ABAP Select data from SAP table DTADUSFGH_PLUS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTADUSFGH_PLUS
*  INTO TABLE @DATA(IT_DTADUSFGH_PLUS2).
*--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_DTADUSFGH_PLUS INDEX 1 INTO DATA(WA_DTADUSFGH_PLUS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTADUSFGH_PLUS>-GH1 = 1.
<DTADUSFGH_PLUS>-GH2 = 1.
<DTADUSFGH_PLUS>-GH3 = 1.
<DTADUSFGH_PLUS>-GH4 = 1.
<DTADUSFGH_PLUS>-GH5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTADUSFGH_PLUS-GH6, sy-vline,
  WA_DTADUSFGH_PLUS-GH7, sy-vline,
  WA_DTADUSFGH_PLUS-GH8, sy-vline,
  WA_DTADUSFGH_PLUS-GH9, sy-vline,
  WA_DTADUSFGH_PLUS-GH10, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_DTADUSFGH_PLUS 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_DTADUSFGH_PLUS 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_DTADUSFGH_PLUS INTO WA_DTADUSFGH_PLUS.


*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_DTADUSFGH_PLUS_STR, 
GH1 TYPE STRING,
GH2 TYPE STRING,
GH3 TYPE STRING,
GH4 TYPE STRING,
GH5 TYPE STRING,
GH6 TYPE STRING,
GH7 TYPE STRING,
GH8 TYPE STRING,
GH9 TYPE STRING,
GH10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTADUSFGH_PLUS_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_DTADUSFGH_PLUS_STR-GH1 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH2 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH3 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH4 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH5 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH6 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH7 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH8 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH9 sy-vline 
WA_DTADUSFGH_PLUS_STR-GH10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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