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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSLL/CUHD_CFB_CONTROL_S
*  INTO TABLE @DATA(IT_/SAPSLL/CUHD_CFB_CONTROL_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/CUHD_CFB_CONTROL_S INDEX 1 INTO DATA(WA_/SAPSLL/CUHD_CFB_CONTROL_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSLL/CUHD_CFB_CONTROL_S>-FCODE = 1.
</SAPSLL/CUHD_CFB_CONTROL_S>-SUB1 = 1.
</SAPSLL/CUHD_CFB_CONTROL_S>-SUB2 = 1.
</SAPSLL/CUHD_CFB_CONTROL_S>-TRTYP = 1.
</SAPSLL/CUHD_CFB_CONTROL_S>-FIRST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSLL/CUHD_CFB_CONTROL_S-TPAFCTT, sy-vline,
  WA_/SAPSLL/CUHD_CFB_CONTROL_S-TPAFCT, sy-vline,
  WA_/SAPSLL/CUHD_CFB_CONTROL_S-IWTXT, sy-vline,
  WA_/SAPSLL/CUHD_CFB_CONTROL_S-GUID_CUIT, sy-vline,
  WA_/SAPSLL/CUHD_CFB_CONTROL_S-CDTXT, sy-vline,
  WA_/SAPSLL/CUHD_CFB_CONTROL_S-CUIT_SK_ITO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSLL/CUHD_CFB_CONTROL_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/CUHD_CFB_CONTROL_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/CUHD_CFB_CONTROL_S INTO WA_/SAPSLL/CUHD_CFB_CONTROL_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 ALPHA, internal->external for field ITVSY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CUHD_CFB_CONTROL_S-ITVSY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CUHD_CFB_CONTROL_S-ITVSY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSLL/CUHD_CFB_CONTROL_S-CORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSLL/CUHD_CFB_CONTROL_S-CORDER.
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/CUHD_CFB_CONTROL_S_STR, 
FCODE TYPE STRING,
SUB1 TYPE STRING,
SUB2 TYPE STRING,
TRTYP TYPE STRING,
FIRST TYPE STRING,
TPAFCTT TYPE STRING,
TPAFCT TYPE STRING,
IWTXT TYPE STRING,
GUID_CUIT TYPE STRING,
CDTXT TYPE STRING,
CUIT_SK_ITO TYPE STRING,
GUID_CUHD TYPE STRING,
ITVSY TYPE STRING,
CUHD_SK TYPE STRING,
CORDER TYPE STRING,
COYEAR TYPE STRING,
CORFLO_T TYPE STRING,
READ_ARCHIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSLL/CUHD_CFB_CONTROL_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/CUHD_CFB_CONTROL_S_STR-FCODE sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-SUB1 sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-SUB2 sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-TRTYP sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-FIRST sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-TPAFCTT sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-TPAFCT sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-IWTXT sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-GUID_CUIT sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-CDTXT sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-CUIT_SK_ITO sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-GUID_CUHD sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-ITVSY sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-CUHD_SK sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-CORDER sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-COYEAR sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-CORFLO_T sy-vline 
WA_/SAPSLL/CUHD_CFB_CONTROL_S_STR-READ_ARCHIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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