ABAP Select data from SAP table RETIKOND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RETIKOND
*  INTO TABLE @DATA(IT_RETIKOND2).
*--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_RETIKOND INDEX 1 INTO DATA(WA_RETIKOND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RETIKOND>-MANDT = 1.
<RETIKOND>-RANTYP = 1.
<RETIKOND>-SKOART = 1.
<RETIKOND>-XKOARTK = 1.
<RETIKOND>-DGUEL_KP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RETIKOND-DGUEL_BIS_KP, sy-vline,
  WA_RETIKOND-MWSKZ, sy-vline,
  WA_RETIKOND-ZLSCH, sy-vline,
  WA_RETIKOND-BKOND, sy-vline,
  WA_RETIKOND-SWHRKOND, sy-vline,
  WA_RETIKOND-BBBBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RETIKOND 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_RETIKOND 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_RETIKOND INTO WA_RETIKOND.


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

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

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RETIKOND-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RETIKOND-LIFNR.
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_RETIKOND_STR, 
MANDT TYPE STRING,
RANTYP TYPE STRING,
SKOART TYPE STRING,
XKOARTK TYPE STRING,
DGUEL_KP TYPE STRING,
DGUEL_BIS_KP TYPE STRING,
MWSKZ TYPE STRING,
ZLSCH TYPE STRING,
BKOND TYPE STRING,
SWHRKOND TYPE STRING,
BBBBTR TYPE STRING,
JAREA TYPE STRING,
AMMRHY TYPE STRING,
ATTRHY TYPE STRING,
SKOPO TYPE STRING,
BKONDQM TYPE STRING,
FQMFLART TYPE STRING,
FEINS TYPE STRING,
SKOTYP TYPE STRING,
XKOTYPK TYPE STRING,
BKONDTYP TYPE STRING,
DGUEL_KT TYPE STRING,
DGUEL_BIS_KT TYPE STRING,
BBBBTRTYP TYPE STRING,
NO_ADJUST TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
SPARTNR TYPE STRING,
XCROSS TYPE STRING,
JEINMKON TYPE STRING,
JBMONAT TYPE STRING,
GFZLSCH TYPE STRING,
ZLSPR TYPE STRING,
DFAELL TYPE STRING,
SZAWS TYPE STRING,
RESZEITANT TYPE STRING,
SFKALRI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RETIKOND_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_RETIKOND_STR-MANDT sy-vline 
WA_RETIKOND_STR-RANTYP sy-vline 
WA_RETIKOND_STR-SKOART sy-vline 
WA_RETIKOND_STR-XKOARTK sy-vline 
WA_RETIKOND_STR-DGUEL_KP sy-vline 
WA_RETIKOND_STR-DGUEL_BIS_KP sy-vline 
WA_RETIKOND_STR-MWSKZ sy-vline 
WA_RETIKOND_STR-ZLSCH sy-vline 
WA_RETIKOND_STR-BKOND sy-vline 
WA_RETIKOND_STR-SWHRKOND sy-vline 
WA_RETIKOND_STR-BBBBTR sy-vline 
WA_RETIKOND_STR-JAREA sy-vline 
WA_RETIKOND_STR-AMMRHY sy-vline 
WA_RETIKOND_STR-ATTRHY sy-vline 
WA_RETIKOND_STR-SKOPO sy-vline 
WA_RETIKOND_STR-BKONDQM sy-vline 
WA_RETIKOND_STR-FQMFLART sy-vline 
WA_RETIKOND_STR-FEINS sy-vline 
WA_RETIKOND_STR-SKOTYP sy-vline 
WA_RETIKOND_STR-XKOTYPK sy-vline 
WA_RETIKOND_STR-BKONDTYP sy-vline 
WA_RETIKOND_STR-DGUEL_KT sy-vline 
WA_RETIKOND_STR-DGUEL_BIS_KT sy-vline 
WA_RETIKOND_STR-BBBBTRTYP sy-vline 
WA_RETIKOND_STR-NO_ADJUST sy-vline 
WA_RETIKOND_STR-KUNNR sy-vline 
WA_RETIKOND_STR-LIFNR sy-vline 
WA_RETIKOND_STR-SPARTNR sy-vline 
WA_RETIKOND_STR-XCROSS sy-vline 
WA_RETIKOND_STR-JEINMKON sy-vline 
WA_RETIKOND_STR-JBMONAT sy-vline 
WA_RETIKOND_STR-GFZLSCH sy-vline 
WA_RETIKOND_STR-ZLSPR sy-vline 
WA_RETIKOND_STR-DFAELL sy-vline 
WA_RETIKOND_STR-SZAWS sy-vline 
WA_RETIKOND_STR-RESZEITANT sy-vline 
WA_RETIKOND_STR-SFKALRI sy-vline      INTO ld_text SEPARATED BY SPACE.

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