ABAP Select data from SAP table J_3R_INVC_S4 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_S4 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_S4. 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_S4 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_S4 TYPE STANDARD TABLE OF J_3R_INVC_S4,
      WA_J_3R_INVC_S4 TYPE J_3R_INVC_S4,
      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_S4> TYPE J_3R_INVC_S4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3R_INVC_S4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3R_INVC_S4
  INTO TABLE IT_J_3R_INVC_S4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3R_INVC_S4
*  INTO TABLE @DATA(IT_J_3R_INVC_S42).
*--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_S4 INDEX 1 INTO DATA(WA_J_3R_INVC_S42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3R_INVC_S4 ASSIGNING <J_3R_INVC_S4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3R_INVC_S4>-MANDT = 1.
<J_3R_INVC_S4>-BUKRS = 1.
<J_3R_INVC_S4>-ANLN1 = 1.
<J_3R_INVC_S4>-ANLN2 = 1.
<J_3R_INVC_S4>-DACCEPT = 1.

ENDLOOP.

LOOP AT IT_J_3R_INVC_S4 INTO WA_J_3R_INVC_S4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3R_INVC_S4-NUMACCEPT, sy-vline,
  WA_J_3R_INVC_S4-ANLU1, sy-vline,
  WA_J_3R_INVC_S4-ANLU2, sy-vline,
  WA_J_3R_INVC_S4-GJAHR, sy-vline,
  WA_J_3R_INVC_S4-LNRAN, sy-vline,
  WA_J_3R_INVC_S4-BUZEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3R_INVC_S4 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_S4 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_S4 INTO WA_J_3R_INVC_S4.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-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_S4-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-ANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NUMACCEPT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-NUMACCEPT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-NUMACCEPT.
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_S4-ANLU1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-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_S4-ANLU2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-ANLU2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ANBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-ANBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-ANBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field NBVALUE
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-NBVALUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-NBVALUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU162, internal->external for field SALEINCOME
CALL FUNCTION 'CONVERSION_EXIT_AU162_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-SALEINCOME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-SALEINCOME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field SALECOST
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-SALECOST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-SALECOST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field DEPRECIATION
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-DEPRECIATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-DEPRECIATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field VALADJUST
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-VALADJUST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-VALADJUST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ERLBT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-ERLBT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-ERLBT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field AUFWV
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-AUFWV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-AUFWV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field AUFWL
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-AUFWL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-AUFWL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field AUFWVL
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3R_INVC_S4-AUFWVL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3R_INVC_S4-AUFWVL.
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_S4_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
DACCEPT TYPE STRING,
NUMACCEPT TYPE STRING,
ANLU1 TYPE STRING,
ANLU2 TYPE STRING,
GJAHR TYPE STRING,
LNRAN TYPE STRING,
BUZEI TYPE STRING,
BLART TYPE STRING,
OPERTYPE TYPE STRING,
GITCOL TYPE STRING,
GRTYPE TYPE STRING,
IOTYPE TYPE STRING,
AITYPE TYPE STRING,
ANBTR TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
NBVALUE 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,
BDATU TYPE STRING,
ALOPTYPECODE TYPE STRING,
SALEINCOME TYPE STRING,
SALECOST TYPE STRING,
DEPRECIATION TYPE STRING,
VALADJUST TYPE STRING,
GROUPNUM TYPE STRING,
KUNNR TYPE STRING,
BKTXT TYPE STRING,
SGTXT TYPE STRING,
ERLBT TYPE STRING,
AUFWV TYPE STRING,
AUFWL TYPE STRING,
AUFWVL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3R_INVC_S4_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_S4_STR-MANDT sy-vline 
WA_J_3R_INVC_S4_STR-BUKRS sy-vline 
WA_J_3R_INVC_S4_STR-ANLN1 sy-vline 
WA_J_3R_INVC_S4_STR-ANLN2 sy-vline 
WA_J_3R_INVC_S4_STR-DACCEPT sy-vline 
WA_J_3R_INVC_S4_STR-NUMACCEPT sy-vline 
WA_J_3R_INVC_S4_STR-ANLU1 sy-vline 
WA_J_3R_INVC_S4_STR-ANLU2 sy-vline 
WA_J_3R_INVC_S4_STR-GJAHR sy-vline 
WA_J_3R_INVC_S4_STR-LNRAN sy-vline 
WA_J_3R_INVC_S4_STR-BUZEI sy-vline 
WA_J_3R_INVC_S4_STR-BLART sy-vline 
WA_J_3R_INVC_S4_STR-OPERTYPE sy-vline 
WA_J_3R_INVC_S4_STR-GITCOL sy-vline 
WA_J_3R_INVC_S4_STR-GRTYPE sy-vline 
WA_J_3R_INVC_S4_STR-IOTYPE sy-vline 
WA_J_3R_INVC_S4_STR-AITYPE sy-vline 
WA_J_3R_INVC_S4_STR-ANBTR sy-vline 
WA_J_3R_INVC_S4_STR-MENGE sy-vline 
WA_J_3R_INVC_S4_STR-MEINS sy-vline 
WA_J_3R_INVC_S4_STR-NBVALUE sy-vline 
WA_J_3R_INVC_S4_STR-STRUCTDIV sy-vline 
WA_J_3R_INVC_S4_STR-STRUCTDIV_INT sy-vline 
WA_J_3R_INVC_S4_STR-STRUCTDIV_OLD sy-vline 
WA_J_3R_INVC_S4_STR-STRUCTDIV_INT_OLD sy-vline 
WA_J_3R_INVC_S4_STR-SURNAME sy-vline 
WA_J_3R_INVC_S4_STR-SURNAME_OLD sy-vline 
WA_J_3R_INVC_S4_STR-PERNR sy-vline 
WA_J_3R_INVC_S4_STR-PERNR_OLD sy-vline 
WA_J_3R_INVC_S4_STR-POSITION sy-vline 
WA_J_3R_INVC_S4_STR-POSITION_OLD sy-vline 
WA_J_3R_INVC_S4_STR-BDATU sy-vline 
WA_J_3R_INVC_S4_STR-ALOPTYPECODE sy-vline 
WA_J_3R_INVC_S4_STR-SALEINCOME sy-vline 
WA_J_3R_INVC_S4_STR-SALECOST sy-vline 
WA_J_3R_INVC_S4_STR-DEPRECIATION sy-vline 
WA_J_3R_INVC_S4_STR-VALADJUST sy-vline 
WA_J_3R_INVC_S4_STR-GROUPNUM sy-vline 
WA_J_3R_INVC_S4_STR-KUNNR sy-vline 
WA_J_3R_INVC_S4_STR-BKTXT sy-vline 
WA_J_3R_INVC_S4_STR-SGTXT sy-vline 
WA_J_3R_INVC_S4_STR-ERLBT sy-vline 
WA_J_3R_INVC_S4_STR-AUFWV sy-vline 
WA_J_3R_INVC_S4_STR-AUFWL sy-vline 
WA_J_3R_INVC_S4_STR-AUFWVL sy-vline      INTO ld_text SEPARATED BY SPACE.

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