ABAP Select data from SAP table APROJECT2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP APROJECT2 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 APROJECT2. 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 APROJECT2 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_APROJECT2 TYPE STANDARD TABLE OF APROJECT2,
      WA_APROJECT2 TYPE APROJECT2,
      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: <APROJECT2> TYPE APROJECT2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_APROJECT2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM APROJECT2
  INTO TABLE IT_APROJECT2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APROJECT2
*  INTO TABLE @DATA(IT_APROJECT22).
*--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_APROJECT2 INDEX 1 INTO DATA(WA_APROJECT22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_APROJECT2 ASSIGNING <APROJECT2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APROJECT2>-MANDT = 1.
<APROJECT2>-PROJECTINTERNALID = 1.
<APROJECT2>-PROJECTEXTERNALID = 1.
<APROJECT2>-PROJECTDESCRIPTION = 1.
<APROJECT2>-PROJECTLANGBSDDESCRIPTION = 1.

ENDLOOP.

LOOP AT IT_APROJECT2 INTO WA_APROJECT2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APROJECT2-PROJECTPROFILECODE, sy-vline,
  WA_APROJECT2-COMPANYCODE, sy-vline,
  WA_APROJECT2-CONTROLLINGAREA, sy-vline,
  WA_APROJECT2-FUNCTIONALAREA, sy-vline,
  WA_APROJECT2-PROFITCENTER, sy-vline,
  WA_APROJECT2-PLANNEDSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APROJECT2 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_APROJECT2 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_APROJECT2 INTO WA_APROJECT2.


*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_APROJECT2-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-PROFITCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SCHEDULINGDURATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-SCHEDULINGDURATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-SCHEDULINGDURATIONUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOINTVENTURE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-JOINTVENTURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-JOINTVENTURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOINTVENTURECOSTRECOVERYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-JOINTVENTURECOSTRECOVERYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-JOINTVENTURECOSTRECOVERYCODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOINTVENTUREEQUITYTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-JOINTVENTUREEQUITYTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-JOINTVENTUREEQUITYTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOINTVENTUREOBJECTTYPE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-JOINTVENTUREOBJECTTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-JOINTVENTUREOBJECTTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FREEDEFINEDQUANTITY1UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-FREEDEFINEDQUANTITY1UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-FREEDEFINEDQUANTITY1UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field FREEDEFINEDQUANTITY2UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_APROJECT2-FREEDEFINEDQUANTITY2UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APROJECT2-FREEDEFINEDQUANTITY2UNIT.
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_APROJECT2_STR, 
MANDT TYPE STRING,
PROJECTINTERNALID TYPE STRING,
PROJECTEXTERNALID TYPE STRING,
PROJECTDESCRIPTION TYPE STRING,
PROJECTLANGBSDDESCRIPTION TYPE STRING,
PROJECTPROFILECODE TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
FUNCTIONALAREA TYPE STRING,
PROFITCENTER TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDENDDATE TYPE STRING,
WORKCENTERLOCATION TYPE STRING,
TAXJURISDICTION TYPE STRING,
RESPONSIBLEPERSON TYPE STRING,
RESPONSIBLEPERSONNAME TYPE STRING,
APPLICANTCODE TYPE STRING,
APPLICANTNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
BASICDATESLASTSCHEDULEDDATE TYPE STRING,
FCSTDDATESLASTSCHEDULEDDATE TYPE STRING,
FACTORYCALENDAR TYPE STRING,
SCHEDULINGDURATIONUNIT TYPE STRING,
FORECASTEDSTARTDATE TYPE STRING,
FORECASTEDENDDATE TYPE STRING,
BUSINESSAREA TYPE STRING,
PLANT TYPE STRING,
CURRENCY TYPE STRING,
BUDGETPROFILE TYPE STRING,
PLANNINGPROFILE TYPE STRING,
INVESTMENTPROFILE TYPE STRING,
PROJINTERESTCALCPROFILE TYPE STRING,
RESULTANALYSISINTERNALID TYPE STRING,
CONTROLLINGOBJECTCLASS TYPE STRING,
NETWORKPROFILE TYPE STRING,
WBSSCHEDULINGPROFILE TYPE STRING,
PLANNINGMETHFORPROJBASICDATE TYPE STRING,
PLANNINGMETHFORPROJFCSTDDATE TYPE STRING,
NETWORKASSIGNMENTTYPE TYPE STRING,
WBSISSTATISTICALWBSELEMENT TYPE STRING,
WBSISMARKEDFORINTEGRATEDPLNG TYPE STRING,
PROJECTHASOWNSTOCK TYPE STRING,
INVENTORYSPECIALSTOCKVALNTYPE TYPE STRING,
WBSISMARKEDFORAUTOMREQMTGRPG TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
LANGUAGE TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
DIVISION TYPE STRING,
DYNITEMPROCESSORPRFL TYPE STRING,
JOINTVENTURE TYPE STRING,
JOINTVENTURECOSTRECOVERYCODE TYPE STRING,
JOINTVENTUREEQUITYTYPE TYPE STRING,
JOINTVENTUREOBJECTTYPE TYPE STRING,
JNTINTRSTBILLGCLASS TYPE STRING,
JNTINTRSTBILLGSUBCLASS TYPE STRING,
STATUSPROFILE TYPE STRING,
WBSSTATUSPROFILE TYPE STRING,
SIMULATIONPROFILE TYPE STRING,
SCHEDULINGSCENARIO TYPE STRING,
DISTRIBUTIONPROFILE TYPE STRING,
PARTNERDETERMINATIONPROCEDURE TYPE STRING,
FREEDEFINEDTABLEFIELDSEMANTIC TYPE STRING,
FREEDEFINEDATTRIBUTE01 TYPE STRING,
FREEDEFINEDATTRIBUTE02 TYPE STRING,
FREEDEFINEDATTRIBUTE03 TYPE STRING,
FREEDEFINEDATTRIBUTE04 TYPE STRING,
FREEDEFINEDQUANTITY1 TYPE STRING,
FREEDEFINEDQUANTITY1UNIT TYPE STRING,
FREEDEFINEDQUANTITY2 TYPE STRING,
FREEDEFINEDQUANTITY2UNIT TYPE STRING,
FREEDEFINEDAMOUNT1 TYPE STRING,
FREEDEFINEDAMOUNT1CURRENCY TYPE STRING,
FREEDEFINEDAMOUNT2 TYPE STRING,
FREEDEFINEDAMOUNT2CURRENCY TYPE STRING,
FREEDEFINEDDATE1 TYPE STRING,
FREEDEFINEDDATE2 TYPE STRING,
FREEDEFINEDINDICATOR1 TYPE STRING,
FREEDEFINEDINDICATOR2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APROJECT2_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_APROJECT2_STR-MANDT sy-vline 
WA_APROJECT2_STR-PROJECTINTERNALID sy-vline 
WA_APROJECT2_STR-PROJECTEXTERNALID sy-vline 
WA_APROJECT2_STR-PROJECTDESCRIPTION sy-vline 
WA_APROJECT2_STR-PROJECTLANGBSDDESCRIPTION sy-vline 
WA_APROJECT2_STR-PROJECTPROFILECODE sy-vline 
WA_APROJECT2_STR-COMPANYCODE sy-vline 
WA_APROJECT2_STR-CONTROLLINGAREA sy-vline 
WA_APROJECT2_STR-FUNCTIONALAREA sy-vline 
WA_APROJECT2_STR-PROFITCENTER sy-vline 
WA_APROJECT2_STR-PLANNEDSTARTDATE sy-vline 
WA_APROJECT2_STR-PLANNEDENDDATE sy-vline 
WA_APROJECT2_STR-WORKCENTERLOCATION sy-vline 
WA_APROJECT2_STR-TAXJURISDICTION sy-vline 
WA_APROJECT2_STR-RESPONSIBLEPERSON sy-vline 
WA_APROJECT2_STR-RESPONSIBLEPERSONNAME sy-vline 
WA_APROJECT2_STR-APPLICANTCODE sy-vline 
WA_APROJECT2_STR-APPLICANTNAME sy-vline 
WA_APROJECT2_STR-CREATEDBYUSER sy-vline 
WA_APROJECT2_STR-CREATIONDATE sy-vline 
WA_APROJECT2_STR-LASTCHANGEDBYUSER sy-vline 
WA_APROJECT2_STR-LASTCHANGEDATE sy-vline 
WA_APROJECT2_STR-BASICDATESLASTSCHEDULEDDATE sy-vline 
WA_APROJECT2_STR-FCSTDDATESLASTSCHEDULEDDATE sy-vline 
WA_APROJECT2_STR-FACTORYCALENDAR sy-vline 
WA_APROJECT2_STR-SCHEDULINGDURATIONUNIT sy-vline 
WA_APROJECT2_STR-FORECASTEDSTARTDATE sy-vline 
WA_APROJECT2_STR-FORECASTEDENDDATE sy-vline 
WA_APROJECT2_STR-BUSINESSAREA sy-vline 
WA_APROJECT2_STR-PLANT sy-vline 
WA_APROJECT2_STR-CURRENCY sy-vline 
WA_APROJECT2_STR-BUDGETPROFILE sy-vline 
WA_APROJECT2_STR-PLANNINGPROFILE sy-vline 
WA_APROJECT2_STR-INVESTMENTPROFILE sy-vline 
WA_APROJECT2_STR-PROJINTERESTCALCPROFILE sy-vline 
WA_APROJECT2_STR-RESULTANALYSISINTERNALID sy-vline 
WA_APROJECT2_STR-CONTROLLINGOBJECTCLASS sy-vline 
WA_APROJECT2_STR-NETWORKPROFILE sy-vline 
WA_APROJECT2_STR-WBSSCHEDULINGPROFILE sy-vline 
WA_APROJECT2_STR-PLANNINGMETHFORPROJBASICDATE sy-vline 
WA_APROJECT2_STR-PLANNINGMETHFORPROJFCSTDDATE sy-vline 
WA_APROJECT2_STR-NETWORKASSIGNMENTTYPE sy-vline 
WA_APROJECT2_STR-WBSISSTATISTICALWBSELEMENT sy-vline 
WA_APROJECT2_STR-WBSISMARKEDFORINTEGRATEDPLNG sy-vline 
WA_APROJECT2_STR-PROJECTHASOWNSTOCK sy-vline 
WA_APROJECT2_STR-INVENTORYSPECIALSTOCKVALNTYPE sy-vline 
WA_APROJECT2_STR-WBSISMARKEDFORAUTOMREQMTGRPG sy-vline 
WA_APROJECT2_STR-SALESORGANIZATION sy-vline 
WA_APROJECT2_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_APROJECT2_STR-LANGUAGE sy-vline 
WA_APROJECT2_STR-WBSELEMENTEXTERNALID sy-vline 
WA_APROJECT2_STR-DIVISION sy-vline 
WA_APROJECT2_STR-DYNITEMPROCESSORPRFL sy-vline 
WA_APROJECT2_STR-JOINTVENTURE sy-vline 
WA_APROJECT2_STR-JOINTVENTURECOSTRECOVERYCODE sy-vline 
WA_APROJECT2_STR-JOINTVENTUREEQUITYTYPE sy-vline 
WA_APROJECT2_STR-JOINTVENTUREOBJECTTYPE sy-vline 
WA_APROJECT2_STR-JNTINTRSTBILLGCLASS sy-vline 
WA_APROJECT2_STR-JNTINTRSTBILLGSUBCLASS sy-vline 
WA_APROJECT2_STR-STATUSPROFILE sy-vline 
WA_APROJECT2_STR-WBSSTATUSPROFILE sy-vline 
WA_APROJECT2_STR-SIMULATIONPROFILE sy-vline 
WA_APROJECT2_STR-SCHEDULINGSCENARIO sy-vline 
WA_APROJECT2_STR-DISTRIBUTIONPROFILE sy-vline 
WA_APROJECT2_STR-PARTNERDETERMINATIONPROCEDURE sy-vline 
WA_APROJECT2_STR-FREEDEFINEDTABLEFIELDSEMANTIC sy-vline 
WA_APROJECT2_STR-FREEDEFINEDATTRIBUTE01 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDATTRIBUTE02 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDATTRIBUTE03 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDATTRIBUTE04 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDQUANTITY1 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDQUANTITY1UNIT sy-vline 
WA_APROJECT2_STR-FREEDEFINEDQUANTITY2 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDQUANTITY2UNIT sy-vline 
WA_APROJECT2_STR-FREEDEFINEDAMOUNT1 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDAMOUNT1CURRENCY sy-vline 
WA_APROJECT2_STR-FREEDEFINEDAMOUNT2 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDAMOUNT2CURRENCY sy-vline 
WA_APROJECT2_STR-FREEDEFINEDDATE1 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDDATE2 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDINDICATOR1 sy-vline 
WA_APROJECT2_STR-FREEDEFINEDINDICATOR2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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