ABAP Select data from SAP table /SAPAPO/CTM_SCPRFL_IO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/CTM_SCPRFL_IO
*  INTO TABLE @DATA(IT_/SAPAPO/CTM_SCPRFL_IO2).
*--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_/SAPAPO/CTM_SCPRFL_IO INDEX 1 INTO DATA(WA_/SAPAPO/CTM_SCPRFL_IO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/CTM_SCPRFL_IO>-MANDT = 1.
</SAPAPO/CTM_SCPRFL_IO>-SCPRFLID = 1.
</SAPAPO/CTM_SCPRFL_IO>-DEFCAT = 1.
</SAPAPO/CTM_SCPRFL_IO>-SCBYSUPLI = 1.
</SAPAPO/CTM_SCPRFL_IO>-SCBYCAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/CTM_SCPRFL_IO-SUPSPLIT, sy-vline,
  WA_/SAPAPO/CTM_SCPRFL_IO-INVLIVERS, sy-vline,
  WA_/SAPAPO/CTM_SCPRFL_IO-USEATPCAT, sy-vline,
  WA_/SAPAPO/CTM_SCPRFL_IO-CREATEUSR, sy-vline,
  WA_/SAPAPO/CTM_SCPRFL_IO-CREATETST, sy-vline,
  WA_/SAPAPO/CTM_SCPRFL_IO-CHANGEUSR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/CTM_SCPRFL_IO 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_/SAPAPO/CTM_SCPRFL_IO 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_/SAPAPO/CTM_SCPRFL_IO INTO WA_/SAPAPO/CTM_SCPRFL_IO.


*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 TSTLC, internal->external for field CREATETST
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CTM_SCPRFL_IO-CREATETST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CTM_SCPRFL_IO-CREATETST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field CHANGETST
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/CTM_SCPRFL_IO-CHANGETST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/CTM_SCPRFL_IO-CHANGETST.
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_/SAPAPO/CTM_SCPRFL_IO_STR, 
MANDT TYPE STRING,
SCPRFLID TYPE STRING,
DEFCAT TYPE STRING,
SCBYSUPLI TYPE STRING,
SCBYCAT TYPE STRING,
SUPSPLIT TYPE STRING,
INVLIVERS TYPE STRING,
USEATPCAT TYPE STRING,
CREATEUSR TYPE STRING,
CREATETST TYPE STRING,
CHANGEUSR TYPE STRING,
CHANGETST TYPE STRING,
SCPRFLTXT TYPE STRING,
INVLIVERSTXT TYPE STRING,
CREATEDATE TYPE STRING,
CREATETIME TYPE STRING,
CHANGEDATE TYPE STRING,
CHANGETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/CTM_SCPRFL_IO_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_/SAPAPO/CTM_SCPRFL_IO_STR-MANDT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-SCPRFLID sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-DEFCAT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-SCBYSUPLI sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-SCBYCAT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-SUPSPLIT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-INVLIVERS sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-USEATPCAT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CREATEUSR sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CREATETST sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CHANGEUSR sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CHANGETST sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-SCPRFLTXT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-INVLIVERSTXT sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CREATEDATE sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CREATETIME sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CHANGEDATE sy-vline 
WA_/SAPAPO/CTM_SCPRFL_IO_STR-CHANGETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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