ABAP Select data from SAP table J_3RFTAXRVA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RFTAXRVA 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_3RFTAXRVA. 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_3RFTAXRVA 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_3RFTAXRVA TYPE STANDARD TABLE OF J_3RFTAXRVA,
      WA_J_3RFTAXRVA TYPE J_3RFTAXRVA,
      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_3RFTAXRVA> TYPE J_3RFTAXRVA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RFTAXRVA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RFTAXRVA
  INTO TABLE IT_J_3RFTAXRVA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RFTAXRVA
*  INTO TABLE @DATA(IT_J_3RFTAXRVA2).
*--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_3RFTAXRVA INDEX 1 INTO DATA(WA_J_3RFTAXRVA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RFTAXRVA ASSIGNING <J_3RFTAXRVA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RFTAXRVA>-RCLNT = 1.
<J_3RFTAXRVA>-GL_SIRID = 1.
<J_3RFTAXRVA>-RLDNR = 1.
<J_3RFTAXRVA>-RRCTY = 1.
<J_3RFTAXRVA>-RVERS = 1.

ENDLOOP.

LOOP AT IT_J_3RFTAXRVA INTO WA_J_3RFTAXRVA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RFTAXRVA-RYEAR, sy-vline,
  WA_J_3RFTAXRVA-RTCUR, sy-vline,
  WA_J_3RFTAXRVA-RUNIT, sy-vline,
  WA_J_3RFTAXRVA-DRCRK, sy-vline,
  WA_J_3RFTAXRVA-POPER, sy-vline,
  WA_J_3RFTAXRVA-DOCCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RFTAXRVA 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_3RFTAXRVA 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_3RFTAXRVA INTO WA_J_3RFTAXRVA.


*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 RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RVERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field RUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-DOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field RMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RANLN2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RKTRLAGT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RKTRLAGT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RKTRLAGT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field RPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field RKORRPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RKORRPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RKORRPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RKOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RKOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RKOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-RAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-RAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SMATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SMATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SMATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field SPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field SKORRPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SKORRPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SKORRPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SKOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SKOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SKOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-SAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-SAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field TSL
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-TSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-TSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field HSL
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-HSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-HSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFDOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-REFDOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-REFDOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REFRYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-REFRYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-REFRYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RFTAXRVA-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RFTAXRVA-LOGSYS.
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_3RFTAXRVA_STR, 
RCLNT TYPE STRING,
GL_SIRID TYPE STRING,
RLDNR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
RYEAR TYPE STRING,
RTCUR TYPE STRING,
RUNIT TYPE STRING,
DRCRK TYPE STRING,
POPER TYPE STRING,
DOCCT TYPE STRING,
DOCNR TYPE STRING,
DOCLN TYPE STRING,
RBUKRS TYPE STRING,
RTAXOBJ TYPE STRING,
RACTIVTYP TYPE STRING,
RACCT TYPE STRING,
RMATNR TYPE STRING,
RANLN1 TYPE STRING,
RANLN2 TYPE STRING,
RTAXROW TYPE STRING,
RCONTRACT TYPE STRING,
RKTRLAGT TYPE STRING,
RPRODUCT TYPE STRING,
RKORRPER TYPE STRING,
RKOSTL TYPE STRING,
RAUFNR TYPE STRING,
RDIVISION TYPE STRING,
SBUKRS TYPE STRING,
STAXOBJ TYPE STRING,
SACTIVTYP TYPE STRING,
SACCT TYPE STRING,
SMATNR TYPE STRING,
SPRODUCT TYPE STRING,
SKORRPER TYPE STRING,
SKOSTL TYPE STRING,
SAUFNR TYPE STRING,
SDIVISION TYPE STRING,
TSL TYPE STRING,
HSL TYPE STRING,
MSL TYPE STRING,
SGTXT TYPE STRING,
DOCTY TYPE STRING,
ACTIV TYPE STRING,
BUDAT TYPE STRING,
WSDAT TYPE STRING,
REFDOCNR TYPE STRING,
REFRYEAR TYPE STRING,
REFDOCLN TYPE STRING,
REFDOCCT TYPE STRING,
REFACTIV TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
USNAM TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
LOGSYS TYPE STRING,
BLDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RFTAXRVA_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_3RFTAXRVA_STR-RCLNT sy-vline 
WA_J_3RFTAXRVA_STR-GL_SIRID sy-vline 
WA_J_3RFTAXRVA_STR-RLDNR sy-vline 
WA_J_3RFTAXRVA_STR-RRCTY sy-vline 
WA_J_3RFTAXRVA_STR-RVERS sy-vline 
WA_J_3RFTAXRVA_STR-RYEAR sy-vline 
WA_J_3RFTAXRVA_STR-RTCUR sy-vline 
WA_J_3RFTAXRVA_STR-RUNIT sy-vline 
WA_J_3RFTAXRVA_STR-DRCRK sy-vline 
WA_J_3RFTAXRVA_STR-POPER sy-vline 
WA_J_3RFTAXRVA_STR-DOCCT sy-vline 
WA_J_3RFTAXRVA_STR-DOCNR sy-vline 
WA_J_3RFTAXRVA_STR-DOCLN sy-vline 
WA_J_3RFTAXRVA_STR-RBUKRS sy-vline 
WA_J_3RFTAXRVA_STR-RTAXOBJ sy-vline 
WA_J_3RFTAXRVA_STR-RACTIVTYP sy-vline 
WA_J_3RFTAXRVA_STR-RACCT sy-vline 
WA_J_3RFTAXRVA_STR-RMATNR sy-vline 
WA_J_3RFTAXRVA_STR-RANLN1 sy-vline 
WA_J_3RFTAXRVA_STR-RANLN2 sy-vline 
WA_J_3RFTAXRVA_STR-RTAXROW sy-vline 
WA_J_3RFTAXRVA_STR-RCONTRACT sy-vline 
WA_J_3RFTAXRVA_STR-RKTRLAGT sy-vline 
WA_J_3RFTAXRVA_STR-RPRODUCT sy-vline 
WA_J_3RFTAXRVA_STR-RKORRPER sy-vline 
WA_J_3RFTAXRVA_STR-RKOSTL sy-vline 
WA_J_3RFTAXRVA_STR-RAUFNR sy-vline 
WA_J_3RFTAXRVA_STR-RDIVISION sy-vline 
WA_J_3RFTAXRVA_STR-SBUKRS sy-vline 
WA_J_3RFTAXRVA_STR-STAXOBJ sy-vline 
WA_J_3RFTAXRVA_STR-SACTIVTYP sy-vline 
WA_J_3RFTAXRVA_STR-SACCT sy-vline 
WA_J_3RFTAXRVA_STR-SMATNR sy-vline 
WA_J_3RFTAXRVA_STR-SPRODUCT sy-vline 
WA_J_3RFTAXRVA_STR-SKORRPER sy-vline 
WA_J_3RFTAXRVA_STR-SKOSTL sy-vline 
WA_J_3RFTAXRVA_STR-SAUFNR sy-vline 
WA_J_3RFTAXRVA_STR-SDIVISION sy-vline 
WA_J_3RFTAXRVA_STR-TSL sy-vline 
WA_J_3RFTAXRVA_STR-HSL sy-vline 
WA_J_3RFTAXRVA_STR-MSL sy-vline 
WA_J_3RFTAXRVA_STR-SGTXT sy-vline 
WA_J_3RFTAXRVA_STR-DOCTY sy-vline 
WA_J_3RFTAXRVA_STR-ACTIV sy-vline 
WA_J_3RFTAXRVA_STR-BUDAT sy-vline 
WA_J_3RFTAXRVA_STR-WSDAT sy-vline 
WA_J_3RFTAXRVA_STR-REFDOCNR sy-vline 
WA_J_3RFTAXRVA_STR-REFRYEAR sy-vline 
WA_J_3RFTAXRVA_STR-REFDOCLN sy-vline 
WA_J_3RFTAXRVA_STR-REFDOCCT sy-vline 
WA_J_3RFTAXRVA_STR-REFACTIV sy-vline 
WA_J_3RFTAXRVA_STR-CPUDT sy-vline 
WA_J_3RFTAXRVA_STR-CPUTM sy-vline 
WA_J_3RFTAXRVA_STR-USNAM sy-vline 
WA_J_3RFTAXRVA_STR-AWTYP sy-vline 
WA_J_3RFTAXRVA_STR-AWORG sy-vline 
WA_J_3RFTAXRVA_STR-LOGSYS sy-vline 
WA_J_3RFTAXRVA_STR-BLDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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