ABAP Select data from SAP table CFMPOVARWGTMSR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFMPOVARWGTMSR
*  INTO TABLE @DATA(IT_CFMPOVARWGTMSR2).
*--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_CFMPOVARWGTMSR INDEX 1 INTO DATA(WA_CFMPOVARWGTMSR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFMPOVARWGTMSR>-MANDT = 1.
<CFMPOVARWGTMSR>-FLXBLMATLPLNGOBJVARIANTUUID = 1.
<CFMPOVARWGTMSR>-FLXMTPLOBJVARPRODUCT = 1.
<CFMPOVARWGTMSR>-PRODUCTDESCRIPTION = 1.
<CFMPOVARWGTMSR>-NETWEIGHT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFMPOVARWGTMSR-WEIGHTUNIT, sy-vline,
  WA_CFMPOVARWGTMSR-GROSSWEIGHT, sy-vline,
  WA_CFMPOVARWGTMSR-BASEUNITSPECIFICPRODUCTLENGTH, sy-vline,
  WA_CFMPOVARWGTMSR-BASEUNITSPECIFICPRODUCTWIDTH, sy-vline,
  WA_CFMPOVARWGTMSR-BASEUNITSPECIFICPRODUCTHEIGHT, sy-vline,
  WA_CFMPOVARWGTMSR-PRODUCTMEASUREMENTUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFMPOVARWGTMSR 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_CFMPOVARWGTMSR 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_CFMPOVARWGTMSR INTO WA_CFMPOVARWGTMSR.


*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.

*Conversion exit MATN1, internal->external for field FLXMTPLOBJVARPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CFMPOVARWGTMSR-FLXMTPLOBJVARPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFMPOVARWGTMSR-FLXMTPLOBJVARPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WEIGHTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFMPOVARWGTMSR-WEIGHTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFMPOVARWGTMSR-WEIGHTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRODUCTMEASUREMENTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFMPOVARWGTMSR-PRODUCTMEASUREMENTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFMPOVARWGTMSR-PRODUCTMEASUREMENTUNIT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CFMPOVARWGTMSR_STR, 
MANDT TYPE STRING,
FLXBLMATLPLNGOBJVARIANTUUID TYPE STRING,
FLXMTPLOBJVARPRODUCT TYPE STRING,
PRODUCTDESCRIPTION TYPE STRING,
NETWEIGHT TYPE STRING,
WEIGHTUNIT TYPE STRING,
GROSSWEIGHT TYPE STRING,
BASEUNITSPECIFICPRODUCTLENGTH TYPE STRING,
BASEUNITSPECIFICPRODUCTWIDTH TYPE STRING,
BASEUNITSPECIFICPRODUCTHEIGHT TYPE STRING,
PRODUCTMEASUREMENTUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFMPOVARWGTMSR_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_CFMPOVARWGTMSR_STR-MANDT sy-vline 
WA_CFMPOVARWGTMSR_STR-FLXBLMATLPLNGOBJVARIANTUUID sy-vline 
WA_CFMPOVARWGTMSR_STR-FLXMTPLOBJVARPRODUCT sy-vline 
WA_CFMPOVARWGTMSR_STR-PRODUCTDESCRIPTION sy-vline 
WA_CFMPOVARWGTMSR_STR-NETWEIGHT sy-vline 
WA_CFMPOVARWGTMSR_STR-WEIGHTUNIT sy-vline 
WA_CFMPOVARWGTMSR_STR-GROSSWEIGHT sy-vline 
WA_CFMPOVARWGTMSR_STR-BASEUNITSPECIFICPRODUCTLENGTH sy-vline 
WA_CFMPOVARWGTMSR_STR-BASEUNITSPECIFICPRODUCTWIDTH sy-vline 
WA_CFMPOVARWGTMSR_STR-BASEUNITSPECIFICPRODUCTHEIGHT sy-vline 
WA_CFMPOVARWGTMSR_STR-PRODUCTMEASUREMENTUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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