ABAP Select data from SAP table /ACCGO/CAS_S_WC_SELECTION_DATA into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CAS_S_WC_SELECTION_DATA 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 /ACCGO/CAS_S_WC_SELECTION_DATA. 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 /ACCGO/CAS_S_WC_SELECTION_DATA 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_/ACCGO/CAS_S_WC_SELECTION_DATA TYPE STANDARD TABLE OF /ACCGO/CAS_S_WC_SELECTION_DATA,
      WA_/ACCGO/CAS_S_WC_SELECTION_DATA TYPE /ACCGO/CAS_S_WC_SELECTION_DATA,
      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: </ACCGO/CAS_S_WC_SELECTION_DATA> TYPE /ACCGO/CAS_S_WC_SELECTION_DATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CAS_S_WC_SELECTION_DATA
  INTO TABLE IT_/ACCGO/CAS_S_WC_SELECTION_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAS_S_WC_SELECTION_DATA
*  INTO TABLE @DATA(IT_/ACCGO/CAS_S_WC_SELECTION_DATA2).
*--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_/ACCGO/CAS_S_WC_SELECTION_DATA INDEX 1 INTO DATA(WA_/ACCGO/CAS_S_WC_SELECTION_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CAS_S_WC_SELECTION_DATA ASSIGNING </ACCGO/CAS_S_WC_SELECTION_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAS_S_WC_SELECTION_DATA>-TKNUM = 1.
</ACCGO/CAS_S_WC_SELECTION_DATA>-VBELN_IN = 1.
</ACCGO/CAS_S_WC_SELECTION_DATA>-VBELN_OUT = 1.
</ACCGO/CAS_S_WC_SELECTION_DATA>-VBELN_OR_SALES = 1.
</ACCGO/CAS_S_WC_SELECTION_DATA>-VBELN_OR_PURCH = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CAS_S_WC_SELECTION_DATA INTO WA_/ACCGO/CAS_S_WC_SELECTION_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAS_S_WC_SELECTION_DATA-APPLDOC, sy-vline,
  WA_/ACCGO/CAS_S_WC_SELECTION_DATA-TKONN, sy-vline,
  WA_/ACCGO/CAS_S_WC_SELECTION_DATA-TPOSN, sy-vline,
  WA_/ACCGO/CAS_S_WC_SELECTION_DATA-KUNNR, sy-vline,
  WA_/ACCGO/CAS_S_WC_SELECTION_DATA-WERKS, sy-vline,
  WA_/ACCGO/CAS_S_WC_SELECTION_DATA-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAS_S_WC_SELECTION_DATA 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_/ACCGO/CAS_S_WC_SELECTION_DATA 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_/ACCGO/CAS_S_WC_SELECTION_DATA INTO WA_/ACCGO/CAS_S_WC_SELECTION_DATA.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/ACCGO/CAS_S_WC_SELECTION_DATA_STR, 
TKNUM TYPE STRING,
VBELN_IN TYPE STRING,
VBELN_OUT TYPE STRING,
VBELN_OR_SALES TYPE STRING,
VBELN_OR_PURCH TYPE STRING,
APPLDOC TYPE STRING,
TKONN TYPE STRING,
TPOSN TYPE STRING,
KUNNR TYPE STRING,
WERKS TYPE STRING,
BUKRS TYPE STRING,
PRCTR TYPE STRING,
EKORG TYPE STRING,
VKORG TYPE STRING,
EKGRP TYPE STRING,
MATNR TYPE STRING,
MATGRP TYPE STRING,
GRPVALUE TYPE STRING,
KUNAG TYPE STRING,
LIFNR TYPE STRING,
PAYER TYPE STRING,
SETTL_SCENARIO TYPE STRING,
DOC_TYPE TYPE STRING,
APPLDOC_STATUS TYPE STRING,
DOCUMENT_DATE TYPE STRING,
FORWARD_APPDOCS TYPE STRING,
APPLDOC_GRP TYPE STRING,
SPART TYPE STRING,
VTWEG TYPE STRING,
TCTYP TYPE STRING,
SIDE TYPE STRING,
LOCATION TYPE STRING,
WAREHOUSE_ID TYPE STRING,
WAREHOUSE_TYPE TYPE STRING,
RUN_DATE TYPE STRING,
STORAGE_START_DATE TYPE STRING,
STORAGE_END_DATE TYPE STRING,
STORAGE_TYPE TYPE STRING,
ACCRUAL_POSTING_DATE TYPE STRING,
ACCRUAL_REVERSAL_DATE TYPE STRING,
ACCRUE_STORAGE_FEES TYPE STRING,
/ACCGO/RATE_TYPE TYPE STRING,
/ACCGO/STL_CURR TYPE STRING,
/ACCGO/EFFDATE TYPE STRING,
/ACCGO/STL_CREATED_BY TYPE STRING,
/ACCGO/STL_CREATED_DT TYPE STRING,
NO_PH_REC_Y TYPE STRING,
NO_PH_REC_N TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAS_S_WC_SELECTION_DATA_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_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-TKNUM sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VBELN_IN sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VBELN_OUT sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VBELN_OR_SALES sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VBELN_OR_PURCH sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-APPLDOC sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-TKONN sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-TPOSN sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-KUNNR sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-WERKS sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-BUKRS sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-PRCTR sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-EKORG sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VKORG sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-EKGRP sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-MATNR sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-MATGRP sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-GRPVALUE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-KUNAG sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-LIFNR sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-PAYER sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-SETTL_SCENARIO sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-DOC_TYPE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-APPLDOC_STATUS sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-DOCUMENT_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-FORWARD_APPDOCS sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-APPLDOC_GRP sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-SPART sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-VTWEG sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-TCTYP sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-SIDE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-LOCATION sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-WAREHOUSE_ID sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-WAREHOUSE_TYPE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-RUN_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-STORAGE_START_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-STORAGE_END_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-STORAGE_TYPE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-ACCRUAL_POSTING_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-ACCRUAL_REVERSAL_DATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-ACCRUE_STORAGE_FEES sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-/ACCGO/RATE_TYPE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-/ACCGO/STL_CURR sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-/ACCGO/EFFDATE sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-/ACCGO/STL_CREATED_BY sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-/ACCGO/STL_CREATED_DT sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-NO_PH_REC_Y sy-vline 
WA_/ACCGO/CAS_S_WC_SELECTION_DATA_STR-NO_PH_REC_N sy-vline      INTO ld_text SEPARATED BY SPACE.

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