ABAP Select data from SAP table CREEXASSCOSTCNTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CREEXASSCOSTCNTR
*  INTO TABLE @DATA(IT_CREEXASSCOSTCNTR2).
*--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_CREEXASSCOSTCNTR INDEX 1 INTO DATA(WA_CREEXASSCOSTCNTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CREEXASSCOSTCNTR>-MANDT = 1.
<CREEXASSCOSTCNTR>-CONTROLLINGAREA = 1.
<CREEXASSCOSTCNTR>-COSTCENTER = 1.
<CREEXASSCOSTCNTR>-VALIDITYENDDATE = 1.
<CREEXASSCOSTCNTR>-VALIDITYSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CREEXASSCOSTCNTR-COMPANYCODE, sy-vline,
  WA_CREEXASSCOSTCNTR-BUSINESSAREA, sy-vline,
  WA_CREEXASSCOSTCNTR-COSTCENTERCATEGORY, sy-vline,
  WA_CREEXASSCOSTCNTR-COSTCTRRESPONSIBLEPERSONNAME, sy-vline,
  WA_CREEXASSCOSTCNTR-COSTCTRRESPONSIBLEUSER, sy-vline,
  WA_CREEXASSCOSTCNTR-COSTCENTERCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CREEXASSCOSTCNTR 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_CREEXASSCOSTCNTR 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_CREEXASSCOSTCNTR INTO WA_CREEXASSCOSTCNTR.


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

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

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CREEXASSCOSTCNTR-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CREEXASSCOSTCNTR-LANGUAGE.
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_CREEXASSCOSTCNTR_STR, 
MANDT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
COMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
COSTCENTERCATEGORY TYPE STRING,
COSTCTRRESPONSIBLEPERSONNAME TYPE STRING,
COSTCTRRESPONSIBLEUSER TYPE STRING,
COSTCENTERCURRENCY TYPE STRING,
PROFITCENTER TYPE STRING,
DEPARTMENT TYPE STRING,
COUNTRY TYPE STRING,
CITYNAME TYPE STRING,
REGION TYPE STRING,
LANGUAGE TYPE STRING,
FUNCTIONALAREA TYPE STRING,
COSTCENTERNAME TYPE STRING,
COSTCENTERDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CREEXASSCOSTCNTR_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_CREEXASSCOSTCNTR_STR-MANDT sy-vline 
WA_CREEXASSCOSTCNTR_STR-CONTROLLINGAREA sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCENTER sy-vline 
WA_CREEXASSCOSTCNTR_STR-VALIDITYENDDATE sy-vline 
WA_CREEXASSCOSTCNTR_STR-VALIDITYSTARTDATE sy-vline 
WA_CREEXASSCOSTCNTR_STR-COMPANYCODE sy-vline 
WA_CREEXASSCOSTCNTR_STR-BUSINESSAREA sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCENTERCATEGORY sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCTRRESPONSIBLEPERSONNAME sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCTRRESPONSIBLEUSER sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCENTERCURRENCY sy-vline 
WA_CREEXASSCOSTCNTR_STR-PROFITCENTER sy-vline 
WA_CREEXASSCOSTCNTR_STR-DEPARTMENT sy-vline 
WA_CREEXASSCOSTCNTR_STR-COUNTRY sy-vline 
WA_CREEXASSCOSTCNTR_STR-CITYNAME sy-vline 
WA_CREEXASSCOSTCNTR_STR-REGION sy-vline 
WA_CREEXASSCOSTCNTR_STR-LANGUAGE sy-vline 
WA_CREEXASSCOSTCNTR_STR-FUNCTIONALAREA sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCENTERNAME sy-vline 
WA_CREEXASSCOSTCNTR_STR-COSTCENTERDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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