ABAP Select data from SAP table ALLOUPSEGMENTPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ALLOUPSEGMENTPD
*  INTO TABLE @DATA(IT_ALLOUPSEGMENTPD2).
*--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_ALLOUPSEGMENTPD INDEX 1 INTO DATA(WA_ALLOUPSEGMENTPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ALLOUPSEGMENTPD>-MANDT = 1.
<ALLOUPSEGMENTPD>-ALLOCATIONUPLOADROWUUID = 1.
<ALLOUPSEGMENTPD>-UPLOADUUID = 1.
<ALLOUPSEGMENTPD>-ROWINDEX = 1.
<ALLOUPSEGMENTPD>-ALLOCATIONCYCLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ALLOUPSEGMENTPD-ALLOCATIONTYPE, sy-vline,
  WA_ALLOUPSEGMENTPD-LEDGER, sy-vline,
  WA_ALLOUPSEGMENTPD-ALLOCATIONCYCLESTARTDATE, sy-vline,
  WA_ALLOUPSEGMENTPD-ALLOCATIONCYCLESEGMENT, sy-vline,
  WA_ALLOUPSEGMENTPD-SEGMENTNAME, sy-vline,
  WA_ALLOUPSEGMENTPD-SEGMENTNAMEDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ALLOUPSEGMENTPD 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_ALLOUPSEGMENTPD 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_ALLOUPSEGMENTPD INTO WA_ALLOUPSEGMENTPD.


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

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

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

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

*Conversion exit ALPHA, internal->external for field RECEIVERGENERALLEDGERACCOUNTTO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ALLOUPSEGMENTPD-RECEIVERGENERALLEDGERACCOUNTTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ALLOUPSEGMENTPD-RECEIVERGENERALLEDGERACCOUNTTO.
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_ALLOUPSEGMENTPD_STR, 
MANDT TYPE STRING,
ALLOCATIONUPLOADROWUUID TYPE STRING,
UPLOADUUID TYPE STRING,
ROWINDEX TYPE STRING,
ALLOCATIONCYCLE TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
LEDGER TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,
ALLOCATIONCYCLESEGMENT TYPE STRING,
SEGMENTNAME TYPE STRING,
SEGMENTNAMEDESCRIPTION TYPE STRING,
ASSESSMENTCOSTELEMENT TYPE STRING,
ALLOCATIONSTRUCTURE TYPE STRING,
ALLOCATIONCURRENCY TYPE STRING,
ALLOCATIONSENDERRULE TYPE STRING,
ALLOCSEGMENTSHAREINPERCENT TYPE STRING,
ALLOCATIONRECEIVERRULE TYPE STRING,
ALLOCATIONFIELDGROUP TYPE STRING,
ALLOCSCNGTVTRACINGFCTR TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
UNITOFMEASURE TYPE STRING,
STATISTICALKEYFIGURE TYPE STRING,
RECEIVERGLACCOUNT TYPE STRING,
RECEIVERGENERALLEDGERACCOUNTTO TYPE STRING,
RECEIVERGLACCOUNTGROUP TYPE STRING,
BALANCETRANSACTIONCURRENCY TYPE STRING,
UPLOADEDBYUSER TYPE STRING,
UPLOADCREATIONDATETIME TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ALLOUPSEGMENTPD_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_ALLOUPSEGMENTPD_STR-MANDT sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONUPLOADROWUUID sy-vline 
WA_ALLOUPSEGMENTPD_STR-UPLOADUUID sy-vline 
WA_ALLOUPSEGMENTPD_STR-ROWINDEX sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONCYCLE sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONTYPE sy-vline 
WA_ALLOUPSEGMENTPD_STR-LEDGER sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONCYCLESTARTDATE sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONCYCLESEGMENT sy-vline 
WA_ALLOUPSEGMENTPD_STR-SEGMENTNAME sy-vline 
WA_ALLOUPSEGMENTPD_STR-SEGMENTNAMEDESCRIPTION sy-vline 
WA_ALLOUPSEGMENTPD_STR-ASSESSMENTCOSTELEMENT sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONSTRUCTURE sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONCURRENCY sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONSENDERRULE sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCSEGMENTSHAREINPERCENT sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONRECEIVERRULE sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCATIONFIELDGROUP sy-vline 
WA_ALLOUPSEGMENTPD_STR-ALLOCSCNGTVTRACINGFCTR sy-vline 
WA_ALLOUPSEGMENTPD_STR-PLANNINGCATEGORY sy-vline 
WA_ALLOUPSEGMENTPD_STR-UNITOFMEASURE sy-vline 
WA_ALLOUPSEGMENTPD_STR-STATISTICALKEYFIGURE sy-vline 
WA_ALLOUPSEGMENTPD_STR-RECEIVERGLACCOUNT sy-vline 
WA_ALLOUPSEGMENTPD_STR-RECEIVERGENERALLEDGERACCOUNTTO sy-vline 
WA_ALLOUPSEGMENTPD_STR-RECEIVERGLACCOUNTGROUP sy-vline 
WA_ALLOUPSEGMENTPD_STR-BALANCETRANSACTIONCURRENCY sy-vline 
WA_ALLOUPSEGMENTPD_STR-UPLOADEDBYUSER sy-vline 
WA_ALLOUPSEGMENTPD_STR-UPLOADCREATIONDATETIME sy-vline 
WA_ALLOUPSEGMENTPD_STR-ACTIVEUUID sy-vline 
WA_ALLOUPSEGMENTPD_STR-HASACTIVEENTITY sy-vline 
WA_ALLOUPSEGMENTPD_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ALLOUPSEGMENTPD_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ALLOUPSEGMENTPD_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ALLOUPSEGMENTPD_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ALLOUPSEGMENTPD_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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