ABAP Select data from SAP table J_3R_INVC_ASSET_MOVE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3R_INVC_ASSET_MOVE 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 J_3R_INVC_ASSET_MOVE. 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 J_3R_INVC_ASSET_MOVE 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_J_3R_INVC_ASSET_MOVE TYPE STANDARD TABLE OF J_3R_INVC_ASSET_MOVE,
      WA_J_3R_INVC_ASSET_MOVE TYPE J_3R_INVC_ASSET_MOVE,
      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: <J_3R_INVC_ASSET_MOVE> TYPE J_3R_INVC_ASSET_MOVE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_INVC_ASSET_MOVE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_INVC_ASSET_MOVE
  INTO TABLE IT_J_3R_INVC_ASSET_MOVE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_INVC_ASSET_MOVE
*  INTO TABLE @DATA(IT_J_3R_INVC_ASSET_MOVE2).
*--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_J_3R_INVC_ASSET_MOVE INDEX 1 INTO DATA(WA_J_3R_INVC_ASSET_MOVE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_INVC_ASSET_MOVE ASSIGNING <J_3R_INVC_ASSET_MOVE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_INVC_ASSET_MOVE>-BUKRS = 1.
<J_3R_INVC_ASSET_MOVE>-ALNMB1 = 1.
<J_3R_INVC_ASSET_MOVE>-ALNMB2 = 1.
<J_3R_INVC_ASSET_MOVE>-PBUKR = 1.
<J_3R_INVC_ASSET_MOVE>-ANLN1 = 1.

ENDLOOP.

LOOP AT IT_J_3R_INVC_ASSET_MOVE INTO WA_J_3R_INVC_ASSET_MOVE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_INVC_ASSET_MOVE-ANLN2, sy-vline,
  WA_J_3R_INVC_ASSET_MOVE-ZUGDT, sy-vline,
  WA_J_3R_INVC_ASSET_MOVE-AFABG, sy-vline,
  WA_J_3R_INVC_ASSET_MOVE-DEAKT, sy-vline,
  WA_J_3R_INVC_ASSET_MOVE-ANKA_TYPE, sy-vline,
  WA_J_3R_INVC_ASSET_MOVE-ANLU1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_INVC_ASSET_MOVE 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_J_3R_INVC_ASSET_MOVE 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_J_3R_INVC_ASSET_MOVE INTO WA_J_3R_INVC_ASSET_MOVE.


*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 ALNMB1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ALNMB1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ALNMB1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALNMB2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ALNMB2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ALNMB2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLU1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ANLU1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ANLU1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLU2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_ASSET_MOVE-ANLU2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_ASSET_MOVE-ANLU2.
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_J_3R_INVC_ASSET_MOVE_STR, 
BUKRS TYPE STRING,
ALNMB1 TYPE STRING,
ALNMB2 TYPE STRING,
PBUKR TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ZUGDT TYPE STRING,
AFABG TYPE STRING,
DEAKT TYPE STRING,
ANKA_TYPE TYPE STRING,
ANLU1 TYPE STRING,
ANLU2 TYPE STRING,
STRUCTDIV TYPE STRING,
STRUCTDIV_INT TYPE STRING,
STRUCTDIV_OLD TYPE STRING,
STRUCTDIV_INT_OLD TYPE STRING,
SURNAME TYPE STRING,
SURNAME_OLD TYPE STRING,
PERNR TYPE STRING,
PERNR_OLD TYPE STRING,
POSITION TYPE STRING,
POSITION_OLD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_INVC_ASSET_MOVE_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_J_3R_INVC_ASSET_MOVE_STR-BUKRS sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ALNMB1 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ALNMB2 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-PBUKR sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ANLN1 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ANLN2 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ZUGDT sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-AFABG sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-DEAKT sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ANKA_TYPE sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ANLU1 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-ANLU2 sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-STRUCTDIV sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-STRUCTDIV_INT sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-STRUCTDIV_OLD sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-STRUCTDIV_INT_OLD sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-SURNAME sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-SURNAME_OLD sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-PERNR sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-PERNR_OLD sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-POSITION sy-vline 
WA_J_3R_INVC_ASSET_MOVE_STR-POSITION_OLD sy-vline      INTO ld_text SEPARATED BY SPACE.

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