ABAP Select data from SAP table /SAPSLL/CCGRT_WD_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/CCGRT_WD_S
*  INTO TABLE @DATA(IT_/SAPSLL/CCGRT_WD_S2).
*--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_/SAPSLL/CCGRT_WD_S INDEX 1 INTO DATA(WA_/SAPSLL/CCGRT_WD_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/CCGRT_WD_S>-MANDT = 1.
</SAPSLL/CCGRT_WD_S>-LANGU = 1.
</SAPSLL/CCGRT_WD_S>-LGREG = 1.
</SAPSLL/CCGRT_WD_S>-LGREGTEXT = 1.
</SAPSLL/CCGRT_WD_S>-CONGR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/CCGRT_WD_S-DESCRIPTION, sy-vline,
  WA_/SAPSLL/CCGRT_WD_S-TEXT1, sy-vline,
  WA_/SAPSLL/CCGRT_WD_S-TEXT2, sy-vline,
  WA_/SAPSLL/CCGRT_WD_S-TEXT3, sy-vline,
  WA_/SAPSLL/CCGRT_WD_S-TEXT4, sy-vline,
  WA_/SAPSLL/CCGRT_WD_S-TEXT5, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/CCGRT_WD_S 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_/SAPSLL/CCGRT_WD_S 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_/SAPSLL/CCGRT_WD_S INTO WA_/SAPSLL/CCGRT_WD_S.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CCGRT_WD_S-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CCGRT_WD_S-LANGU.
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_/SAPSLL/CCGRT_WD_S_STR, 
MANDT TYPE STRING,
LANGU TYPE STRING,
LGREG TYPE STRING,
LGREGTEXT TYPE STRING,
CONGR TYPE STRING,
DESCRIPTION TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
TEXT4 TYPE STRING,
TEXT5 TYPE STRING,
TEXT6 TYPE STRING,
TEXT7 TYPE STRING,
TEXT8 TYPE STRING,
TEXT9 TYPE STRING,
TEXT10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/CCGRT_WD_S_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_/SAPSLL/CCGRT_WD_S_STR-MANDT sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-LANGU sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-LGREG sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-LGREGTEXT sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-CONGR sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-DESCRIPTION sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT1 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT2 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT3 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT4 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT5 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT6 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT7 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT8 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT9 sy-vline 
WA_/SAPSLL/CCGRT_WD_S_STR-TEXT10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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