ABAP Select data from SAP table GSJ_1B_DUPLICATA_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GSJ_1B_DUPLICATA_HEADER 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 GSJ_1B_DUPLICATA_HEADER. 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 GSJ_1B_DUPLICATA_HEADER 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_GSJ_1B_DUPLICATA_HEADER TYPE STANDARD TABLE OF GSJ_1B_DUPLICATA_HEADER,
      WA_GSJ_1B_DUPLICATA_HEADER TYPE GSJ_1B_DUPLICATA_HEADER,
      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: <GSJ_1B_DUPLICATA_HEADER> TYPE GSJ_1B_DUPLICATA_HEADER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GSJ_1B_DUPLICATA_HEADER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GSJ_1B_DUPLICATA_HEADER
  INTO TABLE IT_GSJ_1B_DUPLICATA_HEADER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GSJ_1B_DUPLICATA_HEADER
*  INTO TABLE @DATA(IT_GSJ_1B_DUPLICATA_HEADER2).
*--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_GSJ_1B_DUPLICATA_HEADER INDEX 1 INTO DATA(WA_GSJ_1B_DUPLICATA_HEADER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GSJ_1B_DUPLICATA_HEADER ASSIGNING <GSJ_1B_DUPLICATA_HEADER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GSJ_1B_DUPLICATA_HEADER>-XEINZ = 1.
<GSJ_1B_DUPLICATA_HEADER>-UBNKA = 1.
<GSJ_1B_DUPLICATA_HEADER>-UBSTR = 1.
<GSJ_1B_DUPLICATA_HEADER>-UBORT = 1.
<GSJ_1B_DUPLICATA_HEADER>-SWNES = 1.

ENDLOOP.

LOOP AT IT_GSJ_1B_DUPLICATA_HEADER INTO WA_GSJ_1B_DUPLICATA_HEADER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GSJ_1B_DUPLICATA_HEADER-ZAHLT, sy-vline,
  WA_GSJ_1B_DUPLICATA_HEADER-ZALDT, sy-vline,
  WA_GSJ_1B_DUPLICATA_HEADER-UBKNT, sy-vline,
  WA_GSJ_1B_DUPLICATA_HEADER-TXTKO, sy-vline,
  WA_GSJ_1B_DUPLICATA_HEADER-WAERS, sy-vline,
  WA_GSJ_1B_DUPLICATA_HEADER-AUSTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GSJ_1B_DUPLICATA_HEADER 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_GSJ_1B_DUPLICATA_HEADER 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_GSJ_1B_DUPLICATA_HEADER INTO WA_GSJ_1B_DUPLICATA_HEADER.


*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_GSJ_1B_DUPLICATA_HEADER_STR, 
XEINZ TYPE STRING,
UBNKA TYPE STRING,
UBSTR TYPE STRING,
UBORT TYPE STRING,
SWNES TYPE STRING,
ZAHLT TYPE STRING,
ZALDT TYPE STRING,
UBKNT TYPE STRING,
TXTKO TYPE STRING,
WAERS TYPE STRING,
AUSTO TYPE STRING,
ABWAE TYPE STRING,
B20A TYPE STRING,
ABID TYPE STRING,
LAUFD TYPE STRING,
AUSFT TYPE STRING,
H010 TYPE STRING,
H015 TYPE STRING,
H020 TYPE STRING,
H025 TYPE STRING,
H030 TYPE STRING,
ANBLG TYPE STRING,
SUMME TYPE STRING,
OTXSL TYPE STRING,
TXTAB TYPE STRING,
PAGE_FLAG TYPE STRING,
FORDDTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GSJ_1B_DUPLICATA_HEADER_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_GSJ_1B_DUPLICATA_HEADER_STR-XEINZ sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-UBNKA sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-UBSTR sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-UBORT sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-SWNES sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-ZAHLT sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-ZALDT sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-UBKNT sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-TXTKO sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-WAERS sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-AUSTO sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-ABWAE sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-B20A sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-ABID sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-LAUFD sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-AUSFT sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-H010 sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-H015 sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-H020 sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-H025 sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-H030 sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-ANBLG sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-SUMME sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-OTXSL sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-TXTAB sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-PAGE_FLAG sy-vline 
WA_GSJ_1B_DUPLICATA_HEADER_STR-FORDDTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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