ABAP Select data from SAP table IADDITIONALTXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IADDITIONALTXT
*  INTO TABLE @DATA(IT_IADDITIONALTXT2).
*--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_IADDITIONALTXT INDEX 1 INTO DATA(WA_IADDITIONALTXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IADDITIONALTXT>-PROCESSFLOWLAYOUT = 1.
<IADDITIONALTXT>-PROCESSFLOWNODECATEGORY = 1.
<IADDITIONALTXT>-PROCESSFLOWISSEMANTICOBJECT = 1.
<IADDITIONALTXT>-PROCESSFLOWLANE = 1.
<IADDITIONALTXT>-PROCESSFLOWSTATUSFIELD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IADDITIONALTXT-PROCESSFLOWNODECDSVIEWNAME, sy-vline,
  WA_IADDITIONALTXT-PROCESSFLOWSEMANTICOBJECT, sy-vline,
  WA_IADDITIONALTXT-PROCESSFLOWNODETITLE, sy-vline,
  WA_IADDITIONALTXT-PROCESSFLOWNODESHORTTITLE, sy-vline,
  WA_IADDITIONALTXT-PROCESSFLOWHASLABEL, sy-vline,
  WA_IADDITIONALTXT-PROCESSFLOWHASLABELPOPOVER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IADDITIONALTXT 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_IADDITIONALTXT 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_IADDITIONALTXT INTO WA_IADDITIONALTXT.


*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_IADDITIONALTXT_STR, 
PROCESSFLOWLAYOUT TYPE STRING,
PROCESSFLOWNODECATEGORY TYPE STRING,
PROCESSFLOWISSEMANTICOBJECT TYPE STRING,
PROCESSFLOWLANE TYPE STRING,
PROCESSFLOWSTATUSFIELD TYPE STRING,
PROCESSFLOWNODECDSVIEWNAME TYPE STRING,
PROCESSFLOWSEMANTICOBJECT TYPE STRING,
PROCESSFLOWNODETITLE TYPE STRING,
PROCESSFLOWNODESHORTTITLE TYPE STRING,
PROCESSFLOWHASLABEL TYPE STRING,
PROCESSFLOWHASLABELPOPOVER TYPE STRING,
PROCESSFLOWHASNODEPOPOVER TYPE STRING,
PROCESSFLOW1STPARAMETERFIELD TYPE STRING,
PROCESSFLOW2NDPARAMETERFIELD TYPE STRING,
PROCESSFLOW3RDPARAMETERFIELD TYPE STRING,
PROCESSFLOW4THPARAMETERFIELD TYPE STRING,
PROCESSFLOW5THPARAMETERFIELD TYPE STRING,
PROCESSFLOW6THPARAMETERFIELD TYPE STRING,
PROCESSFLOWDYNAMICNODETITLE TYPE STRING,
PROCESSFLOWDYNNODESHORTTITLE TYPE STRING,
PROCESSFLOWHASOBJNAVGN TYPE STRING,
PROCESSFLOWHASACTN TYPE STRING,
PROCESSFLOWNODESECONDTEXTFIELD TYPE STRING,
PROCESSFLOW2NDADDITIONALTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IADDITIONALTXT_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_IADDITIONALTXT_STR-PROCESSFLOWLAYOUT sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWNODECATEGORY sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWISSEMANTICOBJECT sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWLANE sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWSTATUSFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWNODECDSVIEWNAME sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWSEMANTICOBJECT sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWNODETITLE sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWNODESHORTTITLE sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWHASLABEL sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWHASLABELPOPOVER sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWHASNODEPOPOVER sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW1STPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW2NDPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW3RDPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW4THPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW5THPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW6THPARAMETERFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWDYNAMICNODETITLE sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWDYNNODESHORTTITLE sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWHASOBJNAVGN sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWHASACTN sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOWNODESECONDTEXTFIELD sy-vline 
WA_IADDITIONALTXT_STR-PROCESSFLOW2NDADDITIONALTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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