ABAP Select data from SAP table /SAPSLL/CORCTSC_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/CORCTSC_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/CORCTSC_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/CORCTSC_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/CORCTSC_S TYPE STANDARD TABLE OF /SAPSLL/CORCTSC_S,
      WA_/SAPSLL/CORCTSC_S TYPE /SAPSLL/CORCTSC_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/CORCTSC_S> TYPE /SAPSLL/CORCTSC_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/CORCTSC_S
*  INTO TABLE @DATA(IT_/SAPSLL/CORCTSC_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/CORCTSC_S INDEX 1 INTO DATA(WA_/SAPSLL/CORCTSC_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/CORCTSC_S>-POBJT = 1.
</SAPSLL/CORCTSC_S>-GUID_POBJ = 1.
</SAPSLL/CORCTSC_S>-GUID_CTSNUMC = 1.
</SAPSLL/CORCTSC_S>-STCTS = 1.
</SAPSLL/CORCTSC_S>-LAND1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/CORCTSC_S-ALQUA, sy-vline,
  WA_/SAPSLL/CORCTSC_S-ALUOM, sy-vline,
  WA_/SAPSLL/CORCTSC_S-ALQUA2, sy-vline,
  WA_/SAPSLL/CORCTSC_S-ALUOM2, sy-vline,
  WA_/SAPSLL/CORCTSC_S-ALQUA3, sy-vline,
  WA_/SAPSLL/CORCTSC_S-ALUOM3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/CORCTSC_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/CORCTSC_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/CORCTSC_S INTO WA_/SAPSLL/CORCTSC_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 CUNIT, internal->external for field ALUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CORCTSC_S-ALUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CORCTSC_S-ALUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALUOM2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CORCTSC_S-ALUOM2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CORCTSC_S-ALUOM2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALUOM3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CORCTSC_S-ALUOM3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CORCTSC_S-ALUOM3.
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/CORCTSC_S_STR, 
POBJT TYPE STRING,
GUID_POBJ TYPE STRING,
GUID_CTSNUMC TYPE STRING,
STCTS TYPE STRING,
LAND1 TYPE STRING,
ALQUA TYPE STRING,
ALUOM TYPE STRING,
ALQUA2 TYPE STRING,
ALUOM2 TYPE STRING,
ALQUA3 TYPE STRING,
ALUOM3 TYPE STRING,
MOBJT TYPE STRING,
GUID_MOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/CORCTSC_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/CORCTSC_S_STR-POBJT sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-GUID_POBJ sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-GUID_CTSNUMC sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-STCTS sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-LAND1 sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALQUA sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALUOM sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALQUA2 sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALUOM2 sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALQUA3 sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-ALUOM3 sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-MOBJT sy-vline 
WA_/SAPSLL/CORCTSC_S_STR-GUID_MOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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