ABAP Select data from SAP table SGBT_NTE_CONT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SGBT_NTE_CONT
*  INTO TABLE @DATA(IT_SGBT_NTE_CONT2).
*--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_SGBT_NTE_CONT INDEX 1 INTO DATA(WA_SGBT_NTE_CONT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SGBT_NTE_CONT>-MANDT = 1.
<SGBT_NTE_CONT>-NOTEID = 1.
<SGBT_NTE_CONT>-OBJECTNODETYPE = 1.
<SGBT_NTE_CONT>-OBJECTID = 1.
<SGBT_NTE_CONT>-NOTETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SGBT_NTE_CONT-LANGU, sy-vline,
  WA_SGBT_NTE_CONT-TITLE, sy-vline,
  WA_SGBT_NTE_CONT-MIMETYPE, sy-vline,
  WA_SGBT_NTE_CONT-LENGTH, sy-vline,
  WA_SGBT_NTE_CONT-CREATOR, sy-vline,
  WA_SGBT_NTE_CONT-CREATED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SGBT_NTE_CONT 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_SGBT_NTE_CONT 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_SGBT_NTE_CONT INTO WA_SGBT_NTE_CONT.


*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_SGBT_NTE_CONT_STR, 
MANDT TYPE STRING,
NOTEID TYPE STRING,
OBJECTNODETYPE TYPE STRING,
OBJECTID TYPE STRING,
NOTETYPE TYPE STRING,
LANGU TYPE STRING,
TITLE TYPE STRING,
MIMETYPE TYPE STRING,
LENGTH TYPE STRING,
CREATOR TYPE STRING,
CREATED TYPE STRING,
CHANGER TYPE STRING,
CHANGED TYPE STRING,
CONTENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SGBT_NTE_CONT_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_SGBT_NTE_CONT_STR-MANDT sy-vline 
WA_SGBT_NTE_CONT_STR-NOTEID sy-vline 
WA_SGBT_NTE_CONT_STR-OBJECTNODETYPE sy-vline 
WA_SGBT_NTE_CONT_STR-OBJECTID sy-vline 
WA_SGBT_NTE_CONT_STR-NOTETYPE sy-vline 
WA_SGBT_NTE_CONT_STR-LANGU sy-vline 
WA_SGBT_NTE_CONT_STR-TITLE sy-vline 
WA_SGBT_NTE_CONT_STR-MIMETYPE sy-vline 
WA_SGBT_NTE_CONT_STR-LENGTH sy-vline 
WA_SGBT_NTE_CONT_STR-CREATOR sy-vline 
WA_SGBT_NTE_CONT_STR-CREATED sy-vline 
WA_SGBT_NTE_CONT_STR-CHANGER sy-vline 
WA_SGBT_NTE_CONT_STR-CHANGED sy-vline 
WA_SGBT_NTE_CONT_STR-CONTENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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