ABAP Select data from SAP table IMILESTONEVERS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMILESTONEVERS
*  INTO TABLE @DATA(IT_IMILESTONEVERS2).
*--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_IMILESTONEVERS INDEX 1 INTO DATA(WA_IMILESTONEVERS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMILESTONEVERS>-MANDT = 1.
<IMILESTONEVERS>-PROJECTMILESTONE = 1.
<IMILESTONEVERS>-PROJECTMILESTONEINTERNALID = 1.
<IMILESTONEVERS>-VERSION = 1.
<IMILESTONEVERS>-ISPROJECTVERSIONOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMILESTONEVERS-PROJECTNETWORKINTERNALID, sy-vline,
  WA_IMILESTONEVERS-WBSELEMENTINTERNALID, sy-vline,
  WA_IMILESTONEVERS-NETWORKACTIVITYINTERNALID, sy-vline,
  WA_IMILESTONEVERS-USAGECODE, sy-vline,
  WA_IMILESTONEVERS-SCHEDULEDBASICDATE, sy-vline,
  WA_IMILESTONEVERS-FIXEDBASICDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMILESTONEVERS 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_IMILESTONEVERS 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_IMILESTONEVERS INTO WA_IMILESTONEVERS.


*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 ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_IMILESTONEVERS-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMILESTONEVERS-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field NETWORKACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IMILESTONEVERS-NETWORKACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMILESTONEVERS-NETWORKACTIVITY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IMILESTONEVERS-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMILESTONEVERS-PROJECT.
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_IMILESTONEVERS_STR, 
MANDT TYPE STRING,
PROJECTMILESTONE TYPE STRING,
PROJECTMILESTONEINTERNALID TYPE STRING,
VERSION TYPE STRING,
ISPROJECTVERSIONOBJECT TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
NETWORKACTIVITYINTERNALID TYPE STRING,
USAGECODE TYPE STRING,
SCHEDULEDBASICDATE TYPE STRING,
FIXEDBASICDATE TYPE STRING,
ACTUALENDDATE TYPE STRING,
ISDELETED TYPE STRING,
COMPLETIONRATEINPERCENT TYPE STRING,
PROJCOSTTOBEINVOICEDPERCENT TYPE STRING,
MLSTNISRELEVANTFORPRGRSANLYS TYPE STRING,
MLSTNISRELEVANTFORDTEINSLSDOC TYPE STRING,
MLSTNISRELEVANTFORTRENDANLYS TYPE STRING,
MLSTNISUSEDFORMLSTNFUNC TYPE STRING,
MLSTNRELEASESTOPISACTIVE TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
SCHEDULEDFORECASTEDDATE TYPE STRING,
FORECASTEDFIXEDDATE TYPE STRING,
DATEISOFFSETTOPARENTENDDATE TYPE STRING,
MLSTNDATEOFFSETPERCENT TYPE STRING,
MLSTNDATEOFFSETDURATIONUNIT TYPE STRING,
MLSTNDATEOFFSETDURATION TYPE STRING,
DATEISOFFSETTOPARENTLTSTDATES TYPE STRING,
WORKFLOWTASK TYPE STRING,
DUEDAYS TYPE STRING,
OVERDUEDAYS TYPE STRING,
NETWORKACTIVITY TYPE STRING,
PROJECTNETWORK TYPE STRING,
PROJECT TYPE STRING,
PROJECTWITHCODINGMASK TYPE STRING,
WBSELEMENT TYPE STRING,
WBSELEMENTWITHCODINGMASK TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMILESTONEVERS_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_IMILESTONEVERS_STR-MANDT sy-vline 
WA_IMILESTONEVERS_STR-PROJECTMILESTONE sy-vline 
WA_IMILESTONEVERS_STR-PROJECTMILESTONEINTERNALID sy-vline 
WA_IMILESTONEVERS_STR-VERSION sy-vline 
WA_IMILESTONEVERS_STR-ISPROJECTVERSIONOBJECT sy-vline 
WA_IMILESTONEVERS_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_IMILESTONEVERS_STR-WBSELEMENTINTERNALID sy-vline 
WA_IMILESTONEVERS_STR-NETWORKACTIVITYINTERNALID sy-vline 
WA_IMILESTONEVERS_STR-USAGECODE sy-vline 
WA_IMILESTONEVERS_STR-SCHEDULEDBASICDATE sy-vline 
WA_IMILESTONEVERS_STR-FIXEDBASICDATE sy-vline 
WA_IMILESTONEVERS_STR-ACTUALENDDATE sy-vline 
WA_IMILESTONEVERS_STR-ISDELETED sy-vline 
WA_IMILESTONEVERS_STR-COMPLETIONRATEINPERCENT sy-vline 
WA_IMILESTONEVERS_STR-PROJCOSTTOBEINVOICEDPERCENT sy-vline 
WA_IMILESTONEVERS_STR-MLSTNISRELEVANTFORPRGRSANLYS sy-vline 
WA_IMILESTONEVERS_STR-MLSTNISRELEVANTFORDTEINSLSDOC sy-vline 
WA_IMILESTONEVERS_STR-MLSTNISRELEVANTFORTRENDANLYS sy-vline 
WA_IMILESTONEVERS_STR-MLSTNISUSEDFORMLSTNFUNC sy-vline 
WA_IMILESTONEVERS_STR-MLSTNRELEASESTOPISACTIVE sy-vline 
WA_IMILESTONEVERS_STR-LASTCHANGEDATE sy-vline 
WA_IMILESTONEVERS_STR-CREATIONDATE sy-vline 
WA_IMILESTONEVERS_STR-CREATEDBYUSER sy-vline 
WA_IMILESTONEVERS_STR-LASTCHANGEDBYUSER sy-vline 
WA_IMILESTONEVERS_STR-SCHEDULEDFORECASTEDDATE sy-vline 
WA_IMILESTONEVERS_STR-FORECASTEDFIXEDDATE sy-vline 
WA_IMILESTONEVERS_STR-DATEISOFFSETTOPARENTENDDATE sy-vline 
WA_IMILESTONEVERS_STR-MLSTNDATEOFFSETPERCENT sy-vline 
WA_IMILESTONEVERS_STR-MLSTNDATEOFFSETDURATIONUNIT sy-vline 
WA_IMILESTONEVERS_STR-MLSTNDATEOFFSETDURATION sy-vline 
WA_IMILESTONEVERS_STR-DATEISOFFSETTOPARENTLTSTDATES sy-vline 
WA_IMILESTONEVERS_STR-WORKFLOWTASK sy-vline 
WA_IMILESTONEVERS_STR-DUEDAYS sy-vline 
WA_IMILESTONEVERS_STR-OVERDUEDAYS sy-vline 
WA_IMILESTONEVERS_STR-NETWORKACTIVITY sy-vline 
WA_IMILESTONEVERS_STR-PROJECTNETWORK sy-vline 
WA_IMILESTONEVERS_STR-PROJECT sy-vline 
WA_IMILESTONEVERS_STR-PROJECTWITHCODINGMASK sy-vline 
WA_IMILESTONEVERS_STR-WBSELEMENT sy-vline 
WA_IMILESTONEVERS_STR-WBSELEMENTWITHCODINGMASK sy-vline 
WA_IMILESTONEVERS_STR-AUTHORIZATIONGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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