ABAP Select data from SAP table ISENGAGEMENTPROJECTPLANDATAT_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISENGAGEMENTPROJECTPLANDATAT_D
*  INTO TABLE @DATA(IT_ISENGAGEMENTPROJECTPLANDATAT_D2).
*--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_ISENGAGEMENTPROJECTPLANDATAT_D INDEX 1 INTO DATA(WA_ISENGAGEMENTPROJECTPLANDATAT_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISENGAGEMENTPROJECTPLANDATAT_D>-ENGMTPROJFINPLANVERSION = 1.
<ISENGAGEMENTPROJECTPLANDATAT_D>-ENGAGEMENTPROJECT = 1.
<ISENGAGEMENTPROJECTPLANDATAT_D>-WORKPACKAGEUUID = 1.
<ISENGAGEMENTPROJECTPLANDATAT_D>-ENGAGEMENTPROJECTRESOURCETYPE = 1.
<ISENGAGEMENTPROJECTPLANDATAT_D>-ENGAGEMENTPROJECTRESOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISENGAGEMENTPROJECTPLANDATAT_D-FISCALPERIOD, sy-vline,
  WA_ISENGAGEMENTPROJECTPLANDATAT_D-FISCALYEAR, sy-vline,
  WA_ISENGAGEMENTPROJECTPLANDATAT_D-EMPLOYMENTINTERNALID, sy-vline,
  WA_ISENGAGEMENTPROJECTPLANDATAT_D-ENGMTPROJEMPLOYEEISSTAFFED, sy-vline,
  WA_ISENGAGEMENTPROJECTPLANDATAT_D-WORKITEM, sy-vline,
  WA_ISENGAGEMENTPROJECTPLANDATAT_D-ENGAGEMENTPROJECTSERVICEORG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISENGAGEMENTPROJECTPLANDATAT_D 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_ISENGAGEMENTPROJECTPLANDATAT_D 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_ISENGAGEMENTPROJECTPLANDATAT_D INTO WA_ISENGAGEMENTPROJECTPLANDATAT_D.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ISENGAGEMENTPROJECTPLANDATAT_D-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISENGAGEMENTPROJECTPLANDATAT_D-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISENGAGEMENTPROJECTPLANDATAT_D-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISENGAGEMENTPROJECTPLANDATAT_D-UNITOFMEASURE.
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_ISENGAGEMENTPROJECTPLANDATAT_D_STR, 
ENGMTPROJFINPLANVERSION TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
WORKPACKAGEUUID TYPE STRING,
ENGAGEMENTPROJECTRESOURCETYPE TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
FISCALPERIOD TYPE STRING,
FISCALYEAR TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
ENGMTPROJEMPLOYEEISSTAFFED TYPE STRING,
WORKITEM TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
RESOURCEDEMANDUUID TYPE STRING,
ENGAGEMENTPROJECTUUID TYPE STRING,
ENGAGEMENTPROJFINPLANUUID TYPE STRING,
ENGMNTPROJPLANLINETYPE TYPE STRING,
RESOURCEDEMAND TYPE STRING,
RESOURCESUPPLY TYPE STRING,
BILLINGCONTROLCATEGORY TYPE STRING,
SOURCEOFSUPPLY TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKPACKAGENAME TYPE STRING,
WORKPACKAGESTARTDATE TYPE STRING,
WORKPACKAGEENDDATE TYPE STRING,
CURRENCY TYPE STRING,
UNITOFMEASURE TYPE STRING,
PLNDCOSTAMT TYPE STRING,
PLNDEFFORTQTY TYPE STRING,
PLNDREVNAMT TYPE STRING,
ACTUALPLANDEVIATIONCOST TYPE STRING,
ACTUALPLANDEVIATIONEFFORT TYPE STRING,
ACTUALPLANDEVIATIONREVENUE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISENGAGEMENTPROJECTPLANDATAT_D_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_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGMTPROJFINPLANVERSION sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJECT sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKPACKAGEUUID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJECTRESOURCETYPE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-FISCALPERIOD sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-FISCALYEAR sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-EMPLOYMENTINTERNALID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGMTPROJEMPLOYEEISSTAFFED sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKITEM sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-RESOURCEDEMANDUUID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJECTUUID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGAGEMENTPROJFINPLANUUID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ENGMNTPROJPLANLINETYPE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-RESOURCEDEMAND sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-RESOURCESUPPLY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-BILLINGCONTROLCATEGORY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-SOURCEOFSUPPLY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKPACKAGE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKPACKAGENAME sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKPACKAGESTARTDATE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-WORKPACKAGEENDDATE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-CURRENCY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-UNITOFMEASURE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-PLNDCOSTAMT sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-PLNDEFFORTQTY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-PLNDREVNAMT sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ACTUALPLANDEVIATIONCOST sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ACTUALPLANDEVIATIONEFFORT sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ACTUALPLANDEVIATIONREVENUE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-HASACTIVEENTITY sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISENGAGEMENTPROJECTPLANDATAT_D_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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