ABAP Select data from SAP table DTADUSBHIAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTADUSBHIAT
*  INTO TABLE @DATA(IT_DTADUSBHIAT2).
*--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_DTADUSBHIAT INDEX 1 INTO DATA(WA_DTADUSBHIAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTADUSBHIAT>-BH1 = 1.
<DTADUSBHIAT>-BH2 = 1.
<DTADUSBHIAT>-BH3 = 1.
<DTADUSBHIAT>-BH4 = 1.
<DTADUSBHIAT>-BH5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTADUSBHIAT-BH6, sy-vline,
  WA_DTADUSBHIAT-BH7, sy-vline,
  WA_DTADUSBHIAT-BH8, sy-vline,
  WA_DTADUSBHIAT-BH9, sy-vline,
  WA_DTADUSBHIAT-BH10, sy-vline,
  WA_DTADUSBHIAT-BH11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DTADUSBHIAT 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_DTADUSBHIAT 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_DTADUSBHIAT INTO WA_DTADUSBHIAT.


*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_DTADUSBHIAT_STR, 
BH1 TYPE STRING,
BH2 TYPE STRING,
BH3 TYPE STRING,
BH4 TYPE STRING,
BH5 TYPE STRING,
BH6 TYPE STRING,
BH7 TYPE STRING,
BH8 TYPE STRING,
BH9 TYPE STRING,
BH10 TYPE STRING,
BH11 TYPE STRING,
BH12 TYPE STRING,
BH13 TYPE STRING,
BH14 TYPE STRING,
BH15 TYPE STRING,
BH16 TYPE STRING,
BH17 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTADUSBHIAT_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_DTADUSBHIAT_STR-BH1 sy-vline 
WA_DTADUSBHIAT_STR-BH2 sy-vline 
WA_DTADUSBHIAT_STR-BH3 sy-vline 
WA_DTADUSBHIAT_STR-BH4 sy-vline 
WA_DTADUSBHIAT_STR-BH5 sy-vline 
WA_DTADUSBHIAT_STR-BH6 sy-vline 
WA_DTADUSBHIAT_STR-BH7 sy-vline 
WA_DTADUSBHIAT_STR-BH8 sy-vline 
WA_DTADUSBHIAT_STR-BH9 sy-vline 
WA_DTADUSBHIAT_STR-BH10 sy-vline 
WA_DTADUSBHIAT_STR-BH11 sy-vline 
WA_DTADUSBHIAT_STR-BH12 sy-vline 
WA_DTADUSBHIAT_STR-BH13 sy-vline 
WA_DTADUSBHIAT_STR-BH14 sy-vline 
WA_DTADUSBHIAT_STR-BH15 sy-vline 
WA_DTADUSBHIAT_STR-BH16 sy-vline 
WA_DTADUSBHIAT_STR-BH17 sy-vline      INTO ld_text SEPARATED BY SPACE.

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