-CATALOGID sy-vline 
WA_VSRSADD_CN_STR-CATALOG_PROD_ID sy-vline 
WA_VSRSADD_CN_STR-OVERALLLIMITAMOUNT sy-vline 
WA_VSRSADD_CN_STR-EXPECTEDOVERALLLIMITAMOUNT sy-vline 
WA_VSRSADD_CN_STR-EEW_RSADD_PS_DUMMY sy-vline 
WA_VSRSADD_CN_STR-MCN33 sy-vline 
WA_VSRSADD_CN_STR-ADPIC_REF_RSPOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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