ABAP Select data from SAP table PUSRDFNDWGTG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUSRDFNDWGTG
*  INTO TABLE @DATA(IT_PUSRDFNDWGTG2).
*--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_PUSRDFNDWGTG INDEX 1 INTO DATA(WA_PUSRDFNDWGTG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUSRDFNDWGTG>-MANDT = 1.
<PUSRDFNDWGTG>-SUPPLIER = 1.
<PUSRDFNDWGTG>-PURCHASINGCATEGORY = 1.
<PUSRDFNDWGTG>-SUPLREVALUSERDEFINEDCRITERIA = 1.
<PUSRDFNDWGTG>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUSRDFNDWGTG-MATERIALGROUP, sy-vline,
  WA_PUSRDFNDWGTG-SUPPLIEREVALUSRCRITERIA1WGTG, sy-vline,
  WA_PUSRDFNDWGTG-SUPPLIEREVALUSRCRITERIA2WGTG, sy-vline,
  WA_PUSRDFNDWGTG-SUPPLIEREVALUSRCRITERIA3WGTG, sy-vline,
  WA_PUSRDFNDWGTG-SUPPLIEREVALUSRCRITERIA4WGTG, sy-vline,
  WA_PUSRDFNDWGTG-SUPPLIEREVALUSRCRITERIA5WGTG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUSRDFNDWGTG 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_PUSRDFNDWGTG 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_PUSRDFNDWGTG INTO WA_PUSRDFNDWGTG.


*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 ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUSRDFNDWGTG-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUSRDFNDWGTG-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUSRDFNDWGTG-PURCHASINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUSRDFNDWGTG-PURCHASINGCATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORYWGT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PUSRDFNDWGTG-PURCHASINGCATEGORYWGT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUSRDFNDWGTG-PURCHASINGCATEGORYWGT.
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_PUSRDFNDWGTG_STR, 
MANDT TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
SUPLREVALUSERDEFINEDCRITERIA TYPE STRING,
VALIDFROM TYPE STRING,
MATERIALGROUP TYPE STRING,
SUPPLIEREVALUSRCRITERIA1WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA2WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA3WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA4WGTG TYPE STRING,
SUPPLIEREVALUSRCRITERIA5WGTG TYPE STRING,
SUPLREVALUSRCRITERIA6WGTGVALUE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA1SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA2SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA3SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA4SCORE TYPE STRING,
SUPLREVALUSRDFNDCRITERIA5SCORE TYPE STRING,
SUPPLIEREVALUSRCRITERIA6VALUE TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA1 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA2 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA3 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA4 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA5 TYPE STRING,
NMBROFSUPLREVALUSRDFNDCRITRA6 TYPE STRING,
PURCHASINGCATEGORYWGT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUSRDFNDWGTG_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_PUSRDFNDWGTG_STR-MANDT sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIER sy-vline 
WA_PUSRDFNDWGTG_STR-PURCHASINGCATEGORY sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSERDEFINEDCRITERIA sy-vline 
WA_PUSRDFNDWGTG_STR-VALIDFROM sy-vline 
WA_PUSRDFNDWGTG_STR-MATERIALGROUP sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA1WGTG sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA2WGTG sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA3WGTG sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA4WGTG sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA5WGTG sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRCRITERIA6WGTGVALUE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRDFNDCRITERIA1SCORE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRDFNDCRITERIA2SCORE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRDFNDCRITERIA3SCORE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRDFNDCRITERIA4SCORE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPLREVALUSRDFNDCRITERIA5SCORE sy-vline 
WA_PUSRDFNDWGTG_STR-SUPPLIEREVALUSRCRITERIA6VALUE sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA1 sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA2 sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA3 sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA4 sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA5 sy-vline 
WA_PUSRDFNDWGTG_STR-NMBROFSUPLREVALUSRDFNDCRITRA6 sy-vline 
WA_PUSRDFNDWGTG_STR-PURCHASINGCATEGORYWGT sy-vline      INTO ld_text SEPARATED BY SPACE.

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