ABAP Select data from SAP table POCDAWPTVCUNION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POCDAWPTVCUNION
*  INTO TABLE @DATA(IT_POCDAWPTVCUNION2).
*--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_POCDAWPTVCUNION INDEX 1 INTO DATA(WA_POCDAWPTVCUNION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<POCDAWPTVCUNION>-MANDT = 1.
<POCDAWPTVCUNION>-CONTROLLINGOBJECT = 1.
<POCDAWPTVCUNION>-FISCALYEARPERIOD = 1.
<POCDAWPTVCUNION>-CONTROLLINGVALUETYPE = 1.
<POCDAWPTVCUNION>-PLANNINGCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POCDAWPTVCUNION-VARIANCERESULTSANLYSCATEGORY, sy-vline,
  WA_POCDAWPTVCUNION-COSTELEMENT, sy-vline,
  WA_POCDAWPTVCUNION-CONTROLLINGKEYSUBNUMBER, sy-vline,
  WA_POCDAWPTVCUNION-BUSINESSTRANSACTIONTYPE, sy-vline,
  WA_POCDAWPTVCUNION-CONTROLLINGDEBITCREDITCODE, sy-vline,
  WA_POCDAWPTVCUNION-ACCOUNTASSIGNMENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POCDAWPTVCUNION 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_POCDAWPTVCUNION 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_POCDAWPTVCUNION INTO WA_POCDAWPTVCUNION.


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

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

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

*Conversion exit BEKNZ, internal->external for field CONTROLLINGDEBITCREDITCODE
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_POCDAWPTVCUNION-CONTROLLINGDEBITCREDITCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POCDAWPTVCUNION-CONTROLLINGDEBITCREDITCODE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field ORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_POCDAWPTVCUNION-ORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POCDAWPTVCUNION-ORDEROPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ORIGINCOSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_POCDAWPTVCUNION-ORIGINCOSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POCDAWPTVCUNION-ORIGINCOSTCENTER.
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_POCDAWPTVCUNION_STR, 
MANDT TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
FISCALYEARPERIOD TYPE STRING,
CONTROLLINGVALUETYPE TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
VARIANCERESULTSANLYSCATEGORY TYPE STRING,
COSTELEMENT TYPE STRING,
CONTROLLINGKEYSUBNUMBER TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
CONTROLLINGDEBITCREDITCODE TYPE STRING,
ACCOUNTASSIGNMENTTYPE TYPE STRING,
ORDERID TYPE STRING,
ORDERITEM TYPE STRING,
PARTNERACCOUNTASSIGNMENT TYPE STRING,
PARTNERACCOUNTASSIGNMENTTYPE TYPE STRING,
PARTNERCOSTCENTER TYPE STRING,
PARTNERCOSTCTRACTIVITYTYPE TYPE STRING,
PARTNERBUSINESSPROCESS TYPE STRING,
PARTNERORDER TYPE STRING,
ORIGINSENDEROBJECT TYPE STRING,
CTRLGORIGINCLASSIFICATION TYPE STRING,
UNITOFMEASURE TYPE STRING,
MATERIAL TYPE STRING,
COSTORIGINGROUP TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
VERSION TYPE STRING,
ACCOUNTASSIGNMENT TYPE STRING,
COSTCENTER TYPE STRING,
ACTIVITYTYPE TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
ORDEROPERATION TYPE STRING,
PLANT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
SUBLEDGERACCTLINEITEMTYPE TYPE STRING,
ISLOTSIZEINDEPENDENT TYPE STRING,
ORIGINCOSTCENTER TYPE STRING,
ORIGINCOSTCTRACTIVITYTYPE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,
FIXEDAMOUNTINDISPLAYCURRENCY TYPE STRING,
TOTALQUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POCDAWPTVCUNION_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_POCDAWPTVCUNION_STR-MANDT sy-vline 
WA_POCDAWPTVCUNION_STR-CONTROLLINGOBJECT sy-vline 
WA_POCDAWPTVCUNION_STR-FISCALYEARPERIOD sy-vline 
WA_POCDAWPTVCUNION_STR-CONTROLLINGVALUETYPE sy-vline 
WA_POCDAWPTVCUNION_STR-PLANNINGCATEGORY sy-vline 
WA_POCDAWPTVCUNION_STR-VARIANCERESULTSANLYSCATEGORY sy-vline 
WA_POCDAWPTVCUNION_STR-COSTELEMENT sy-vline 
WA_POCDAWPTVCUNION_STR-CONTROLLINGKEYSUBNUMBER sy-vline 
WA_POCDAWPTVCUNION_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-CONTROLLINGDEBITCREDITCODE sy-vline 
WA_POCDAWPTVCUNION_STR-ACCOUNTASSIGNMENTTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-ORDERID sy-vline 
WA_POCDAWPTVCUNION_STR-ORDERITEM sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERACCOUNTASSIGNMENT sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERACCOUNTASSIGNMENTTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERCOSTCENTER sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERCOSTCTRACTIVITYTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERBUSINESSPROCESS sy-vline 
WA_POCDAWPTVCUNION_STR-PARTNERORDER sy-vline 
WA_POCDAWPTVCUNION_STR-ORIGINSENDEROBJECT sy-vline 
WA_POCDAWPTVCUNION_STR-CTRLGORIGINCLASSIFICATION sy-vline 
WA_POCDAWPTVCUNION_STR-UNITOFMEASURE sy-vline 
WA_POCDAWPTVCUNION_STR-MATERIAL sy-vline 
WA_POCDAWPTVCUNION_STR-COSTORIGINGROUP sy-vline 
WA_POCDAWPTVCUNION_STR-CHARTOFACCOUNTS sy-vline 
WA_POCDAWPTVCUNION_STR-VERSION sy-vline 
WA_POCDAWPTVCUNION_STR-ACCOUNTASSIGNMENT sy-vline 
WA_POCDAWPTVCUNION_STR-COSTCENTER sy-vline 
WA_POCDAWPTVCUNION_STR-ACTIVITYTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-WORKCENTERINTERNALID sy-vline 
WA_POCDAWPTVCUNION_STR-ORDEROPERATION sy-vline 
WA_POCDAWPTVCUNION_STR-PLANT sy-vline 
WA_POCDAWPTVCUNION_STR-CONTROLLINGAREA sy-vline 
WA_POCDAWPTVCUNION_STR-FISCALYEAR sy-vline 
WA_POCDAWPTVCUNION_STR-FISCALPERIOD sy-vline 
WA_POCDAWPTVCUNION_STR-SUBLEDGERACCTLINEITEMTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-ISLOTSIZEINDEPENDENT sy-vline 
WA_POCDAWPTVCUNION_STR-ORIGINCOSTCENTER sy-vline 
WA_POCDAWPTVCUNION_STR-ORIGINCOSTCTRACTIVITYTYPE sy-vline 
WA_POCDAWPTVCUNION_STR-DISPLAYCURRENCY sy-vline 
WA_POCDAWPTVCUNION_STR-AMOUNTINDISPLAYCURRENCY sy-vline 
WA_POCDAWPTVCUNION_STR-FIXEDAMOUNTINDISPLAYCURRENCY sy-vline 
WA_POCDAWPTVCUNION_STR-TOTALQUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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