ABAP Select data from SAP table ACAC_RESULT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACAC_RESULT
*  INTO TABLE @DATA(IT_ACAC_RESULT2).
*--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_ACAC_RESULT INDEX 1 INTO DATA(WA_ACAC_RESULT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACAC_RESULT>-BELNR = 1.
<ACAC_RESULT>-GJAHR = 1.
<ACAC_RESULT>-BUZEI = 1.
<ACAC_RESULT>-ACAC_OBJTYPE = 1.
<ACAC_RESULT>-ACAC_OBJNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACAC_RESULT-COMP, sy-vline,
  WA_ACAC_RESULT-LOGSYS, sy-vline,
  WA_ACAC_RESULT-BUKRS, sy-vline,
  WA_ACAC_RESULT-REF_KEY, sy-vline,
  WA_ACAC_RESULT-REF_SUBKEY, sy-vline,
  WA_ACAC_RESULT-ITEMTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACAC_RESULT 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_ACAC_RESULT 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_ACAC_RESULT INTO WA_ACAC_RESULT.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ACAC_RESULT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACAC_RESULT-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC152, internal->external for field AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_ACAC_RESULT-AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACAC_RESULT-AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ACAC_RESULT-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACAC_RESULT-UNIT.
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_ACAC_RESULT_STR, 
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
ACAC_OBJTYPE TYPE STRING,
ACAC_OBJNUMBER TYPE STRING,
COMP TYPE STRING,
LOGSYS TYPE STRING,
BUKRS TYPE STRING,
REF_KEY TYPE STRING,
REF_SUBKEY TYPE STRING,
ITEMTYPE TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
LIFE_START_DATE TYPE STRING,
LIFE_END_DATE TYPE STRING,
ACRMETHOD TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
ACTIVITY TYPE STRING,
ERROR_OCCURED TYPE STRING,
RETURN_T TYPE STRING,
MESSAGE TYPE STRING,
STATUS TYPE STRING,
TRANSFER_TYPE TYPE STRING,
ICON_STATUS TYPE STRING,
PROCESS_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACAC_RESULT_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_ACAC_RESULT_STR-BELNR sy-vline 
WA_ACAC_RESULT_STR-GJAHR sy-vline 
WA_ACAC_RESULT_STR-BUZEI sy-vline 
WA_ACAC_RESULT_STR-ACAC_OBJTYPE sy-vline 
WA_ACAC_RESULT_STR-ACAC_OBJNUMBER sy-vline 
WA_ACAC_RESULT_STR-COMP sy-vline 
WA_ACAC_RESULT_STR-LOGSYS sy-vline 
WA_ACAC_RESULT_STR-BUKRS sy-vline 
WA_ACAC_RESULT_STR-REF_KEY sy-vline 
WA_ACAC_RESULT_STR-REF_SUBKEY sy-vline 
WA_ACAC_RESULT_STR-ITEMTYPE sy-vline 
WA_ACAC_RESULT_STR-DATE_FROM sy-vline 
WA_ACAC_RESULT_STR-DATE_TO sy-vline 
WA_ACAC_RESULT_STR-LIFE_START_DATE sy-vline 
WA_ACAC_RESULT_STR-LIFE_END_DATE sy-vline 
WA_ACAC_RESULT_STR-ACRMETHOD sy-vline 
WA_ACAC_RESULT_STR-AMOUNT sy-vline 
WA_ACAC_RESULT_STR-CURRENCY sy-vline 
WA_ACAC_RESULT_STR-QUANTITY sy-vline 
WA_ACAC_RESULT_STR-UNIT sy-vline 
WA_ACAC_RESULT_STR-ACTIVITY sy-vline 
WA_ACAC_RESULT_STR-ERROR_OCCURED sy-vline 
WA_ACAC_RESULT_STR-RETURN_T sy-vline 
WA_ACAC_RESULT_STR-MESSAGE sy-vline 
WA_ACAC_RESULT_STR-STATUS sy-vline 
WA_ACAC_RESULT_STR-TRANSFER_TYPE sy-vline 
WA_ACAC_RESULT_STR-ICON_STATUS sy-vline 
WA_ACAC_RESULT_STR-PROCESS_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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