ABAP Select data from SAP table AENTERPRPROELEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AENTERPRPROELEM
*  INTO TABLE @DATA(IT_AENTERPRPROELEM2).
*--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_AENTERPRPROELEM INDEX 1 INTO DATA(WA_AENTERPRPROELEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AENTERPRPROELEM>-MANDT = 1.
<AENTERPRPROELEM>-PROJECTELEMENTUUID = 1.
<AENTERPRPROELEM>-PROJECTELEMENT = 1.
<AENTERPRPROELEM>-WBSELEMENTINTERNALID = 1.
<AENTERPRPROELEM>-PROJECTUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AENTERPRPROELEM-PROJECTELEMENTDESCRIPTION, sy-vline,
  WA_AENTERPRPROELEM-PARENTOBJECTUUID, sy-vline,
  WA_AENTERPRPROELEM-PROCESSINGSTATUS, sy-vline,
  WA_AENTERPRPROELEM-SORTINGNUMBER, sy-vline,
  WA_AENTERPRPROELEM-PLANNEDSTARTDATE, sy-vline,
  WA_AENTERPRPROELEM-PLANNEDENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AENTERPRPROELEM 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_AENTERPRPROELEM 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_AENTERPRPROELEM INTO WA_AENTERPRPROELEM.


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

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

*Conversion exit TPLNR, internal->external for field FUNCTIONALLOCATION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_AENTERPRPROELEM-FUNCTIONALLOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AENTERPRPROELEM-FUNCTIONALLOCATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AENTERPRPROELEM-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AENTERPRPROELEM-COSTCENTER.
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_AENTERPRPROELEM_STR, 
MANDT TYPE STRING,
PROJECTELEMENTUUID TYPE STRING,
PROJECTELEMENT TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PROJECTUUID TYPE STRING,
PROJECTELEMENTDESCRIPTION TYPE STRING,
PARENTOBJECTUUID TYPE STRING,
PROCESSINGSTATUS TYPE STRING,
SORTINGNUMBER TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDENDDATE TYPE STRING,
RESPONSIBLECOSTCENTER TYPE STRING,
COMPANYCODE TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PLANT TYPE STRING,
LOCATION TYPE STRING,
TAXJURISDICTION TYPE STRING,
FUNCTIONALLOCATION TYPE STRING,
FACTORYCALENDAR TYPE STRING,
COSTINGSHEET TYPE STRING,
INVESTMENTPROFILE TYPE STRING,
WBSISSTATISTICALWBSELEMENT TYPE STRING,
COSTCENTER TYPE STRING,
WBSELEMENTISBILLINGELEMENT TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
PROJECTLASTCHANGEDDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AENTERPRPROELEM_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_AENTERPRPROELEM_STR-MANDT sy-vline 
WA_AENTERPRPROELEM_STR-PROJECTELEMENTUUID sy-vline 
WA_AENTERPRPROELEM_STR-PROJECTELEMENT sy-vline 
WA_AENTERPRPROELEM_STR-WBSELEMENTINTERNALID sy-vline 
WA_AENTERPRPROELEM_STR-PROJECTUUID sy-vline 
WA_AENTERPRPROELEM_STR-PROJECTELEMENTDESCRIPTION sy-vline 
WA_AENTERPRPROELEM_STR-PARENTOBJECTUUID sy-vline 
WA_AENTERPRPROELEM_STR-PROCESSINGSTATUS sy-vline 
WA_AENTERPRPROELEM_STR-SORTINGNUMBER sy-vline 
WA_AENTERPRPROELEM_STR-PLANNEDSTARTDATE sy-vline 
WA_AENTERPRPROELEM_STR-PLANNEDENDDATE sy-vline 
WA_AENTERPRPROELEM_STR-RESPONSIBLECOSTCENTER sy-vline 
WA_AENTERPRPROELEM_STR-COMPANYCODE sy-vline 
WA_AENTERPRPROELEM_STR-PROFITCENTER sy-vline 
WA_AENTERPRPROELEM_STR-FUNCTIONALAREA sy-vline 
WA_AENTERPRPROELEM_STR-CONTROLLINGAREA sy-vline 
WA_AENTERPRPROELEM_STR-PLANT sy-vline 
WA_AENTERPRPROELEM_STR-LOCATION sy-vline 
WA_AENTERPRPROELEM_STR-TAXJURISDICTION sy-vline 
WA_AENTERPRPROELEM_STR-FUNCTIONALLOCATION sy-vline 
WA_AENTERPRPROELEM_STR-FACTORYCALENDAR sy-vline 
WA_AENTERPRPROELEM_STR-COSTINGSHEET sy-vline 
WA_AENTERPRPROELEM_STR-INVESTMENTPROFILE sy-vline 
WA_AENTERPRPROELEM_STR-WBSISSTATISTICALWBSELEMENT sy-vline 
WA_AENTERPRPROELEM_STR-COSTCENTER sy-vline 
WA_AENTERPRPROELEM_STR-WBSELEMENTISBILLINGELEMENT sy-vline 
WA_AENTERPRPROELEM_STR-CREATEDBYUSER sy-vline 
WA_AENTERPRPROELEM_STR-CREATIONDATETIME sy-vline 
WA_AENTERPRPROELEM_STR-LASTCHANGEDATETIME sy-vline 
WA_AENTERPRPROELEM_STR-LASTCHANGEDBYUSER sy-vline 
WA_AENTERPRPROELEM_STR-PROJECTLASTCHANGEDDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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