ABAP Select data from SAP table IDGT_S_UI_HEADER_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDGT_S_UI_HEADER_INFO
*  INTO TABLE @DATA(IT_IDGT_S_UI_HEADER_INFO2).
*--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_IDGT_S_UI_HEADER_INFO INDEX 1 INTO DATA(WA_IDGT_S_UI_HEADER_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDGT_S_UI_HEADER_INFO>-VBELN = 1.
<IDGT_S_UI_HEADER_INFO>-GTD_STATUS = 1.
<IDGT_S_UI_HEADER_INFO>-GTSTATUS = 1.
<IDGT_S_UI_HEADER_INFO>-COMBINEID = 1.
<IDGT_S_UI_HEADER_INFO>-CANCELIND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDGT_S_UI_HEADER_INFO-NETWR, sy-vline,
  WA_IDGT_S_UI_HEADER_INFO-SENTDATE, sy-vline,
  WA_IDGT_S_UI_HEADER_INFO-KUNNR, sy-vline,
  WA_IDGT_S_UI_HEADER_INFO-KNAME1, sy-vline,
  WA_IDGT_S_UI_HEADER_INFO-KSTRAS, sy-vline,
  WA_IDGT_S_UI_HEADER_INFO-KBANKA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDGT_S_UI_HEADER_INFO 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_IDGT_S_UI_HEADER_INFO 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_IDGT_S_UI_HEADER_INFO INTO WA_IDGT_S_UI_HEADER_INFO.


*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 VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDGT_S_UI_HEADER_INFO-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGT_S_UI_HEADER_INFO-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDGT_S_UI_HEADER_INFO-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGT_S_UI_HEADER_INFO-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDGT_S_UI_HEADER_INFO-KUNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGT_S_UI_HEADER_INFO-KUNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURRF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_IDGT_S_UI_HEADER_INFO-KURRF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDGT_S_UI_HEADER_INFO-KURRF.
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_IDGT_S_UI_HEADER_INFO_STR, 
VBELN TYPE STRING,
GTD_STATUS TYPE STRING,
GTSTATUS TYPE STRING,
COMBINEID TYPE STRING,
CANCELIND TYPE STRING,
NETWR TYPE STRING,
SENTDATE TYPE STRING,
KUNNR TYPE STRING,
KNAME1 TYPE STRING,
KSTRAS TYPE STRING,
KBANKA TYPE STRING,
VSTRAS TYPE STRING,
VBANKA TYPE STRING,
VUSNAM TYPE STRING,
CUSNAM TYPE STRING,
KSTCD5 TYPE STRING,
VSTCD1 TYPE STRING,
CURRENCY TYPE STRING,
CTYPE TYPE STRING,
CTYPE_D TYPE STRING,
STATUS_TOOL TYPE STRING,
CUSTOMER_TOOL TYPE STRING,
NOTE TYPE STRING,
KUNAG TYPE STRING,
KURRF TYPE STRING,
FWBTR TYPE STRING,
FWAER TYPE STRING,
NOTE2 TYPE STRING,
DOC_DATE TYPE STRING,
DOC_TIME TYPE STRING,
BUYER_PHONE TYPE STRING,
BUYER_MOBILE TYPE STRING,
BUYER_PROVINCE TYPE STRING,
BUYER_EMAIL TYPE STRING,
RED_NOTE_IND TYPE STRING,
GTCODENMBR TYPE STRING,
PARENT_KEY TYPE STRING,
ROW_KEY TYPE STRING,
EXPANDED TYPE STRING,
IS_LEAF TYPE STRING,
TEXT TYPE STRING,
CHILDREN_LOADED TYPE STRING,
IMAGE_SRC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDGT_S_UI_HEADER_INFO_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_IDGT_S_UI_HEADER_INFO_STR-VBELN sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-GTD_STATUS sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-GTSTATUS sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-COMBINEID sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CANCELIND sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-NETWR sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-SENTDATE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KUNNR sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KNAME1 sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KSTRAS sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KBANKA sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-VSTRAS sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-VBANKA sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-VUSNAM sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CUSNAM sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KSTCD5 sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-VSTCD1 sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CURRENCY sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CTYPE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CTYPE_D sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-STATUS_TOOL sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CUSTOMER_TOOL sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-NOTE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KUNAG sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-KURRF sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-FWBTR sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-FWAER sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-NOTE2 sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-DOC_DATE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-DOC_TIME sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-BUYER_PHONE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-BUYER_MOBILE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-BUYER_PROVINCE sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-BUYER_EMAIL sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-RED_NOTE_IND sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-GTCODENMBR sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-PARENT_KEY sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-ROW_KEY sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-EXPANDED sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-IS_LEAF sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-TEXT sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-CHILDREN_LOADED sy-vline 
WA_IDGT_S_UI_HEADER_INFO_STR-IMAGE_SRC sy-vline      INTO ld_text SEPARATED BY SPACE.

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