ABAP Select data from SAP table IKPIPROGS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IKPIPROGS
*  INTO TABLE @DATA(IT_IKPIPROGS2).
*--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_IKPIPROGS INDEX 1 INTO DATA(WA_IKPIPROGS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IKPIPROGS>-MANDT = 1.
<IKPIPROGS>-MASTERPROJECT = 1.
<IKPIPROGS>-MASTERPROJECTUUID = 1.
<IKPIPROGS>-MASTERPROJECTNAME = 1.
<IKPIPROGS>-PROJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IKPIPROGS-WBSELEMENTOBJECT, sy-vline,
  WA_IKPIPROGS-MASTERPROJECTTYPE, sy-vline,
  WA_IKPIPROGS-MASTERPROJECTSTAGE, sy-vline,
  WA_IKPIPROGS-STARTDATE, sy-vline,
  WA_IKPIPROGS-ENDDATE, sy-vline,
  WA_IKPIPROGS-CUSTOMER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IKPIPROGS 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_IKPIPROGS 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_IKPIPROGS INTO WA_IKPIPROGS.


*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 ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IKPIPROGS-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKPIPROGS-PROJECT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field PROGRESSVERSION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IKPIPROGS-PROGRESSVERSION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IKPIPROGS-PROGRESSVERSION.
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_IKPIPROGS_STR, 
MANDT TYPE STRING,
MASTERPROJECT TYPE STRING,
MASTERPROJECTUUID TYPE STRING,
MASTERPROJECTNAME TYPE STRING,
PROJECT TYPE STRING,
WBSELEMENTOBJECT TYPE STRING,
MASTERPROJECTTYPE TYPE STRING,
MASTERPROJECTSTAGE TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
CUSTOMER TYPE STRING,
MASTERPROJECTORGANIZATION TYPE STRING,
MASTERPROJECTISCONFIDENTIAL TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
WORKTYPE TYPE STRING,
INDUSTRY TYPE STRING,
PROJECTRISK TYPE STRING,
FINANCIALRISK TYPE STRING,
TECHNICALRISK TYPE STRING,
OVERALLRISK TYPE STRING,
PROJECTUUID TYPE STRING,
MASTERPROJECTITEMUUID TYPE STRING,
MASTERPROJECTITEMOBJECTTYPE TYPE STRING,
MASTERPROJECTITEM TYPE STRING,
PLNDCOSTPCT TYPE STRING,
ACTLCOSTPCT TYPE STRING,
UNITOFMEASURE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CONTROLLINGOBJECTCURRENCY TYPE STRING,
PROGRESSVERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IKPIPROGS_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_IKPIPROGS_STR-MANDT sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECT sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTUUID sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTNAME sy-vline 
WA_IKPIPROGS_STR-PROJECT sy-vline 
WA_IKPIPROGS_STR-WBSELEMENTOBJECT sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTTYPE sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTSTAGE sy-vline 
WA_IKPIPROGS_STR-STARTDATE sy-vline 
WA_IKPIPROGS_STR-ENDDATE sy-vline 
WA_IKPIPROGS_STR-CUSTOMER sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTORGANIZATION sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTISCONFIDENTIAL sy-vline 
WA_IKPIPROGS_STR-COUNTRY sy-vline 
WA_IKPIPROGS_STR-REGION sy-vline 
WA_IKPIPROGS_STR-WORKTYPE sy-vline 
WA_IKPIPROGS_STR-INDUSTRY sy-vline 
WA_IKPIPROGS_STR-PROJECTRISK sy-vline 
WA_IKPIPROGS_STR-FINANCIALRISK sy-vline 
WA_IKPIPROGS_STR-TECHNICALRISK sy-vline 
WA_IKPIPROGS_STR-OVERALLRISK sy-vline 
WA_IKPIPROGS_STR-PROJECTUUID sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTITEMUUID sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTITEMOBJECTTYPE sy-vline 
WA_IKPIPROGS_STR-MASTERPROJECTITEM sy-vline 
WA_IKPIPROGS_STR-PLNDCOSTPCT sy-vline 
WA_IKPIPROGS_STR-ACTLCOSTPCT sy-vline 
WA_IKPIPROGS_STR-UNITOFMEASURE sy-vline 
WA_IKPIPROGS_STR-COMPANYCODECURRENCY sy-vline 
WA_IKPIPROGS_STR-TRANSACTIONCURRENCY sy-vline 
WA_IKPIPROGS_STR-CONTROLLINGOBJECTCURRENCY sy-vline 
WA_IKPIPROGS_STR-PROGRESSVERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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