ABAP Select data from SAP table PMD_S_PRD_PROC_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMD_S_PRD_PROC_ATTR
*  INTO TABLE @DATA(IT_PMD_S_PRD_PROC_ATTR2).
*--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_PMD_S_PRD_PROC_ATTR INDEX 1 INTO DATA(WA_PMD_S_PRD_PROC_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMD_S_PRD_PROC_ATTR>-PRODUCT = 1.
<PMD_S_PRD_PROC_ATTR>-PURCHASEORDERQUANTITYUNIT = 1.
<PMD_S_PRD_PROC_ATTR>-VARBLPURORDUNITSTATUS = 1.
<PMD_S_PRD_PROC_ATTR>-PURCHASINGACKNPROFILE = 1.
<PMD_S_PRD_PROC_ATTR>-SOURCEOFSUPPLYCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMD_S_PRD_PROC_ATTR-PURCHASINGGROUP, sy-vline,
  WA_PMD_S_PRD_PROC_ATTR-PROCUREMENTRULE, sy-vline,
  WA_PMD_S_PRD_PROC_ATTR-STORELISTINGENDDATE, sy-vline,
  WA_PMD_S_PRD_PROC_ATTR-DISTRCNTRLISTINGENDDATE, sy-vline,
  WA_PMD_S_PRD_PROC_ATTR-STORELISTINGSTARTDATE, sy-vline,
  WA_PMD_S_PRD_PROC_ATTR-DISTRCNTRLISTINGSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMD_S_PRD_PROC_ATTR 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_PMD_S_PRD_PROC_ATTR 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_PMD_S_PRD_PROC_ATTR INTO WA_PMD_S_PRD_PROC_ATTR.


*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 PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMD_S_PRD_PROC_ATTR-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMD_S_PRD_PROC_ATTR-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PURCHASEORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMD_S_PRD_PROC_ATTR-PURCHASEORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMD_S_PRD_PROC_ATTR-PURCHASEORDERQUANTITYUNIT.
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_PMD_S_PRD_PROC_ATTR_STR, 
PRODUCT TYPE STRING,
PURCHASEORDERQUANTITYUNIT TYPE STRING,
VARBLPURORDUNITSTATUS TYPE STRING,
PURCHASINGACKNPROFILE TYPE STRING,
SOURCEOFSUPPLYCATEGORY TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PROCUREMENTRULE TYPE STRING,
STORELISTINGENDDATE TYPE STRING,
DISTRCNTRLISTINGENDDATE TYPE STRING,
STORELISTINGSTARTDATE TYPE STRING,
DISTRCNTRLISTINGSTARTDATE TYPE STRING,
STORELISTINGPROCEDURE TYPE STRING,
DISTRCNTRLISTINGPROCEDURE TYPE STRING,
PRODEXTASSORTMENTPRIORITY TYPE STRING,
ASSORTMENTGRADE TYPE STRING,
DUMMY_PRD_INCL_EEW_PS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMD_S_PRD_PROC_ATTR_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_PMD_S_PRD_PROC_ATTR_STR-PRODUCT sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-PURCHASEORDERQUANTITYUNIT sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-VARBLPURORDUNITSTATUS sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-PURCHASINGACKNPROFILE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-SOURCEOFSUPPLYCATEGORY sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-PURCHASINGGROUP sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-PROCUREMENTRULE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-STORELISTINGENDDATE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-DISTRCNTRLISTINGENDDATE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-STORELISTINGSTARTDATE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-DISTRCNTRLISTINGSTARTDATE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-STORELISTINGPROCEDURE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-DISTRCNTRLISTINGPROCEDURE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-PRODEXTASSORTMENTPRIORITY sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-ASSORTMENTGRADE sy-vline 
WA_PMD_S_PRD_PROC_ATTR_STR-DUMMY_PRD_INCL_EEW_PS sy-vline      INTO ld_text SEPARATED BY SPACE.

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