ABAP Select data from SAP table DTAUS_CONTROL_FG into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DTAUS_CONTROL_FG 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 DTAUS_CONTROL_FG. 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 DTAUS_CONTROL_FG 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_DTAUS_CONTROL_FG TYPE STANDARD TABLE OF DTAUS_CONTROL_FG,
      WA_DTAUS_CONTROL_FG TYPE DTAUS_CONTROL_FG,
      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: <DTAUS_CONTROL_FG> TYPE DTAUS_CONTROL_FG.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DTAUS_CONTROL_FG
  INTO TABLE IT_DTAUS_CONTROL_FG.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTAUS_CONTROL_FG
*  INTO TABLE @DATA(IT_DTAUS_CONTROL_FG2).
*--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_DTAUS_CONTROL_FG INDEX 1 INTO DATA(WA_DTAUS_CONTROL_FG2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DTAUS_CONTROL_FG ASSIGNING <DTAUS_CONTROL_FG>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTAUS_CONTROL_FG>-CT1 = 1.
<DTAUS_CONTROL_FG>-CT2 = 1.
<DTAUS_CONTROL_FG>-CT3 = 1.
<DTAUS_CONTROL_FG>-CT4 = 1.
<DTAUS_CONTROL_FG>-CT5 = 1.

ENDLOOP.

LOOP AT IT_DTAUS_CONTROL_FG INTO WA_DTAUS_CONTROL_FG.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTAUS_CONTROL_FG-CT6, sy-vline,
  WA_DTAUS_CONTROL_FG-CT7, sy-vline,
  WA_DTAUS_CONTROL_FG-CT8, sy-vline,
  WA_DTAUS_CONTROL_FG-CT9, sy-vline,
  WA_DTAUS_CONTROL_FG-CT10, sy-vline,
  WA_DTAUS_CONTROL_FG-CT11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DTAUS_CONTROL_FG 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_DTAUS_CONTROL_FG 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_DTAUS_CONTROL_FG INTO WA_DTAUS_CONTROL_FG.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DTAUS_CONTROL_FG_STR, 
CT1 TYPE STRING,
CT2 TYPE STRING,
CT3 TYPE STRING,
CT4 TYPE STRING,
CT5 TYPE STRING,
CT6 TYPE STRING,
CT7 TYPE STRING,
CT8 TYPE STRING,
CT9 TYPE STRING,
CT10 TYPE STRING,
CT11 TYPE STRING,
CT12 TYPE STRING,
CT13 TYPE STRING,
CT14 TYPE STRING,
CT15 TYPE STRING,
CT16 TYPE STRING,
CT17 TYPE STRING,
CT18 TYPE STRING,
CT19 TYPE STRING,
CT20 TYPE STRING,
CT21 TYPE STRING,
CT22 TYPE STRING,
CT23 TYPE STRING,
CT24 TYPE STRING,
CT25 TYPE STRING,
CT26 TYPE STRING,
CT27 TYPE STRING,
CT28 TYPE STRING,
CT29 TYPE STRING,
CT30 TYPE STRING,
CT31 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTAUS_CONTROL_FG_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_DTAUS_CONTROL_FG_STR-CT1 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT2 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT3 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT4 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT5 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT6 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT7 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT8 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT9 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT10 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT11 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT12 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT13 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT14 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT15 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT16 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT17 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT18 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT19 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT20 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT21 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT22 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT23 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT24 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT25 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT26 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT27 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT28 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT29 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT30 sy-vline 
WA_DTAUS_CONTROL_FG_STR-CT31 sy-vline      INTO ld_text SEPARATED BY SPACE.

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