ABAP Select data from SAP table PIBASEVALCOMB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIBASEVALCOMB
*  INTO TABLE @DATA(IT_PIBASEVALCOMB2).
*--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_PIBASEVALCOMB INDEX 1 INTO DATA(WA_PIBASEVALCOMB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIBASEVALCOMB>-MANDT = 1.
<PIBASEVALCOMB>-INSTALLEDBASECOMPONENTRECORDNO = 1.
<PIBASEVALCOMB>-IN_SEGMCNT = 1.
<PIBASEVALCOMB>-CHARCINTERNALID = 1.
<PIBASEVALCOMB>-CHARCVALUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIBASEVALCOMB-CHARCFROMNUMERICVALUE, sy-vline,
  WA_PIBASEVALCOMB-CHARCTONUMERICVALUE, sy-vline,
  WA_PIBASEVALCOMB-CHARCVALUEINTERVALTYPE, sy-vline,
  WA_PIBASEVALCOMB-CHARACTERISTICMINIMUMVALUEUNIT, sy-vline,
  WA_PIBASEVALCOMB-CHARACTERISTICMAXIMUMVALUEUNIT, sy-vline,
  WA_PIBASEVALCOMB-CHARCFROMDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIBASEVALCOMB 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_PIBASEVALCOMB 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_PIBASEVALCOMB INTO WA_PIBASEVALCOMB.


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

*Conversion exit CUNIT, internal->external for field CHARACTERISTICMAXIMUMVALUEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIBASEVALCOMB-CHARACTERISTICMAXIMUMVALUEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIBASEVALCOMB-CHARACTERISTICMAXIMUMVALUEUNIT.
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_PIBASEVALCOMB_STR, 
MANDT TYPE STRING,
INSTALLEDBASECOMPONENTRECORDNO TYPE STRING,
IN_SEGMCNT TYPE STRING,
CHARCINTERNALID TYPE STRING,
CHARCVALUE TYPE STRING,
CHARCFROMNUMERICVALUE TYPE STRING,
CHARCTONUMERICVALUE TYPE STRING,
CHARCVALUEINTERVALTYPE TYPE STRING,
CHARACTERISTICMINIMUMVALUEUNIT TYPE STRING,
CHARACTERISTICMAXIMUMVALUEUNIT TYPE STRING,
CHARCFROMDATE TYPE STRING,
CHARCTODATE TYPE STRING,
CHARCFROMTIME TYPE STRING,
CHARCTOTIME TYPE STRING,
CHARCFROMAMOUNT TYPE STRING,
CHARCTOAMOUNT TYPE STRING,
CHARACTERISTICCURRENCY TYPE STRING,
CHARCFROMDECIMALVALUE TYPE STRING,
CHARCTODECIMALVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIBASEVALCOMB_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_PIBASEVALCOMB_STR-MANDT sy-vline 
WA_PIBASEVALCOMB_STR-INSTALLEDBASECOMPONENTRECORDNO sy-vline 
WA_PIBASEVALCOMB_STR-IN_SEGMCNT sy-vline 
WA_PIBASEVALCOMB_STR-CHARCINTERNALID sy-vline 
WA_PIBASEVALCOMB_STR-CHARCVALUE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCFROMNUMERICVALUE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCTONUMERICVALUE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCVALUEINTERVALTYPE sy-vline 
WA_PIBASEVALCOMB_STR-CHARACTERISTICMINIMUMVALUEUNIT sy-vline 
WA_PIBASEVALCOMB_STR-CHARACTERISTICMAXIMUMVALUEUNIT sy-vline 
WA_PIBASEVALCOMB_STR-CHARCFROMDATE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCTODATE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCFROMTIME sy-vline 
WA_PIBASEVALCOMB_STR-CHARCTOTIME sy-vline 
WA_PIBASEVALCOMB_STR-CHARCFROMAMOUNT sy-vline 
WA_PIBASEVALCOMB_STR-CHARCTOAMOUNT sy-vline 
WA_PIBASEVALCOMB_STR-CHARACTERISTICCURRENCY sy-vline 
WA_PIBASEVALCOMB_STR-CHARCFROMDECIMALVALUE sy-vline 
WA_PIBASEVALCOMB_STR-CHARCTODECIMALVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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