ABAP Select data from SAP table EEDM_TREE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EEDM_TREE_DATA
*  INTO TABLE @DATA(IT_EEDM_TREE_DATA2).
*--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_EEDM_TREE_DATA INDEX 1 INTO DATA(WA_EEDM_TREE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EEDM_TREE_DATA>-IPARTNER = 1.
<EEDM_TREE_DATA>-IFKKVKP = 1.
<EEDM_TREE_DATA>-IEVER = 1.
<EEDM_TREE_DATA>-IEANL = 1.
<EEDM_TREE_DATA>-IEASTL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EEDM_TREE_DATA-IEGER, sy-vline,
  WA_EEDM_TREE_DATA-IETDZ, sy-vline,
  WA_EEDM_TREE_DATA-IEPROFASS, sy-vline,
  WA_EEDM_TREE_DATA-IEHAU, sy-vline,
  WA_EEDM_TREE_DATA-IEGPL, sy-vline,
  WA_EEDM_TREE_DATA-IPROFILE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EEDM_TREE_DATA 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_EEDM_TREE_DATA 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_EEDM_TREE_DATA INTO WA_EEDM_TREE_DATA.


*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_EEDM_TREE_DATA_STR, 
IPARTNER TYPE STRING,
IFKKVKP TYPE STRING,
IEVER TYPE STRING,
IEANL TYPE STRING,
IEASTL TYPE STRING,
IEGER TYPE STRING,
IETDZ TYPE STRING,
IEPROFASS TYPE STRING,
IEHAU TYPE STRING,
IEGPL TYPE STRING,
IPROFILE TYPE STRING,
UI TYPE STRING,
IEEDM_TREE_UI TYPE STRING,
IEUILNR TYPE STRING,
IEUILZW TYPE STRING,
IEUIINSTLN TYPE STRING,
EEDMSETTLUNIT TYPE STRING,
MANDT TYPE STRING,
SETTLUNIT TYPE STRING,
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
SPARTYP TYPE STRING,
SETTLCOORD TYPE STRING,
SETTLTRANSCO TYPE STRING,
SETTLSUPPLIER TYPE STRING,
SUNITCAT TYPE STRING,
SETTLVIEW TYPE STRING,
SETTLUNITEXT TYPE STRING,
SETTLUNITGRID TYPE STRING,
SETTLUNITRESP TYPE STRING,
SETTLVIEWADD TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
EGRID TYPE STRING,
MANDT TYPE STRING,
GRID_ID TYPE STRING,
SUP_GRID_ID TYPE STRING,
SPARTYP TYPE STRING,
GRID_LEVEL_TYPE TYPE STRING,
EXTERNALID TYPE STRING,
EXT_CODELISTID TYPE STRING,
EEDMSETTLDOCVARH TYPE STRING,
MANDT TYPE STRING,
SETTLDOCSELECT TYPE STRING,
INT_UI TYPE STRING,
SPARTYP TYPE STRING,
SERVICE_PROV TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
SETTLVIEW TYPE STRING,
IERTPIFACEINP TYPE STRING,
IERTPIFACEINSTPAR TYPE STRING,
IELPASS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EEDM_TREE_DATA_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_EEDM_TREE_DATA_STR-IPARTNER sy-vline 
WA_EEDM_TREE_DATA_STR-IFKKVKP sy-vline 
WA_EEDM_TREE_DATA_STR-IEVER sy-vline 
WA_EEDM_TREE_DATA_STR-IEANL sy-vline 
WA_EEDM_TREE_DATA_STR-IEASTL sy-vline 
WA_EEDM_TREE_DATA_STR-IEGER sy-vline 
WA_EEDM_TREE_DATA_STR-IETDZ sy-vline 
WA_EEDM_TREE_DATA_STR-IEPROFASS sy-vline 
WA_EEDM_TREE_DATA_STR-IEHAU sy-vline 
WA_EEDM_TREE_DATA_STR-IEGPL sy-vline 
WA_EEDM_TREE_DATA_STR-IPROFILE sy-vline 
WA_EEDM_TREE_DATA_STR-UI sy-vline 
WA_EEDM_TREE_DATA_STR-IEEDM_TREE_UI sy-vline 
WA_EEDM_TREE_DATA_STR-IEUILNR sy-vline 
WA_EEDM_TREE_DATA_STR-IEUILZW sy-vline 
WA_EEDM_TREE_DATA_STR-IEUIINSTLN sy-vline 
WA_EEDM_TREE_DATA_STR-EEDMSETTLUNIT sy-vline 
WA_EEDM_TREE_DATA_STR-MANDT sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLUNIT sy-vline 
WA_EEDM_TREE_DATA_STR-DATEFROM sy-vline 
WA_EEDM_TREE_DATA_STR-TIMEFROM sy-vline 
WA_EEDM_TREE_DATA_STR-DATETO sy-vline 
WA_EEDM_TREE_DATA_STR-TIMETO sy-vline 
WA_EEDM_TREE_DATA_STR-SPARTYP sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLCOORD sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLTRANSCO sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLSUPPLIER sy-vline 
WA_EEDM_TREE_DATA_STR-SUNITCAT sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLVIEW sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLUNITEXT sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLUNITGRID sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLUNITRESP sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLVIEWADD sy-vline 
WA_EEDM_TREE_DATA_STR-ERDAT sy-vline 
WA_EEDM_TREE_DATA_STR-ERNAM sy-vline 
WA_EEDM_TREE_DATA_STR-AEDAT sy-vline 
WA_EEDM_TREE_DATA_STR-AENAM sy-vline 
WA_EEDM_TREE_DATA_STR-EGRID sy-vline 
WA_EEDM_TREE_DATA_STR-MANDT sy-vline 
WA_EEDM_TREE_DATA_STR-GRID_ID sy-vline 
WA_EEDM_TREE_DATA_STR-SUP_GRID_ID sy-vline 
WA_EEDM_TREE_DATA_STR-SPARTYP sy-vline 
WA_EEDM_TREE_DATA_STR-GRID_LEVEL_TYPE sy-vline 
WA_EEDM_TREE_DATA_STR-EXTERNALID sy-vline 
WA_EEDM_TREE_DATA_STR-EXT_CODELISTID sy-vline 
WA_EEDM_TREE_DATA_STR-EEDMSETTLDOCVARH sy-vline 
WA_EEDM_TREE_DATA_STR-MANDT sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLDOCSELECT sy-vline 
WA_EEDM_TREE_DATA_STR-INT_UI sy-vline 
WA_EEDM_TREE_DATA_STR-SPARTYP sy-vline 
WA_EEDM_TREE_DATA_STR-SERVICE_PROV sy-vline 
WA_EEDM_TREE_DATA_STR-ERDAT sy-vline 
WA_EEDM_TREE_DATA_STR-ERNAM sy-vline 
WA_EEDM_TREE_DATA_STR-AEDAT sy-vline 
WA_EEDM_TREE_DATA_STR-AENAM sy-vline 
WA_EEDM_TREE_DATA_STR-BEGRU sy-vline 
WA_EEDM_TREE_DATA_STR-LOEVM sy-vline 
WA_EEDM_TREE_DATA_STR-SETTLVIEW sy-vline 
WA_EEDM_TREE_DATA_STR-IERTPIFACEINP sy-vline 
WA_EEDM_TREE_DATA_STR-IERTPIFACEINSTPAR sy-vline 
WA_EEDM_TREE_DATA_STR-IELPASS sy-vline      INTO ld_text SEPARATED BY SPACE.

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