ABAP Select data from SAP table J_3RFPCR_TREE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RFPCR_TREE 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_3RFPCR_TREE. 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_3RFPCR_TREE 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_3RFPCR_TREE TYPE STANDARD TABLE OF J_3RFPCR_TREE,
      WA_J_3RFPCR_TREE TYPE J_3RFPCR_TREE,
      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_3RFPCR_TREE> TYPE J_3RFPCR_TREE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RFPCR_TREE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RFPCR_TREE
  INTO TABLE IT_J_3RFPCR_TREE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RFPCR_TREE
*  INTO TABLE @DATA(IT_J_3RFPCR_TREE2).
*--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_3RFPCR_TREE INDEX 1 INTO DATA(WA_J_3RFPCR_TREE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RFPCR_TREE ASSIGNING <J_3RFPCR_TREE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RFPCR_TREE>-BUKRS = 1.
<J_3RFPCR_TREE>-LIFNR = 1.
<J_3RFPCR_TREE>-NAME = 1.
<J_3RFPCR_TREE>-STAT = 1.
<J_3RFPCR_TREE>-BSTAT = 1.

ENDLOOP.

LOOP AT IT_J_3RFPCR_TREE INTO WA_J_3RFPCR_TREE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RFPCR_TREE-BLART, sy-vline,
  WA_J_3RFPCR_TREE-AUGBL, sy-vline,
  WA_J_3RFPCR_TREE-AUGDT, sy-vline,
  WA_J_3RFPCR_TREE-BUDAT, sy-vline,
  WA_J_3RFPCR_TREE-BELNR_INV, sy-vline,
  WA_J_3RFPCR_TREE-GJAHR_INV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RFPCR_TREE 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_3RFPCR_TREE 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_3RFPCR_TREE INTO WA_J_3RFPCR_TREE.


*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 LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-AUGBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_INV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-BELNR_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-BELNR_INV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_INV
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-GJAHR_INV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-GJAHR_INV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-HKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HABE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-HABE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-HABE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HABE_DC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-HABE_DC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-HABE_DC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field HABE_INV_DC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-HABE_INV_DC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-HABE_INV_DC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF_HA
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-KURSF_HA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-KURSF_HA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DIFF
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-DIFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-DIFF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DIFF_DC
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-DIFF_DC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-DIFF_DC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field EXCHRATE_POST
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-EXCHRATE_POST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-EXCHRATE_POST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field EXCHRATE_DIFF
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-EXCHRATE_DIFF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-EXCHRATE_DIFF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOKKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFPCR_TREE-LOKKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFPCR_TREE-LOKKT.
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_3RFPCR_TREE_STR, 
BUKRS TYPE STRING,
LIFNR TYPE STRING,
NAME TYPE STRING,
STAT TYPE STRING,
BSTAT TYPE STRING,
BLART TYPE STRING,
AUGBL TYPE STRING,
AUGDT TYPE STRING,
BUDAT TYPE STRING,
BELNR_INV TYPE STRING,
GJAHR_INV TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
HKONT TYPE STRING,
DMBTR TYPE STRING,
WAERS_CC TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
KURSF TYPE STRING,
HABE TYPE STRING,
HABE_DC TYPE STRING,
WAERS_HA TYPE STRING,
HABE_INV_DC TYPE STRING,
KURSF_HA TYPE STRING,
DIFF TYPE STRING,
DIFF_DC TYPE STRING,
EXCHRATE_POST TYPE STRING,
EXCHRATE_DIFF TYPE STRING,
UMSKZ TYPE STRING,
ZUONR TYPE STRING,
PAYMENTS TYPE STRING,
INTCNUM TYPE STRING,
EXTCNUM TYPE STRING,
CNTDATE TYPE STRING,
LOKKT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RFPCR_TREE_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_3RFPCR_TREE_STR-BUKRS sy-vline 
WA_J_3RFPCR_TREE_STR-LIFNR sy-vline 
WA_J_3RFPCR_TREE_STR-NAME sy-vline 
WA_J_3RFPCR_TREE_STR-STAT sy-vline 
WA_J_3RFPCR_TREE_STR-BSTAT sy-vline 
WA_J_3RFPCR_TREE_STR-BLART sy-vline 
WA_J_3RFPCR_TREE_STR-AUGBL sy-vline 
WA_J_3RFPCR_TREE_STR-AUGDT sy-vline 
WA_J_3RFPCR_TREE_STR-BUDAT sy-vline 
WA_J_3RFPCR_TREE_STR-BELNR_INV sy-vline 
WA_J_3RFPCR_TREE_STR-GJAHR_INV sy-vline 
WA_J_3RFPCR_TREE_STR-BELNR sy-vline 
WA_J_3RFPCR_TREE_STR-BUZEI sy-vline 
WA_J_3RFPCR_TREE_STR-HKONT sy-vline 
WA_J_3RFPCR_TREE_STR-DMBTR sy-vline 
WA_J_3RFPCR_TREE_STR-WAERS_CC sy-vline 
WA_J_3RFPCR_TREE_STR-WRBTR sy-vline 
WA_J_3RFPCR_TREE_STR-WAERS sy-vline 
WA_J_3RFPCR_TREE_STR-KURSF sy-vline 
WA_J_3RFPCR_TREE_STR-HABE sy-vline 
WA_J_3RFPCR_TREE_STR-HABE_DC sy-vline 
WA_J_3RFPCR_TREE_STR-WAERS_HA sy-vline 
WA_J_3RFPCR_TREE_STR-HABE_INV_DC sy-vline 
WA_J_3RFPCR_TREE_STR-KURSF_HA sy-vline 
WA_J_3RFPCR_TREE_STR-DIFF sy-vline 
WA_J_3RFPCR_TREE_STR-DIFF_DC sy-vline 
WA_J_3RFPCR_TREE_STR-EXCHRATE_POST sy-vline 
WA_J_3RFPCR_TREE_STR-EXCHRATE_DIFF sy-vline 
WA_J_3RFPCR_TREE_STR-UMSKZ sy-vline 
WA_J_3RFPCR_TREE_STR-ZUONR sy-vline 
WA_J_3RFPCR_TREE_STR-PAYMENTS sy-vline 
WA_J_3RFPCR_TREE_STR-INTCNUM sy-vline 
WA_J_3RFPCR_TREE_STR-EXTCNUM sy-vline 
WA_J_3RFPCR_TREE_STR-CNTDATE sy-vline 
WA_J_3RFPCR_TREE_STR-LOKKT sy-vline      INTO ld_text SEPARATED BY SPACE.

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