ABAP Select data from SAP table RJS0501 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJS0501 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 RJS0501. 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 RJS0501 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_RJS0501 TYPE STANDARD TABLE OF RJS0501,
      WA_RJS0501 TYPE RJS0501,
      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: <RJS0501> TYPE RJS0501.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJS0501.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJS0501
  INTO TABLE IT_RJS0501.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJS0501
*  INTO TABLE @DATA(IT_RJS05012).
*--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_RJS0501 INDEX 1 INTO DATA(WA_RJS05012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJS0501 ASSIGNING <RJS0501>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJS0501>-MANDT = 1.
<RJS0501>-BEZIRK = 1.
<RJS0501>-LAUFNUMMER = 1.
<RJS0501>-NACHFOLGER = 1.
<RJS0501>-LAND1 = 1.

ENDLOOP.

LOOP AT IT_RJS0501 INTO WA_RJS0501.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJS0501-ARTPOSTE, sy-vline,
  WA_RJS0501-PSTEIN, sy-vline,
  WA_RJS0501-GUELTIGAB, sy-vline,
  WA_RJS0501-GUELTIGBIS, sy-vline,
  WA_RJS0501-HNRKENN, sy-vline,
  WA_RJS0501-HAUSNRVON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJS0501 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_RJS0501 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_RJS0501 INTO WA_RJS0501.


*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 BEZIRK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJS0501-BEZIRK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJS0501-BEZIRK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PSTEIN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJS0501-PSTEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJS0501-PSTEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRSECNUMLOW
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJS0501-ADDRSECNUMLOW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJS0501-ADDRSECNUMLOW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDRSECNUMHIGH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJS0501-ADDRSECNUMHIGH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJS0501-ADDRSECNUMHIGH.
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_RJS0501_STR, 
MANDT TYPE STRING,
BEZIRK TYPE STRING,
LAUFNUMMER TYPE STRING,
NACHFOLGER TYPE STRING,
LAND1 TYPE STRING,
ARTPOSTE TYPE STRING,
PSTEIN TYPE STRING,
GUELTIGAB TYPE STRING,
GUELTIGBIS TYPE STRING,
HNRKENN TYPE STRING,
HAUSNRVON TYPE STRING,
HAUSNRBIS TYPE STRING,
HNRZUSVON TYPE STRING,
HNRZUSBIS TYPE STRING,
ADRZUSATZ TYPE STRING,
STOCKWERK TYPE STRING,
ADDRSECABBREV TYPE STRING,
ADDRSECNUMLOW TYPE STRING,
ADDRSECNUMHIGH TYPE STRING,
ADDRSECODDEVEN TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,
XGERADE TYPE STRING,
XUNGERADE TYPE STRING,
XGEMISCHT TYPE STRING,
XAUFSTEIG TYPE STRING,
XABSTEIG TYPE STRING,
XSTRUAKTIV TYPE STRING,
DBCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJS0501_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_RJS0501_STR-MANDT sy-vline 
WA_RJS0501_STR-BEZIRK sy-vline 
WA_RJS0501_STR-LAUFNUMMER sy-vline 
WA_RJS0501_STR-NACHFOLGER sy-vline 
WA_RJS0501_STR-LAND1 sy-vline 
WA_RJS0501_STR-ARTPOSTE sy-vline 
WA_RJS0501_STR-PSTEIN sy-vline 
WA_RJS0501_STR-GUELTIGAB sy-vline 
WA_RJS0501_STR-GUELTIGBIS sy-vline 
WA_RJS0501_STR-HNRKENN sy-vline 
WA_RJS0501_STR-HAUSNRVON sy-vline 
WA_RJS0501_STR-HAUSNRBIS sy-vline 
WA_RJS0501_STR-HNRZUSVON sy-vline 
WA_RJS0501_STR-HNRZUSBIS sy-vline 
WA_RJS0501_STR-ADRZUSATZ sy-vline 
WA_RJS0501_STR-STOCKWERK sy-vline 
WA_RJS0501_STR-ADDRSECABBREV sy-vline 
WA_RJS0501_STR-ADDRSECNUMLOW sy-vline 
WA_RJS0501_STR-ADDRSECNUMHIGH sy-vline 
WA_RJS0501_STR-ADDRSECODDEVEN sy-vline 
WA_RJS0501_STR-ERFUSER sy-vline 
WA_RJS0501_STR-ERFDATE sy-vline 
WA_RJS0501_STR-ERFTIME sy-vline 
WA_RJS0501_STR-AENUSER sy-vline 
WA_RJS0501_STR-AENDATE sy-vline 
WA_RJS0501_STR-AENTIME sy-vline 
WA_RJS0501_STR-XGERADE sy-vline 
WA_RJS0501_STR-XUNGERADE sy-vline 
WA_RJS0501_STR-XGEMISCHT sy-vline 
WA_RJS0501_STR-XAUFSTEIG sy-vline 
WA_RJS0501_STR-XABSTEIG sy-vline 
WA_RJS0501_STR-XSTRUAKTIV sy-vline 
WA_RJS0501_STR-DBCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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