ABAP Select data from SAP table ISUPDMNDADSTO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISUPDMNDADSTO
*  INTO TABLE @DATA(IT_ISUPDMNDADSTO2).
*--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_ISUPDMNDADSTO INDEX 1 INTO DATA(WA_ISUPDMNDADSTO2).


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

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

ENDLOOP.

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

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


*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 REQUIREMENTDOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISUPDMNDADSTO-REQUIREMENTDOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUPDMNDADSTO-REQUIREMENTDOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISUPDMNDADSTO-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUPDMNDADSTO-SOLDTOPARTY.
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_ISUPDMNDADSTO_STR, 
MANDT TYPE STRING,
REQUIREMENTDOCUMENTNUMBER TYPE STRING,
REQUIREMENTDOCUMENTITEM TYPE STRING,
REQUESTEDDATE TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
REQUIREMENTTYPE TYPE STRING,
REQUESTEDRQMTQTYINBASEUNIT TYPE STRING,
CONFIRMEDRQMTQTYINBASEUNIT TYPE STRING,
DELIVEREDQUANTITYINBASEUNIT TYPE STRING,
OPENDEMANDQUANTITY TYPE STRING,
ASSIGNEDQUANTITYINBASEUNIT TYPE STRING,
NORMALASSIGNEDQUANTITYINBSUNT TYPE STRING,
PREVIEWASSIGNEDQUANTITYINBSUNT TYPE STRING,
BASEUNIT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
ORDERTYPE TYPE STRING,
CROSSPLANTCONFIGURABLEPRODUCT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALESDISTRICT TYPE STRING,
SOLDTOPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
STORAGELOCATION TYPE STRING,
PURGRELEASESEQUENCESTATUS TYPE STRING,
REQUIREMENTSEGMENT TYPE STRING,
SEGMENTATIONSTRATEGY TYPE STRING,
SEGMENTATIONSTRATEGYSCOPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISUPDMNDADSTO_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_ISUPDMNDADSTO_STR-MANDT sy-vline 
WA_ISUPDMNDADSTO_STR-REQUIREMENTDOCUMENTNUMBER sy-vline 
WA_ISUPDMNDADSTO_STR-REQUIREMENTDOCUMENTITEM sy-vline 
WA_ISUPDMNDADSTO_STR-REQUESTEDDATE sy-vline 
WA_ISUPDMNDADSTO_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_ISUPDMNDADSTO_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_ISUPDMNDADSTO_STR-REQUIREMENTTYPE sy-vline 
WA_ISUPDMNDADSTO_STR-REQUESTEDRQMTQTYINBASEUNIT sy-vline 
WA_ISUPDMNDADSTO_STR-CONFIRMEDRQMTQTYINBASEUNIT sy-vline 
WA_ISUPDMNDADSTO_STR-DELIVEREDQUANTITYINBASEUNIT sy-vline 
WA_ISUPDMNDADSTO_STR-OPENDEMANDQUANTITY sy-vline 
WA_ISUPDMNDADSTO_STR-ASSIGNEDQUANTITYINBASEUNIT sy-vline 
WA_ISUPDMNDADSTO_STR-NORMALASSIGNEDQUANTITYINBSUNT sy-vline 
WA_ISUPDMNDADSTO_STR-PREVIEWASSIGNEDQUANTITYINBSUNT sy-vline 
WA_ISUPDMNDADSTO_STR-BASEUNIT sy-vline 
WA_ISUPDMNDADSTO_STR-MATERIAL sy-vline 
WA_ISUPDMNDADSTO_STR-MATERIALGROUP sy-vline 
WA_ISUPDMNDADSTO_STR-PLANT sy-vline 
WA_ISUPDMNDADSTO_STR-ORDERTYPE sy-vline 
WA_ISUPDMNDADSTO_STR-CROSSPLANTCONFIGURABLEPRODUCT sy-vline 
WA_ISUPDMNDADSTO_STR-PURCHASINGORGANIZATION sy-vline 
WA_ISUPDMNDADSTO_STR-PURCHASINGGROUP sy-vline 
WA_ISUPDMNDADSTO_STR-SALESORGANIZATION sy-vline 
WA_ISUPDMNDADSTO_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ISUPDMNDADSTO_STR-DIVISION sy-vline 
WA_ISUPDMNDADSTO_STR-SALESDISTRICT sy-vline 
WA_ISUPDMNDADSTO_STR-SOLDTOPARTY sy-vline 
WA_ISUPDMNDADSTO_STR-COMPANYCODE sy-vline 
WA_ISUPDMNDADSTO_STR-STORAGELOCATION sy-vline 
WA_ISUPDMNDADSTO_STR-PURGRELEASESEQUENCESTATUS sy-vline 
WA_ISUPDMNDADSTO_STR-REQUIREMENTSEGMENT sy-vline 
WA_ISUPDMNDADSTO_STR-SEGMENTATIONSTRATEGY sy-vline 
WA_ISUPDMNDADSTO_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.