ABAP Select data from SAP table CAROACCRUAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CAROACCRUAL
*  INTO TABLE @DATA(IT_CAROACCRUAL2).
*--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_CAROACCRUAL INDEX 1 INTO DATA(WA_CAROACCRUAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CAROACCRUAL>-MANDT = 1.
<CAROACCRUAL>-ACCRUALENGINEAPPLICATION = 1.
<CAROACCRUAL>-COMPANYCODE = 1.
<CAROACCRUAL>-AROOBJECTREFERENCEKEY = 1.
<CAROACCRUAL>-AROSUBOBJREFERENCEKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CAROACCRUAL-AROACCRUALITEMTYPE, sy-vline,
  WA_CAROACCRUAL-AROACCRUALLEDGERGROUP, sy-vline,
  WA_CAROACCRUAL-AROACCRUALENDDATE, sy-vline,
  WA_CAROACCRUAL-AROOBJECTTYPE, sy-vline,
  WA_CAROACCRUAL-ASSETRETIREMENTOBLGNNUMBER, sy-vline,
  WA_CAROACCRUAL-ASSETRETIREMENTOBLIGATIONUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CAROACCRUAL 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_CAROACCRUAL 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_CAROACCRUAL INTO WA_CAROACCRUAL.


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

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

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

*Conversion exit AC152, internal->external for field AROACCRUALTOTALAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CAROACCRUAL-AROACCRUALTOTALAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CAROACCRUAL-AROACCRUALTOTALAMOUNT.
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_CAROACCRUAL_STR, 
MANDT TYPE STRING,
ACCRUALENGINEAPPLICATION TYPE STRING,
COMPANYCODE TYPE STRING,
AROOBJECTREFERENCEKEY TYPE STRING,
AROSUBOBJREFERENCEKEY TYPE STRING,
AROACCRUALITEMTYPE TYPE STRING,
AROACCRUALLEDGERGROUP TYPE STRING,
AROACCRUALENDDATE TYPE STRING,
AROOBJECTTYPE TYPE STRING,
ASSETRETIREMENTOBLGNNUMBER TYPE STRING,
ASSETRETIREMENTOBLIGATIONUUID TYPE STRING,
AROACCRUALSTARTDATE TYPE STRING,
ACCRUALMETHOD TYPE STRING,
AROACCRUALTOTALAMOUNT TYPE STRING,
ACCRUALTRANSACTIONCURRENCY TYPE STRING,
ASSETRETIREMENTOBLIGATIONTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CAROACCRUAL_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_CAROACCRUAL_STR-MANDT sy-vline 
WA_CAROACCRUAL_STR-ACCRUALENGINEAPPLICATION sy-vline 
WA_CAROACCRUAL_STR-COMPANYCODE sy-vline 
WA_CAROACCRUAL_STR-AROOBJECTREFERENCEKEY sy-vline 
WA_CAROACCRUAL_STR-AROSUBOBJREFERENCEKEY sy-vline 
WA_CAROACCRUAL_STR-AROACCRUALITEMTYPE sy-vline 
WA_CAROACCRUAL_STR-AROACCRUALLEDGERGROUP sy-vline 
WA_CAROACCRUAL_STR-AROACCRUALENDDATE sy-vline 
WA_CAROACCRUAL_STR-AROOBJECTTYPE sy-vline 
WA_CAROACCRUAL_STR-ASSETRETIREMENTOBLGNNUMBER sy-vline 
WA_CAROACCRUAL_STR-ASSETRETIREMENTOBLIGATIONUUID sy-vline 
WA_CAROACCRUAL_STR-AROACCRUALSTARTDATE sy-vline 
WA_CAROACCRUAL_STR-ACCRUALMETHOD sy-vline 
WA_CAROACCRUAL_STR-AROACCRUALTOTALAMOUNT sy-vline 
WA_CAROACCRUAL_STR-ACCRUALTRANSACTIONCURRENCY sy-vline 
WA_CAROACCRUAL_STR-ASSETRETIREMENTOBLIGATIONTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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