ABAP Select data from SAP table ACCIT_AMCO_ORIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACCIT_AMCO_ORIG
*  INTO TABLE @DATA(IT_ACCIT_AMCO_ORIG2).
*--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_ACCIT_AMCO_ORIG INDEX 1 INTO DATA(WA_ACCIT_AMCO_ORIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACCIT_AMCO_ORIG>-MANDT = 1.
<ACCIT_AMCO_ORIG>-AWTYP = 1.
<ACCIT_AMCO_ORIG>-AWREF = 1.
<ACCIT_AMCO_ORIG>-AWORG = 1.
<ACCIT_AMCO_ORIG>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACCIT_AMCO_ORIG-KOKRS, sy-vline,
  WA_ACCIT_AMCO_ORIG-BELNR, sy-vline,
  WA_ACCIT_AMCO_ORIG-BUZEI, sy-vline,
  WA_ACCIT_AMCO_ORIG-FI_BUKRS, sy-vline,
  WA_ACCIT_AMCO_ORIG-FIBELNR, sy-vline,
  WA_ACCIT_AMCO_ORIG-FIBUZEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACCIT_AMCO_ORIG 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_ACCIT_AMCO_ORIG 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_ACCIT_AMCO_ORIG INTO WA_ACCIT_AMCO_ORIG.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACCIT_AMCO_ORIG-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACCIT_AMCO_ORIG-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ACCIT_AMCO_ORIG-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ACCIT_AMCO_ORIG-ANLN2.
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_ACCIT_AMCO_ORIG_STR, 
MANDT TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
POSNR TYPE STRING,
KOKRS TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
FI_BUKRS TYPE STRING,
FIBELNR TYPE STRING,
FIBUZEI TYPE STRING,
GKOAR TYPE STRING,
GKONT TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
WBGBTR TYPE STRING,
USPOB TYPE STRING,
COGJAHR TYPE STRING,
OBART TYPE STRING,
OBJID TYPE STRING,
ANBWA TYPE STRING,
RECID TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ABWNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACCIT_AMCO_ORIG_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_ACCIT_AMCO_ORIG_STR-MANDT sy-vline 
WA_ACCIT_AMCO_ORIG_STR-AWTYP sy-vline 
WA_ACCIT_AMCO_ORIG_STR-AWREF sy-vline 
WA_ACCIT_AMCO_ORIG_STR-AWORG sy-vline 
WA_ACCIT_AMCO_ORIG_STR-POSNR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-KOKRS sy-vline 
WA_ACCIT_AMCO_ORIG_STR-BELNR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-BUZEI sy-vline 
WA_ACCIT_AMCO_ORIG_STR-FI_BUKRS sy-vline 
WA_ACCIT_AMCO_ORIG_STR-FIBELNR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-FIBUZEI sy-vline 
WA_ACCIT_AMCO_ORIG_STR-GKOAR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-GKONT sy-vline 
WA_ACCIT_AMCO_ORIG_STR-KSTAR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-HRKFT sy-vline 
WA_ACCIT_AMCO_ORIG_STR-WBGBTR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-USPOB sy-vline 
WA_ACCIT_AMCO_ORIG_STR-COGJAHR sy-vline 
WA_ACCIT_AMCO_ORIG_STR-OBART sy-vline 
WA_ACCIT_AMCO_ORIG_STR-OBJID sy-vline 
WA_ACCIT_AMCO_ORIG_STR-ANBWA sy-vline 
WA_ACCIT_AMCO_ORIG_STR-RECID sy-vline 
WA_ACCIT_AMCO_ORIG_STR-BUKRS sy-vline 
WA_ACCIT_AMCO_ORIG_STR-ANLN1 sy-vline 
WA_ACCIT_AMCO_ORIG_STR-ANLN2 sy-vline 
WA_ACCIT_AMCO_ORIG_STR-ABWNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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