ABAP Select data from SAP table /SAPCEM/SCONF2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPCEM/SCONF2 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 /SAPCEM/SCONF2. 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 /SAPCEM/SCONF2 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_/SAPCEM/SCONF2 TYPE STANDARD TABLE OF /SAPCEM/SCONF2,
      WA_/SAPCEM/SCONF2 TYPE /SAPCEM/SCONF2,
      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: </SAPCEM/SCONF2> TYPE /SAPCEM/SCONF2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPCEM/SCONF2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPCEM/SCONF2
  INTO TABLE IT_/SAPCEM/SCONF2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCEM/SCONF2
*  INTO TABLE @DATA(IT_/SAPCEM/SCONF22).
*--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_/SAPCEM/SCONF2 INDEX 1 INTO DATA(WA_/SAPCEM/SCONF22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPCEM/SCONF2 ASSIGNING </SAPCEM/SCONF2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCEM/SCONF2>-CAUSE = 1.
</SAPCEM/SCONF2>-EQUNR = 1.
</SAPCEM/SCONF2>-DATVO = 1.
</SAPCEM/SCONF2>-DATBI = 1.
</SAPCEM/SCONF2>-VKORG = 1.

ENDLOOP.

LOOP AT IT_/SAPCEM/SCONF2 INTO WA_/SAPCEM/SCONF2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCEM/SCONF2-VTWEG, sy-vline,
  WA_/SAPCEM/SCONF2-SPART, sy-vline,
  WA_/SAPCEM/SCONF2-EMPFAE, sy-vline,
  WA_/SAPCEM/SCONF2-AGEXT, sy-vline,
  WA_/SAPCEM/SCONF2-WEEXT, sy-vline,
  WA_/SAPCEM/SCONF2-EXNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCEM/SCONF2 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_/SAPCEM/SCONF2 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_/SAPCEM/SCONF2 INTO WA_/SAPCEM/SCONF2.


*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 EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMPFAE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-EMPFAE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-EMPFAE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AGEXT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-AGEXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-AGEXT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WEEXT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-WEEXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-WEEXT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-EXNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-EXNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BDNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-BDNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-BDNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELZU
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-BELZU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-BELZU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCEM/SCONF2-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCEM/SCONF2-MEINS.
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_/SAPCEM/SCONF2_STR, 
CAUSE TYPE STRING,
EQUNR TYPE STRING,
DATVO TYPE STRING,
DATBI TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
EMPFAE TYPE STRING,
AGEXT TYPE STRING,
WEEXT TYPE STRING,
EXNUM TYPE STRING,
BDNUM TYPE STRING,
BDPOS TYPE STRING,
STATU TYPE STRING,
BDZUO TYPE STRING,
LVART TYPE STRING,
BELNR TYPE STRING,
BELZU TYPE STRING,
POSZU TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
CONFL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCEM/SCONF2_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_/SAPCEM/SCONF2_STR-CAUSE sy-vline 
WA_/SAPCEM/SCONF2_STR-EQUNR sy-vline 
WA_/SAPCEM/SCONF2_STR-DATVO sy-vline 
WA_/SAPCEM/SCONF2_STR-DATBI sy-vline 
WA_/SAPCEM/SCONF2_STR-VKORG sy-vline 
WA_/SAPCEM/SCONF2_STR-VTWEG sy-vline 
WA_/SAPCEM/SCONF2_STR-SPART sy-vline 
WA_/SAPCEM/SCONF2_STR-EMPFAE sy-vline 
WA_/SAPCEM/SCONF2_STR-AGEXT sy-vline 
WA_/SAPCEM/SCONF2_STR-WEEXT sy-vline 
WA_/SAPCEM/SCONF2_STR-EXNUM sy-vline 
WA_/SAPCEM/SCONF2_STR-BDNUM sy-vline 
WA_/SAPCEM/SCONF2_STR-BDPOS sy-vline 
WA_/SAPCEM/SCONF2_STR-STATU sy-vline 
WA_/SAPCEM/SCONF2_STR-BDZUO sy-vline 
WA_/SAPCEM/SCONF2_STR-LVART sy-vline 
WA_/SAPCEM/SCONF2_STR-BELNR sy-vline 
WA_/SAPCEM/SCONF2_STR-BELZU sy-vline 
WA_/SAPCEM/SCONF2_STR-POSZU sy-vline 
WA_/SAPCEM/SCONF2_STR-MENGE sy-vline 
WA_/SAPCEM/SCONF2_STR-MEINS sy-vline 
WA_/SAPCEM/SCONF2_STR-CONFL sy-vline      INTO ld_text SEPARATED BY SPACE.

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