ABAP Select data from SAP table J_3RCLRSEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RCLRSEL 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_3RCLRSEL. 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_3RCLRSEL 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_3RCLRSEL TYPE STANDARD TABLE OF J_3RCLRSEL,
      WA_J_3RCLRSEL TYPE J_3RCLRSEL,
      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_3RCLRSEL> TYPE J_3RCLRSEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RCLRSEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RCLRSEL
  INTO TABLE IT_J_3RCLRSEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RCLRSEL
*  INTO TABLE @DATA(IT_J_3RCLRSEL2).
*--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_3RCLRSEL INDEX 1 INTO DATA(WA_J_3RCLRSEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RCLRSEL ASSIGNING <J_3RCLRSEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RCLRSEL>-LINK = 1.
<J_3RCLRSEL>-KUNNR = 1.
<J_3RCLRSEL>-LIFNR = 1.
<J_3RCLRSEL>-BUKRS = 1.
<J_3RCLRSEL>-BELNR = 1.

ENDLOOP.

LOOP AT IT_J_3RCLRSEL INTO WA_J_3RCLRSEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RCLRSEL-BLDAT, sy-vline,
  WA_J_3RCLRSEL-BUDAT, sy-vline,
  WA_J_3RCLRSEL-UMSKZ, sy-vline,
  WA_J_3RCLRSEL-UMSKS, sy-vline,
  WA_J_3RCLRSEL-BUZEI, sy-vline,
  WA_J_3RCLRSEL-SHKZG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RCLRSEL 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_3RCLRSEL 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_3RCLRSEL INTO WA_J_3RCLRSEL.


*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 KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field CLRNG
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-CLRNG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-CLRNG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DIFSUMMA
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-DIFSUMMA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-DIFSUMMA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REBZG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-REBZG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-REBZG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REBZJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-REBZJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-REBZJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSR
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-KURSR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-KURSR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSC
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-KURSC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-KURSC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOCLR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-DOCLR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-DOCLR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RCLRSEL-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RCLRSEL-HKONT.
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_3RCLRSEL_STR, 
LINK TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
UMSKZ TYPE STRING,
UMSKS TYPE STRING,
BUZEI TYPE STRING,
SHKZG TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
CLRNG TYPE STRING,
WAERS TYPE STRING,
BEDG1 TYPE STRING,
BEDG2 TYPE STRING,
BEDG3 TYPE STRING,
BEDG4 TYPE STRING,
BEDG5 TYPE STRING,
DIFSUMMA TYPE STRING,
REBZG TYPE STRING,
REBZZ TYPE STRING,
REBZJ TYPE STRING,
REBZT TYPE STRING,
SRTPR TYPE STRING,
QUANT TYPE STRING,
NUCLR TYPE STRING,
USTXT TYPE STRING,
DE_CR TYPE STRING,
CLRPS TYPE STRING,
DSBLE TYPE STRING,
DSBBT TYPE STRING,
GJAHR TYPE STRING,
KOART TYPE STRING,
XZAHL TYPE STRING,
XZAHR TYPE STRING,
XZAHM TYPE STRING,
BILDVAL TYPE STRING,
HWAER TYPE STRING,
CLWRS TYPE STRING,
KURSF TYPE STRING,
WWERT TYPE STRING,
KURSR TYPE STRING,
KURSC TYPE STRING,
DOCLR TYPE STRING,
NAME1 TYPE STRING,
NAMEOLD TYPE STRING,
FLAG_FILL TYPE STRING,
HKONT TYPE STRING,
XPROC TYPE STRING,
INTCNUM TYPE STRING,
EXTCNUM TYPE STRING,
CNTDATE TYPE STRING,
AWKEY TYPE STRING,
ERR_NO TYPE STRING,
ERR_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RCLRSEL_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_3RCLRSEL_STR-LINK sy-vline 
WA_J_3RCLRSEL_STR-KUNNR sy-vline 
WA_J_3RCLRSEL_STR-LIFNR sy-vline 
WA_J_3RCLRSEL_STR-BUKRS sy-vline 
WA_J_3RCLRSEL_STR-BELNR sy-vline 
WA_J_3RCLRSEL_STR-BLDAT sy-vline 
WA_J_3RCLRSEL_STR-BUDAT sy-vline 
WA_J_3RCLRSEL_STR-UMSKZ sy-vline 
WA_J_3RCLRSEL_STR-UMSKS sy-vline 
WA_J_3RCLRSEL_STR-BUZEI sy-vline 
WA_J_3RCLRSEL_STR-SHKZG sy-vline 
WA_J_3RCLRSEL_STR-DMBTR sy-vline 
WA_J_3RCLRSEL_STR-WRBTR sy-vline 
WA_J_3RCLRSEL_STR-CLRNG sy-vline 
WA_J_3RCLRSEL_STR-WAERS sy-vline 
WA_J_3RCLRSEL_STR-BEDG1 sy-vline 
WA_J_3RCLRSEL_STR-BEDG2 sy-vline 
WA_J_3RCLRSEL_STR-BEDG3 sy-vline 
WA_J_3RCLRSEL_STR-BEDG4 sy-vline 
WA_J_3RCLRSEL_STR-BEDG5 sy-vline 
WA_J_3RCLRSEL_STR-DIFSUMMA sy-vline 
WA_J_3RCLRSEL_STR-REBZG sy-vline 
WA_J_3RCLRSEL_STR-REBZZ sy-vline 
WA_J_3RCLRSEL_STR-REBZJ sy-vline 
WA_J_3RCLRSEL_STR-REBZT sy-vline 
WA_J_3RCLRSEL_STR-SRTPR sy-vline 
WA_J_3RCLRSEL_STR-QUANT sy-vline 
WA_J_3RCLRSEL_STR-NUCLR sy-vline 
WA_J_3RCLRSEL_STR-USTXT sy-vline 
WA_J_3RCLRSEL_STR-DE_CR sy-vline 
WA_J_3RCLRSEL_STR-CLRPS sy-vline 
WA_J_3RCLRSEL_STR-DSBLE sy-vline 
WA_J_3RCLRSEL_STR-DSBBT sy-vline 
WA_J_3RCLRSEL_STR-GJAHR sy-vline 
WA_J_3RCLRSEL_STR-KOART sy-vline 
WA_J_3RCLRSEL_STR-XZAHL sy-vline 
WA_J_3RCLRSEL_STR-XZAHR sy-vline 
WA_J_3RCLRSEL_STR-XZAHM sy-vline 
WA_J_3RCLRSEL_STR-BILDVAL sy-vline 
WA_J_3RCLRSEL_STR-HWAER sy-vline 
WA_J_3RCLRSEL_STR-CLWRS sy-vline 
WA_J_3RCLRSEL_STR-KURSF sy-vline 
WA_J_3RCLRSEL_STR-WWERT sy-vline 
WA_J_3RCLRSEL_STR-KURSR sy-vline 
WA_J_3RCLRSEL_STR-KURSC sy-vline 
WA_J_3RCLRSEL_STR-DOCLR sy-vline 
WA_J_3RCLRSEL_STR-NAME1 sy-vline 
WA_J_3RCLRSEL_STR-NAMEOLD sy-vline 
WA_J_3RCLRSEL_STR-FLAG_FILL sy-vline 
WA_J_3RCLRSEL_STR-HKONT sy-vline 
WA_J_3RCLRSEL_STR-XPROC sy-vline 
WA_J_3RCLRSEL_STR-INTCNUM sy-vline 
WA_J_3RCLRSEL_STR-EXTCNUM sy-vline 
WA_J_3RCLRSEL_STR-CNTDATE sy-vline 
WA_J_3RCLRSEL_STR-AWKEY sy-vline 
WA_J_3RCLRSEL_STR-ERR_NO sy-vline 
WA_J_3RCLRSEL_STR-ERR_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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