ABAP Select data from SAP table /PLMU/S_SAP_VWR_SUBPART into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PLMU/S_SAP_VWR_SUBPART 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 /PLMU/S_SAP_VWR_SUBPART. 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 /PLMU/S_SAP_VWR_SUBPART 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_/PLMU/S_SAP_VWR_SUBPART TYPE STANDARD TABLE OF /PLMU/S_SAP_VWR_SUBPART,
      WA_/PLMU/S_SAP_VWR_SUBPART TYPE /PLMU/S_SAP_VWR_SUBPART,
      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: </PLMU/S_SAP_VWR_SUBPART> TYPE /PLMU/S_SAP_VWR_SUBPART.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PLMU/S_SAP_VWR_SUBPART
  INTO TABLE IT_/PLMU/S_SAP_VWR_SUBPART.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMU/S_SAP_VWR_SUBPART
*  INTO TABLE @DATA(IT_/PLMU/S_SAP_VWR_SUBPART2).
*--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_/PLMU/S_SAP_VWR_SUBPART INDEX 1 INTO DATA(WA_/PLMU/S_SAP_VWR_SUBPART2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PLMU/S_SAP_VWR_SUBPART ASSIGNING </PLMU/S_SAP_VWR_SUBPART>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMU/S_SAP_VWR_SUBPART>-POSID = 1.
</PLMU/S_SAP_VWR_SUBPART>-NAME = 1.
</PLMU/S_SAP_VWR_SUBPART>-HIDE = 1.
</PLMU/S_SAP_VWR_SUBPART>-HIGHLIGHT = 1.
</PLMU/S_SAP_VWR_SUBPART>-ABSOLUTEPOSITION = 1.

ENDLOOP.

LOOP AT IT_/PLMU/S_SAP_VWR_SUBPART INTO WA_/PLMU/S_SAP_VWR_SUBPART.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMU/S_SAP_VWR_SUBPART-DESCRIPTION, sy-vline,
  WA_/PLMU/S_SAP_VWR_SUBPART-URI, sy-vline,
  WA_/PLMU/S_SAP_VWR_SUBPART-ADDITIONAL_FILES, sy-vline,
  WA_/PLMU/S_SAP_VWR_SUBPART-VARIANT, sy-vline,
  WA_/PLMU/S_SAP_VWR_SUBPART-TRANSFORMATIONMATRIX, sy-vline,
  WA_/PLMU/S_SAP_VWR_SUBPART-LOCOX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMU/S_SAP_VWR_SUBPART 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_/PLMU/S_SAP_VWR_SUBPART 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_/PLMU/S_SAP_VWR_SUBPART INTO WA_/PLMU/S_SAP_VWR_SUBPART.


*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_/PLMU/S_SAP_VWR_SUBPART_STR, 
POSID TYPE STRING,
NAME TYPE STRING,
HIDE TYPE STRING,
HIGHLIGHT TYPE STRING,
ABSOLUTEPOSITION TYPE STRING,
DESCRIPTION TYPE STRING,
URI TYPE STRING,
ADDITIONAL_FILES TYPE STRING,
VARIANT TYPE STRING,
TRANSFORMATIONMATRIX TYPE STRING,
LOCOX TYPE STRING,
LOCOY TYPE STRING,
LOCOZ TYPE STRING,
AXIS1X TYPE STRING,
AXIS1Y TYPE STRING,
AXIS1Z TYPE STRING,
AXIS2X TYPE STRING,
AXIS2Y TYPE STRING,
AXIS2Z TYPE STRING,
AXIS3X TYPE STRING,
AXIS3Y TYPE STRING,
AXIS3Z TYPE STRING,
SCALE TYPE STRING,
BOUNDINGBOX TYPE STRING,
XMIN TYPE STRING,
YMIN TYPE STRING,
ZMIN TYPE STRING,
XMAX TYPE STRING,
YMAX TYPE STRING,
ZMAX TYPE STRING,
METADATALIST TYPE STRING,
PARENTPOSID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMU/S_SAP_VWR_SUBPART_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_/PLMU/S_SAP_VWR_SUBPART_STR-POSID sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-NAME sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-HIDE sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-HIGHLIGHT sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-ABSOLUTEPOSITION sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-DESCRIPTION sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-URI sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-ADDITIONAL_FILES sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-VARIANT sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-TRANSFORMATIONMATRIX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-LOCOX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-LOCOY sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-LOCOZ sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS1X sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS1Y sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS1Z sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS2X sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS2Y sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS2Z sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS3X sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS3Y sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-AXIS3Z sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-SCALE sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-BOUNDINGBOX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-XMIN sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-YMIN sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-ZMIN sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-XMAX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-YMAX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-ZMAX sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-METADATALIST sy-vline 
WA_/PLMU/S_SAP_VWR_SUBPART_STR-PARENTPOSID sy-vline      INTO ld_text SEPARATED BY SPACE.

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