ABAP Select data from SAP table V_TVCPAAK_SSC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TVCPAAK_SSC
*  INTO TABLE @DATA(IT_V_TVCPAAK_SSC2).
*--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_V_TVCPAAK_SSC INDEX 1 INTO DATA(WA_V_TVCPAAK_SSC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TVCPAAK_SSC>-MANDT = 1.
<V_TVCPAAK_SSC>-AUARN = 1.
<V_TVCPAAK_SSC>-AUARV = 1.
<V_TVCPAAK_SSC>-FKARV = 1.
<V_TVCPAAK_SSC>-ETTYV = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TVCPAAK_SSC-PSTYV, sy-vline,
  WA_V_TVCPAAK_SSC-PSTYN, sy-vline,
  WA_V_TVCPAAK_SSC-GRBED, sy-vline,
  WA_V_TVCPAAK_SSC-GRUAK, sy-vline,
  WA_V_TVCPAAK_SSC-GRUAP, sy-vline,
  WA_V_TVCPAAK_SSC-GRUEP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TVCPAAK_SSC 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_V_TVCPAAK_SSC 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_V_TVCPAAK_SSC INTO WA_V_TVCPAAK_SSC.


*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 AUART, internal->external for field AUARN
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_TVCPAAK_SSC-AUARN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TVCPAAK_SSC-AUARN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUARV
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_V_TVCPAAK_SSC-AUARV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TVCPAAK_SSC-AUARV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_V_TVCPAAK_SSC-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TVCPAAK_SSC-SPRAS.
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_V_TVCPAAK_SSC_STR, 
MANDT TYPE STRING,
AUARN TYPE STRING,
AUARV TYPE STRING,
FKARV TYPE STRING,
ETTYV TYPE STRING,
PSTYV TYPE STRING,
PSTYN TYPE STRING,
GRBED TYPE STRING,
GRUAK TYPE STRING,
GRUAP TYPE STRING,
GRUEP TYPE STRING,
GRUKD TYPE STRING,
GRUPA TYPE STRING,
POSVO TYPE STRING,
ETTYN TYPE STRING,
ETKOP TYPE STRING,
GRPZE TYPE STRING,
SPRAS TYPE STRING,
VOREF TYPE STRING,
PLMIN TYPE STRING,
UPFLU TYPE STRING,
GRUKO TYPE STRING,
KNPRS TYPE STRING,
HINEU TYPE STRING,
GRUVE TYPE STRING,
VTEXTA TYPE STRING,
COPY_CCARD TYPE STRING,
DT_ROUTINE_NO_HEAD TYPE STRING,
CR_ROUTINE_NO_HEAD_SLS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TVCPAAK_SSC_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_V_TVCPAAK_SSC_STR-MANDT sy-vline 
WA_V_TVCPAAK_SSC_STR-AUARN sy-vline 
WA_V_TVCPAAK_SSC_STR-AUARV sy-vline 
WA_V_TVCPAAK_SSC_STR-FKARV sy-vline 
WA_V_TVCPAAK_SSC_STR-ETTYV sy-vline 
WA_V_TVCPAAK_SSC_STR-PSTYV sy-vline 
WA_V_TVCPAAK_SSC_STR-PSTYN sy-vline 
WA_V_TVCPAAK_SSC_STR-GRBED sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUAK sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUAP sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUEP sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUKD sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUPA sy-vline 
WA_V_TVCPAAK_SSC_STR-POSVO sy-vline 
WA_V_TVCPAAK_SSC_STR-ETTYN sy-vline 
WA_V_TVCPAAK_SSC_STR-ETKOP sy-vline 
WA_V_TVCPAAK_SSC_STR-GRPZE sy-vline 
WA_V_TVCPAAK_SSC_STR-SPRAS sy-vline 
WA_V_TVCPAAK_SSC_STR-VOREF sy-vline 
WA_V_TVCPAAK_SSC_STR-PLMIN sy-vline 
WA_V_TVCPAAK_SSC_STR-UPFLU sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUKO sy-vline 
WA_V_TVCPAAK_SSC_STR-KNPRS sy-vline 
WA_V_TVCPAAK_SSC_STR-HINEU sy-vline 
WA_V_TVCPAAK_SSC_STR-GRUVE sy-vline 
WA_V_TVCPAAK_SSC_STR-VTEXTA sy-vline 
WA_V_TVCPAAK_SSC_STR-COPY_CCARD sy-vline 
WA_V_TVCPAAK_SSC_STR-DT_ROUTINE_NO_HEAD sy-vline 
WA_V_TVCPAAK_SSC_STR-CR_ROUTINE_NO_HEAD_SLS sy-vline      INTO ld_text SEPARATED BY SPACE.

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