ABAP Select data from SAP table IPROJCOSTOBJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPROJCOSTOBJ
*  INTO TABLE @DATA(IT_IPROJCOSTOBJ2).
*--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_IPROJCOSTOBJ INDEX 1 INTO DATA(WA_IPROJCOSTOBJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPROJCOSTOBJ>-MANDT = 1.
<IPROJCOSTOBJ>-ACTUALENDDATE = 1.
<IPROJCOSTOBJ>-ACTUALSTARTDATE = 1.
<IPROJCOSTOBJ>-APPLICANTCODE = 1.
<IPROJCOSTOBJ>-APPLICANTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPROJCOSTOBJ-BASICENDDATE, sy-vline,
  WA_IPROJCOSTOBJ-BASICSTARTDATE, sy-vline,
  WA_IPROJCOSTOBJ-BUSINESSAREA, sy-vline,
  WA_IPROJCOSTOBJ-COMPANYCODE, sy-vline,
  WA_IPROJCOSTOBJ-CONTROLLINGAREA, sy-vline,
  WA_IPROJCOSTOBJ-CONTROLLINGAREACURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPROJCOSTOBJ 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_IPROJCOSTOBJ 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_IPROJCOSTOBJ INTO WA_IPROJCOSTOBJ.


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

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IPROJCOSTOBJ-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPROJCOSTOBJ-PROJECT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IPROJCOSTOBJ-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPROJCOSTOBJ-WBSELEMENT.
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_IPROJCOSTOBJ_STR, 
MANDT TYPE STRING,
ACTUALENDDATE TYPE STRING,
ACTUALSTARTDATE TYPE STRING,
APPLICANTCODE TYPE STRING,
APPLICANTNAME TYPE STRING,
BASICENDDATE TYPE STRING,
BASICSTARTDATE TYPE STRING,
BUSINESSAREA TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CONTROLLINGAREACURRENCY TYPE STRING,
CONTROLLINGOBJECTCLASS TYPE STRING,
CURRENCY TYPE STRING,
FREEDEFINEDATTRIBUTE01 TYPE STRING,
FREEDEFINEDATTRIBUTE02 TYPE STRING,
FREEDEFINEDATTRIBUTE03 TYPE STRING,
FREEDEFINEDATTRIBUTE04 TYPE STRING,
FREEDEFINEDINDICATOR1 TYPE STRING,
FREEDEFINEDINDICATOR2 TYPE STRING,
FUNCTIONALAREA TYPE STRING,
CONTROLLINGOBJECTEXTERNALID TYPE STRING,
CONTROLLINGOBJECTINTERNALID TYPE STRING,
OBJECTTYPE TYPE STRING,
PLANT TYPE STRING,
PRIORITYCODE TYPE STRING,
PROFITCENTER TYPE STRING,
PROJECT TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
PROJECTINTERNALID TYPE STRING,
PROJECTOBJECT TYPE STRING,
PROJECTTYPE TYPE STRING,
REQGCOSTCENTERCONTROLLINGAREA TYPE STRING,
REQUESTINGCOSTCENTER TYPE STRING,
RESPCOSTCENTERCONTROLLINGAREA TYPE STRING,
RESPONSIBLECOSTCENTER TYPE STRING,
RESPONSIBLEPERSON TYPE STRING,
RESPONSIBLEPERSONNAME TYPE STRING,
SCHEDLDBASICEARLIESTENDDATE TYPE STRING,
SCHEDLDBASICEARLIESTSTARTDATE TYPE STRING,
SCHEDLDBASICLATESTSTARTDATE TYPE STRING,
SCHEDULEDBASICLATESTENDDATE TYPE STRING,
WBSDESCRIPTION TYPE STRING,
CONTROLLINGOBJECTDESCRIPTION TYPE STRING,
WBSELEMENT TYPE STRING,
WBSELEMENTHIERARCHYLEVEL TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTOBJECT TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPROJCOSTOBJ_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_IPROJCOSTOBJ_STR-MANDT sy-vline 
WA_IPROJCOSTOBJ_STR-ACTUALENDDATE sy-vline 
WA_IPROJCOSTOBJ_STR-ACTUALSTARTDATE sy-vline 
WA_IPROJCOSTOBJ_STR-APPLICANTCODE sy-vline 
WA_IPROJCOSTOBJ_STR-APPLICANTNAME sy-vline 
WA_IPROJCOSTOBJ_STR-BASICENDDATE sy-vline 
WA_IPROJCOSTOBJ_STR-BASICSTARTDATE sy-vline 
WA_IPROJCOSTOBJ_STR-BUSINESSAREA sy-vline 
WA_IPROJCOSTOBJ_STR-COMPANYCODE sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGAREA sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGAREACURRENCY sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGOBJECTCLASS sy-vline 
WA_IPROJCOSTOBJ_STR-CURRENCY sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDATTRIBUTE01 sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDATTRIBUTE02 sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDATTRIBUTE03 sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDATTRIBUTE04 sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDINDICATOR1 sy-vline 
WA_IPROJCOSTOBJ_STR-FREEDEFINEDINDICATOR2 sy-vline 
WA_IPROJCOSTOBJ_STR-FUNCTIONALAREA sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGOBJECTEXTERNALID sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGOBJECTINTERNALID sy-vline 
WA_IPROJCOSTOBJ_STR-OBJECTTYPE sy-vline 
WA_IPROJCOSTOBJ_STR-PLANT sy-vline 
WA_IPROJCOSTOBJ_STR-PRIORITYCODE sy-vline 
WA_IPROJCOSTOBJ_STR-PROFITCENTER sy-vline 
WA_IPROJCOSTOBJ_STR-PROJECT sy-vline 
WA_IPROJCOSTOBJ_STR-PROJECTDESCRIPTION sy-vline 
WA_IPROJCOSTOBJ_STR-PROJECTINTERNALID sy-vline 
WA_IPROJCOSTOBJ_STR-PROJECTOBJECT sy-vline 
WA_IPROJCOSTOBJ_STR-PROJECTTYPE sy-vline 
WA_IPROJCOSTOBJ_STR-REQGCOSTCENTERCONTROLLINGAREA sy-vline 
WA_IPROJCOSTOBJ_STR-REQUESTINGCOSTCENTER sy-vline 
WA_IPROJCOSTOBJ_STR-RESPCOSTCENTERCONTROLLINGAREA sy-vline 
WA_IPROJCOSTOBJ_STR-RESPONSIBLECOSTCENTER sy-vline 
WA_IPROJCOSTOBJ_STR-RESPONSIBLEPERSON sy-vline 
WA_IPROJCOSTOBJ_STR-RESPONSIBLEPERSONNAME sy-vline 
WA_IPROJCOSTOBJ_STR-SCHEDLDBASICEARLIESTENDDATE sy-vline 
WA_IPROJCOSTOBJ_STR-SCHEDLDBASICEARLIESTSTARTDATE sy-vline 
WA_IPROJCOSTOBJ_STR-SCHEDLDBASICLATESTSTARTDATE sy-vline 
WA_IPROJCOSTOBJ_STR-SCHEDULEDBASICLATESTENDDATE sy-vline 
WA_IPROJCOSTOBJ_STR-WBSDESCRIPTION sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGOBJECTDESCRIPTION sy-vline 
WA_IPROJCOSTOBJ_STR-WBSELEMENT sy-vline 
WA_IPROJCOSTOBJ_STR-WBSELEMENTHIERARCHYLEVEL sy-vline 
WA_IPROJCOSTOBJ_STR-WBSELEMENTINTERNALID sy-vline 
WA_IPROJCOSTOBJ_STR-WBSELEMENTOBJECT sy-vline 
WA_IPROJCOSTOBJ_STR-CONTROLLINGOBJECT sy-vline      INTO ld_text SEPARATED BY SPACE.

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