ABAP Select data from SAP table CPOSUPLRCONOBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPOSUPLRCONOBJ
*  INTO TABLE @DATA(IT_CPOSUPLRCONOBJ2).
*--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_CPOSUPLRCONOBJ INDEX 1 INTO DATA(WA_CPOSUPLRCONOBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPOSUPLRCONOBJ>-MANDT = 1.
<CPOSUPLRCONOBJ>-PURCHASINGDOCUMENT = 1.
<CPOSUPLRCONOBJ>-PURCHASINGDOCUMENTITEM = 1.
<CPOSUPLRCONOBJ>-SEQUENTIALNMBROFSUPLRCONF = 1.
<CPOSUPLRCONOBJ>-SUPPLIERCONFIRMATIONCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPOSUPLRCONOBJ-DELIVERYDATE, sy-vline,
  WA_CPOSUPLRCONOBJ-PURGDOCORDERQUANTITYUNIT, sy-vline,
  WA_CPOSUPLRCONOBJ-CONFIRMEDQUANTITY, sy-vline,
  WA_CPOSUPLRCONOBJ-DELIVERYDOCUMENT, sy-vline,
  WA_CPOSUPLRCONOBJ-BATCH, sy-vline,
  WA_CPOSUPLRCONOBJ-MRPRELEVANTQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPOSUPLRCONOBJ 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_CPOSUPLRCONOBJ 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_CPOSUPLRCONOBJ INTO WA_CPOSUPLRCONOBJ.


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

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

*Conversion exit ALPHA, internal->external for field DELIVERYDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPOSUPLRCONOBJ-DELIVERYDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPOSUPLRCONOBJ-DELIVERYDOCUMENT.
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_CPOSUPLRCONOBJ_STR, 
MANDT TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SEQUENTIALNMBROFSUPLRCONF TYPE STRING,
SUPPLIERCONFIRMATIONCATEGORY TYPE STRING,
DELIVERYDATE TYPE STRING,
PURGDOCORDERQUANTITYUNIT TYPE STRING,
CONFIRMEDQUANTITY TYPE STRING,
DELIVERYDOCUMENT TYPE STRING,
BATCH TYPE STRING,
MRPRELEVANTQUANTITY TYPE STRING,
CREATIONDATE TYPE STRING,
SUPPLIERCONFCATEGORYNAME TYPE STRING,
CONFIRMATIONTEXT TYPE STRING,
DELIVERYDOCUMENTITEM TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPOSUPLRCONOBJ_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_CPOSUPLRCONOBJ_STR-MANDT sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURCHASINGDOCUMENT sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_CPOSUPLRCONOBJ_STR-SEQUENTIALNMBROFSUPLRCONF sy-vline 
WA_CPOSUPLRCONOBJ_STR-SUPPLIERCONFIRMATIONCATEGORY sy-vline 
WA_CPOSUPLRCONOBJ_STR-DELIVERYDATE sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURGDOCORDERQUANTITYUNIT sy-vline 
WA_CPOSUPLRCONOBJ_STR-CONFIRMEDQUANTITY sy-vline 
WA_CPOSUPLRCONOBJ_STR-DELIVERYDOCUMENT sy-vline 
WA_CPOSUPLRCONOBJ_STR-BATCH sy-vline 
WA_CPOSUPLRCONOBJ_STR-MRPRELEVANTQUANTITY sy-vline 
WA_CPOSUPLRCONOBJ_STR-CREATIONDATE sy-vline 
WA_CPOSUPLRCONOBJ_STR-SUPPLIERCONFCATEGORYNAME sy-vline 
WA_CPOSUPLRCONOBJ_STR-CONFIRMATIONTEXT sy-vline 
WA_CPOSUPLRCONOBJ_STR-DELIVERYDOCUMENTITEM sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURCHASEORDERTYPE sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURCHASINGORGANIZATION sy-vline 
WA_CPOSUPLRCONOBJ_STR-PURCHASINGGROUP sy-vline 
WA_CPOSUPLRCONOBJ_STR-PLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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