ABAP Select data from SAP table PSUPDMNDADCMP2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSUPDMNDADCMP2 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 PSUPDMNDADCMP2. 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 PSUPDMNDADCMP2 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_PSUPDMNDADCMP2 TYPE STANDARD TABLE OF PSUPDMNDADCMP2,
      WA_PSUPDMNDADCMP2 TYPE PSUPDMNDADCMP2,
      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: <PSUPDMNDADCMP2> TYPE PSUPDMNDADCMP2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PSUPDMNDADCMP2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSUPDMNDADCMP2
  INTO TABLE IT_PSUPDMNDADCMP2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSUPDMNDADCMP2
*  INTO TABLE @DATA(IT_PSUPDMNDADCMP22).
*--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_PSUPDMNDADCMP2 INDEX 1 INTO DATA(WA_PSUPDMNDADCMP22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSUPDMNDADCMP2 ASSIGNING <PSUPDMNDADCMP2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSUPDMNDADCMP2>-MANDT = 1.
<PSUPDMNDADCMP2>-REQUIREMENTDOCUMENTNUMBER = 1.
<PSUPDMNDADCMP2>-REQUIREMENTDOCUMENTITEM = 1.
<PSUPDMNDADCMP2>-REQUIREMENTTYPE = 1.
<PSUPDMNDADCMP2>-REQUESTEDDATE = 1.

ENDLOOP.

LOOP AT IT_PSUPDMNDADCMP2 INTO WA_PSUPDMNDADCMP2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSUPDMNDADCMP2-PRODUCTAVAILABILITYDATE, sy-vline,
  WA_PSUPDMNDADCMP2-REQUESTEDDELIVERYDATE, sy-vline,
  WA_PSUPDMNDADCMP2-REQUESTEDRQMTQTYINBASEUNIT, sy-vline,
  WA_PSUPDMNDADCMP2-CONFIRMEDRQMTQTYINBASEUNIT, sy-vline,
  WA_PSUPDMNDADCMP2-DELIVEREDQUANTITYINBASEUNIT, sy-vline,
  WA_PSUPDMNDADCMP2-OPENDEMANDQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSUPDMNDADCMP2 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_PSUPDMNDADCMP2 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_PSUPDMNDADCMP2 INTO WA_PSUPDMNDADCMP2.


*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 CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDADCMP2-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDADCMP2-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDADCMP2-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDADCMP2-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field CROSSPLANTCONFIGURABLEPRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDADCMP2-CROSSPLANTCONFIGURABLEPRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDADCMP2-CROSSPLANTCONFIGURABLEPRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDADCMP2-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDADCMP2-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSUPDMNDADCMP2-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUPDMNDADCMP2-SALESORDER.
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_PSUPDMNDADCMP2_STR, 
MANDT TYPE STRING,
REQUIREMENTDOCUMENTNUMBER TYPE STRING,
REQUIREMENTDOCUMENTITEM TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
REQUESTEDDATE TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
REQUESTEDRQMTQTYINBASEUNIT TYPE STRING,
CONFIRMEDRQMTQTYINBASEUNIT TYPE STRING,
DELIVEREDQUANTITYINBASEUNIT TYPE STRING,
OPENDEMANDQUANTITY TYPE STRING,
ASSIGNEDQUANTITYINBASEUNIT TYPE STRING,
NORMALASSIGNEDQUANTITYINBSUNT TYPE STRING,
PREVIEWASSIGNEDQUANTITYINBSUNT TYPE STRING,
WITHDRAWNQUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
ORDERTYPE TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
MATERIALTYPE TYPE STRING,
REQUIREMENTSEGMENT TYPE STRING,
STORAGELOCATION TYPE STRING,
CUSTOMER TYPE STRING,
COMPANYCODE TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
SEGMENTATIONSTRATEGY TYPE STRING,
SEGMENTATIONSTRATEGYSCOPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSUPDMNDADCMP2_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_PSUPDMNDADCMP2_STR-MANDT sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUIREMENTDOCUMENTNUMBER sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUIREMENTDOCUMENTITEM sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUIREMENTTYPE sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUESTEDDATE sy-vline 
WA_PSUPDMNDADCMP2_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUESTEDRQMTQTYINBASEUNIT sy-vline 
WA_PSUPDMNDADCMP2_STR-CONFIRMEDRQMTQTYINBASEUNIT sy-vline 
WA_PSUPDMNDADCMP2_STR-DELIVEREDQUANTITYINBASEUNIT sy-vline 
WA_PSUPDMNDADCMP2_STR-OPENDEMANDQUANTITY sy-vline 
WA_PSUPDMNDADCMP2_STR-ASSIGNEDQUANTITYINBASEUNIT sy-vline 
WA_PSUPDMNDADCMP2_STR-NORMALASSIGNEDQUANTITYINBSUNT sy-vline 
WA_PSUPDMNDADCMP2_STR-PREVIEWASSIGNEDQUANTITYINBSUNT sy-vline 
WA_PSUPDMNDADCMP2_STR-WITHDRAWNQUANTITY sy-vline 
WA_PSUPDMNDADCMP2_STR-BASEUNIT sy-vline 
WA_PSUPDMNDADCMP2_STR-MATERIAL sy-vline 
WA_PSUPDMNDADCMP2_STR-MATERIALGROUP sy-vline 
WA_PSUPDMNDADCMP2_STR-PLANT sy-vline 
WA_PSUPDMNDADCMP2_STR-ORDERTYPE sy-vline 
WA_PSUPDMNDADCMP2_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_PSUPDMNDADCMP2_STR-MATERIALTYPE sy-vline 
WA_PSUPDMNDADCMP2_STR-REQUIREMENTSEGMENT sy-vline 
WA_PSUPDMNDADCMP2_STR-STORAGELOCATION sy-vline 
WA_PSUPDMNDADCMP2_STR-CUSTOMER sy-vline 
WA_PSUPDMNDADCMP2_STR-COMPANYCODE sy-vline 
WA_PSUPDMNDADCMP2_STR-SALESORDER sy-vline 
WA_PSUPDMNDADCMP2_STR-SALESORDERITEM sy-vline 
WA_PSUPDMNDADCMP2_STR-SEGMENTATIONSTRATEGY sy-vline 
WA_PSUPDMNDADCMP2_STR-SEGMENTATIONSTRATEGYSCOPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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