ABAP Select data from SAP table CPOACACCRSWL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPOACACCRSWL
*  INTO TABLE @DATA(IT_CPOACACCRSWL2).
*--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_CPOACACCRSWL INDEX 1 INTO DATA(WA_CPOACACCRSWL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPOACACCRSWL>-MANDT = 1.
<CPOACACCRSWL>-ACCRUALOBJECTLOGICALSYSTEM = 1.
<CPOACACCRSWL>-PURCHASINGDOCUMENT = 1.
<CPOACACCRSWL>-PURCHASINGDOCUMENTITEM = 1.
<CPOACACCRSWL>-ACCOUNTASSIGNMENTNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPOACACCRSWL-ACCRUALENGINEACCRUALOBJECTTYPE, sy-vline,
  WA_CPOACACCRSWL-COMPANYCODE, sy-vline,
  WA_CPOACACCRSWL-ACCRUALOBJECT, sy-vline,
  WA_CPOACACCRSWL-ACCRUALSUBOBJECT, sy-vline,
  WA_CPOACACCRSWL-COMPANYCODENAME, sy-vline,
  WA_CPOACACCRSWL-ACCRSUBOBJECTLIFECYCLESTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPOACACCRSWL 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_CPOACACCRSWL 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_CPOACACCRSWL INTO WA_CPOACACCRSWL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPOACACCRSWL-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOACACCRSWL-SALESORDER.
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_CPOACACCRSWL_STR, 
MANDT TYPE STRING,
ACCRUALOBJECTLOGICALSYSTEM TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
ACCOUNTASSIGNMENTNUMBER TYPE STRING,
ACCRUALENGINEACCRUALOBJECTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
ACCRUALOBJECT TYPE STRING,
ACCRUALSUBOBJECT TYPE STRING,
COMPANYCODENAME TYPE STRING,
ACCRSUBOBJECTLIFECYCLESTATUS TYPE STRING,
ACCRSUBOBJLIFECYCLESTATUSNAME TYPE STRING,
ACCRSUBOBJHDRSTARTOFLIFEDATE TYPE STRING,
ACCRSUBOBJHDRENDOFLIFEDATE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
MATERIAL TYPE STRING,
PURCHASINGDOCUMENTITEMTEXT TYPE STRING,
PURGDOCPRODUCTTYPE TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
PURGDOCITEMCATEGORYNAME TYPE STRING,
NETAMOUNT TYPE STRING,
VALIDITYDATE TYPE STRING,
COSTCENTER TYPE STRING,
COSTCENTERGROUP TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERGROUP TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPOACACCRSWL_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_CPOACACCRSWL_STR-MANDT sy-vline 
WA_CPOACACCRSWL_STR-ACCRUALOBJECTLOGICALSYSTEM sy-vline 
WA_CPOACACCRSWL_STR-PURCHASINGDOCUMENT sy-vline 
WA_CPOACACCRSWL_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_CPOACACCRSWL_STR-ACCOUNTASSIGNMENTNUMBER sy-vline 
WA_CPOACACCRSWL_STR-ACCRUALENGINEACCRUALOBJECTTYPE sy-vline 
WA_CPOACACCRSWL_STR-COMPANYCODE sy-vline 
WA_CPOACACCRSWL_STR-ACCRUALOBJECT sy-vline 
WA_CPOACACCRSWL_STR-ACCRUALSUBOBJECT sy-vline 
WA_CPOACACCRSWL_STR-COMPANYCODENAME sy-vline 
WA_CPOACACCRSWL_STR-ACCRSUBOBJECTLIFECYCLESTATUS sy-vline 
WA_CPOACACCRSWL_STR-ACCRSUBOBJLIFECYCLESTATUSNAME sy-vline 
WA_CPOACACCRSWL_STR-ACCRSUBOBJHDRSTARTOFLIFEDATE sy-vline 
WA_CPOACACCRSWL_STR-ACCRSUBOBJHDRENDOFLIFEDATE sy-vline 
WA_CPOACACCRSWL_STR-CONTROLLINGAREA sy-vline 
WA_CPOACACCRSWL_STR-CREATIONDATE sy-vline 
WA_CPOACACCRSWL_STR-CREATEDBYUSER sy-vline 
WA_CPOACACCRSWL_STR-DOCUMENTCURRENCY sy-vline 
WA_CPOACACCRSWL_STR-MATERIAL sy-vline 
WA_CPOACACCRSWL_STR-PURCHASINGDOCUMENTITEMTEXT sy-vline 
WA_CPOACACCRSWL_STR-PURGDOCPRODUCTTYPE sy-vline 
WA_CPOACACCRSWL_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_CPOACACCRSWL_STR-PURGDOCITEMCATEGORYNAME sy-vline 
WA_CPOACACCRSWL_STR-NETAMOUNT sy-vline 
WA_CPOACACCRSWL_STR-VALIDITYDATE sy-vline 
WA_CPOACACCRSWL_STR-COSTCENTER sy-vline 
WA_CPOACACCRSWL_STR-COSTCENTERGROUP sy-vline 
WA_CPOACACCRSWL_STR-PROFITCENTER sy-vline 
WA_CPOACACCRSWL_STR-PROFITCENTERGROUP sy-vline 
WA_CPOACACCRSWL_STR-SALESORDER sy-vline 
WA_CPOACACCRSWL_STR-SALESORDERITEM sy-vline 
WA_CPOACACCRSWL_STR-WBSELEMENTEXTERNALID sy-vline      INTO ld_text SEPARATED BY SPACE.

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