ABAP Select data from SAP table IDMECPRPTY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDMECPRPTY
*  INTO TABLE @DATA(IT_IDMECPRPTY2).
*--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_IDMECPRPTY INDEX 1 INTO DATA(WA_IDMECPRPTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDMECPRPTY>-MANDT = 1.
<IDMECPRPTY>-HIERARCHYTREETYPE = 1.
<IDMECPRPTY>-HIERARCHYTREE = 1.
<IDMECPRPTY>-HIERARCHYTREEVERSION = 1.
<IDMECPRPTY>-HIERARCHYTREEPARAMETERSSTRUC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDMECPRPTY-OUTPUTSTRUCTUREDELIMITERTYPE, sy-vline,
  WA_IDMECPRPTY-SEGMENTGROUPDELIMITERCHARVALUE, sy-vline,
  WA_IDMECPRPTY-SEGMENTDELIMITERCHARACTERVALUE, sy-vline,
  WA_IDMECPRPTY-COMPOSITEDELIMITERCHARVALUE, sy-vline,
  WA_IDMECPRPTY-DELIMITERISCOMPRESSED, sy-vline,
  WA_IDMECPRPTY-DELIMITERESCAPECHARACTERVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDMECPRPTY 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_IDMECPRPTY 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_IDMECPRPTY INTO WA_IDMECPRPTY.


*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_IDMECPRPTY_STR, 
MANDT TYPE STRING,
HIERARCHYTREETYPE TYPE STRING,
HIERARCHYTREE TYPE STRING,
HIERARCHYTREEVERSION TYPE STRING,
HIERARCHYTREEPARAMETERSSTRUC TYPE STRING,
OUTPUTSTRUCTUREDELIMITERTYPE TYPE STRING,
SEGMENTGROUPDELIMITERCHARVALUE TYPE STRING,
SEGMENTDELIMITERCHARACTERVALUE TYPE STRING,
COMPOSITEDELIMITERCHARVALUE TYPE STRING,
DELIMITERISCOMPRESSED TYPE STRING,
DELIMITERESCAPECHARACTERVALUE TYPE STRING,
HIERARCHYROOTNODE TYPE STRING,
SGMTGRPISCARRIAGERETSEPARATED TYPE STRING,
SEGMENTGRPISLINEFEEDSEPARATED TYPE STRING,
SEGMENTISCARRIAGERETSEPARATED TYPE STRING,
SEGMENTISLINEFEEDSEPARATED TYPE STRING,
ACCOMPANYINGSHEETTYPE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGETIME TYPE STRING,
SPECIALHANDLINGCHARACTER TYPE STRING,
SPECIALHANDLINGCHARACTERISEXCL TYPE STRING,
POSTPROCESSINGPROGRAMNAME TYPE STRING,
LENGTHISBYTES TYPE STRING,
DATARELEASEREQUESTID TYPE STRING,
HIERARCHYTREEVERSIONTYPE TYPE STRING,
XMLEMPTYELEMENTPROCESSINGTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDMECPRPTY_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_IDMECPRPTY_STR-MANDT sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYTREETYPE sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYTREE sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYTREEVERSION sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYTREEPARAMETERSSTRUC sy-vline 
WA_IDMECPRPTY_STR-OUTPUTSTRUCTUREDELIMITERTYPE sy-vline 
WA_IDMECPRPTY_STR-SEGMENTGROUPDELIMITERCHARVALUE sy-vline 
WA_IDMECPRPTY_STR-SEGMENTDELIMITERCHARACTERVALUE sy-vline 
WA_IDMECPRPTY_STR-COMPOSITEDELIMITERCHARVALUE sy-vline 
WA_IDMECPRPTY_STR-DELIMITERISCOMPRESSED sy-vline 
WA_IDMECPRPTY_STR-DELIMITERESCAPECHARACTERVALUE sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYROOTNODE sy-vline 
WA_IDMECPRPTY_STR-SGMTGRPISCARRIAGERETSEPARATED sy-vline 
WA_IDMECPRPTY_STR-SEGMENTGRPISLINEFEEDSEPARATED sy-vline 
WA_IDMECPRPTY_STR-SEGMENTISCARRIAGERETSEPARATED sy-vline 
WA_IDMECPRPTY_STR-SEGMENTISLINEFEEDSEPARATED sy-vline 
WA_IDMECPRPTY_STR-ACCOMPANYINGSHEETTYPE sy-vline 
WA_IDMECPRPTY_STR-LASTCHANGEDBYUSER sy-vline 
WA_IDMECPRPTY_STR-LASTCHANGEDATE sy-vline 
WA_IDMECPRPTY_STR-LASTCHANGETIME sy-vline 
WA_IDMECPRPTY_STR-SPECIALHANDLINGCHARACTER sy-vline 
WA_IDMECPRPTY_STR-SPECIALHANDLINGCHARACTERISEXCL sy-vline 
WA_IDMECPRPTY_STR-POSTPROCESSINGPROGRAMNAME sy-vline 
WA_IDMECPRPTY_STR-LENGTHISBYTES sy-vline 
WA_IDMECPRPTY_STR-DATARELEASEREQUESTID sy-vline 
WA_IDMECPRPTY_STR-HIERARCHYTREEVERSIONTYPE sy-vline 
WA_IDMECPRPTY_STR-XMLEMPTYELEMENTPROCESSINGTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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