ABAP Select data from SAP table VIYCSTLMTRCOST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIYCSTLMTRCOST
*  INTO TABLE @DATA(IT_VIYCSTLMTRCOST2).
*--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_VIYCSTLMTRCOST INDEX 1 INTO DATA(WA_VIYCSTLMTRCOST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIYCSTLMTRCOST>-MANDT = 1.
<VIYCSTLMTRCOST>-SETTL_MS_GUID = 1.
<VIYCSTLMTRCOST>-SETTL_GUID = 1.
<VIYCSTLMTRCOST>-CAM_MS_GUID = 1.
<VIYCSTLMTRCOST>-OBJNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIYCSTLMTRCOST-AMOUNTTYPE, sy-vline,
  WA_VIYCSTLMTRCOST-RO_OBJNR, sy-vline,
  WA_VIYCSTLMTRCOST-KSTAR, sy-vline,
  WA_VIYCSTLMTRCOST-PGOBJNR, sy-vline,
  WA_VIYCSTLMTRCOST-EXPTYPE, sy-vline,
  WA_VIYCSTLMTRCOST-CNOBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIYCSTLMTRCOST 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_VIYCSTLMTRCOST 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_VIYCSTLMTRCOST INTO WA_VIYCSTLMTRCOST.


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

*Conversion exit REDAT, internal->external for field PTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_VIYCSTLMTRCOST-PTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VIYCSTLMTRCOST-PTO.
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_VIYCSTLMTRCOST_STR, 
MANDT TYPE STRING,
SETTL_MS_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
CAM_MS_GUID TYPE STRING,
OBJNR TYPE STRING,
AMOUNTTYPE TYPE STRING,
RO_OBJNR TYPE STRING,
KSTAR TYPE STRING,
PGOBJNR TYPE STRING,
EXPTYPE TYPE STRING,
CNOBJNR TYPE STRING,
NETAMOUNT TYPE STRING,
REFSETTLGUID TYPE STRING,
PFROM TYPE STRING,
PTO TYPE STRING,
CHNGIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIYCSTLMTRCOST_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_VIYCSTLMTRCOST_STR-MANDT sy-vline 
WA_VIYCSTLMTRCOST_STR-SETTL_MS_GUID sy-vline 
WA_VIYCSTLMTRCOST_STR-SETTL_GUID sy-vline 
WA_VIYCSTLMTRCOST_STR-CAM_MS_GUID sy-vline 
WA_VIYCSTLMTRCOST_STR-OBJNR sy-vline 
WA_VIYCSTLMTRCOST_STR-AMOUNTTYPE sy-vline 
WA_VIYCSTLMTRCOST_STR-RO_OBJNR sy-vline 
WA_VIYCSTLMTRCOST_STR-KSTAR sy-vline 
WA_VIYCSTLMTRCOST_STR-PGOBJNR sy-vline 
WA_VIYCSTLMTRCOST_STR-EXPTYPE sy-vline 
WA_VIYCSTLMTRCOST_STR-CNOBJNR sy-vline 
WA_VIYCSTLMTRCOST_STR-NETAMOUNT sy-vline 
WA_VIYCSTLMTRCOST_STR-REFSETTLGUID sy-vline 
WA_VIYCSTLMTRCOST_STR-PFROM sy-vline 
WA_VIYCSTLMTRCOST_STR-PTO sy-vline 
WA_VIYCSTLMTRCOST_STR-CHNGIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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