ABAP Select data from SAP table PPPMPROJECTLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPPMPROJECTLIST
*  INTO TABLE @DATA(IT_PPPMPROJECTLIST2).
*--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_PPPMPROJECTLIST INDEX 1 INTO DATA(WA_PPPMPROJECTLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPPMPROJECTLIST>-MANDT = 1.
<PPPMPROJECTLIST>-PROJECTUUID = 1.
<PPPMPROJECTLIST>-PROJECTSUMMARYTASKUUID = 1.
<PPPMPROJECTLIST>-PROJECTCATEGORY = 1.
<PPPMPROJECTLIST>-PROJECTLASTCHANGEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPPMPROJECTLIST-PROJECTLASTCHANGEDDATETIME, sy-vline,
  WA_PPPMPROJECTLIST-PROJECTREASONCODE, sy-vline,
  WA_PPPMPROJECTLIST-PROJECTNAME, sy-vline,
  WA_PPPMPROJECTLIST-MASTERLANGUAGE, sy-vline,
  WA_PPPMPROJECTLIST-ISSUMMARYTASKENABLED, sy-vline,
  WA_PPPMPROJECTLIST-PROJECTLOCATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPPMPROJECTLIST 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_PPPMPROJECTLIST 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_PPPMPROJECTLIST INTO WA_PPPMPROJECTLIST.


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

*Conversion exit CUNIT, internal->external for field DURATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPPMPROJECTLIST-DURATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPPMPROJECTLIST-DURATIONUNIT.
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_PPPMPROJECTLIST_STR, 
MANDT TYPE STRING,
PROJECTUUID TYPE STRING,
PROJECTSUMMARYTASKUUID TYPE STRING,
PROJECTCATEGORY TYPE STRING,
PROJECTLASTCHANGEDBYUSER TYPE STRING,
PROJECTLASTCHANGEDDATETIME TYPE STRING,
PROJECTREASONCODE TYPE STRING,
PROJECTNAME TYPE STRING,
MASTERLANGUAGE TYPE STRING,
ISSUMMARYTASKENABLED TYPE STRING,
PROJECTLOCATION TYPE STRING,
PLANVERSION TYPE STRING,
ORGANIZATIONALUNITOBJECTTYPE TYPE STRING,
ORGANIZATIONALUNIT TYPE STRING,
PROJECTEARLIESTORLATEST TYPE STRING,
EARLIESTSTARTDATETIME TYPE STRING,
ACTUALSTARTDATETIME TYPE STRING,
LATESTSTARTDATETIME TYPE STRING,
FORECASTEDSTARTDATETIME TYPE STRING,
EARLIESTFINISHDATETIME TYPE STRING,
ACTUALFINISHDATETIME TYPE STRING,
LATESTFINISHDATETIME TYPE STRING,
FORECASTEDFINISHDATETIME TYPE STRING,
STARTCONSTRAINTDATETIME TYPE STRING,
FINISHCONSTRAINTDATETIME TYPE STRING,
PROJECTELEMENTDURATION TYPE STRING,
DURATIONUNIT TYPE STRING,
PROJECTTYPE TYPE STRING,
PROJECT TYPE STRING,
RELEASEDATETIME TYPE STRING,
PROJECTINTERNALID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PROJECTPROCESSINGSTATUS TYPE STRING,
PRIORITYCODE TYPE STRING,
PROJECTVERSIONNUMBER TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
MYBUSINESSPARTNERUUID TYPE STRING,
ISMYPROJECT TYPE STRING,
ISMYPROJECTASSUBSTITUTE TYPE STRING,
PROJECTNAMEUSERLANGUAGE TYPE STRING,
PROJECTNAMEMASTERLANGUAGE TYPE STRING,
PROJECTTYPENAME TYPE STRING,
PROJECTTYPENAMEUSERLANGUAGE TYPE STRING,
PROJECTTYPENAMEMASTERLANGUAGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPPMPROJECTLIST_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_PPPMPROJECTLIST_STR-MANDT sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTUUID sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTSUMMARYTASKUUID sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTCATEGORY sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTLASTCHANGEDBYUSER sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTLASTCHANGEDDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTREASONCODE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTNAME sy-vline 
WA_PPPMPROJECTLIST_STR-MASTERLANGUAGE sy-vline 
WA_PPPMPROJECTLIST_STR-ISSUMMARYTASKENABLED sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTLOCATION sy-vline 
WA_PPPMPROJECTLIST_STR-PLANVERSION sy-vline 
WA_PPPMPROJECTLIST_STR-ORGANIZATIONALUNITOBJECTTYPE sy-vline 
WA_PPPMPROJECTLIST_STR-ORGANIZATIONALUNIT sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTEARLIESTORLATEST sy-vline 
WA_PPPMPROJECTLIST_STR-EARLIESTSTARTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-ACTUALSTARTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-LATESTSTARTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-FORECASTEDSTARTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-EARLIESTFINISHDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-ACTUALFINISHDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-LATESTFINISHDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-FORECASTEDFINISHDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-STARTCONSTRAINTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-FINISHCONSTRAINTDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTELEMENTDURATION sy-vline 
WA_PPPMPROJECTLIST_STR-DURATIONUNIT sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTTYPE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECT sy-vline 
WA_PPPMPROJECTLIST_STR-RELEASEDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTINTERNALID sy-vline 
WA_PPPMPROJECTLIST_STR-WBSELEMENTINTERNALID sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTPROCESSINGSTATUS sy-vline 
WA_PPPMPROJECTLIST_STR-PRIORITYCODE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTVERSIONNUMBER sy-vline 
WA_PPPMPROJECTLIST_STR-CREATEDBYUSER sy-vline 
WA_PPPMPROJECTLIST_STR-CREATIONDATETIME sy-vline 
WA_PPPMPROJECTLIST_STR-MYBUSINESSPARTNERUUID sy-vline 
WA_PPPMPROJECTLIST_STR-ISMYPROJECT sy-vline 
WA_PPPMPROJECTLIST_STR-ISMYPROJECTASSUBSTITUTE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTNAMEUSERLANGUAGE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTNAMEMASTERLANGUAGE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTTYPENAME sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTTYPENAMEUSERLANGUAGE sy-vline 
WA_PPPMPROJECTLIST_STR-PROJECTTYPENAMEMASTERLANGUAGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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