ABAP Select data from SAP table PEFFCTVBDINT2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PEFFCTVBDINT2 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 PEFFCTVBDINT2. 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 PEFFCTVBDINT2 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_PEFFCTVBDINT2 TYPE STANDARD TABLE OF PEFFCTVBDINT2,
      WA_PEFFCTVBDINT2 TYPE PEFFCTVBDINT2,
      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: <PEFFCTVBDINT2> TYPE PEFFCTVBDINT2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PEFFCTVBDINT2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PEFFCTVBDINT2
  INTO TABLE IT_PEFFCTVBDINT2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEFFCTVBDINT2
*  INTO TABLE @DATA(IT_PEFFCTVBDINT22).
*--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_PEFFCTVBDINT2 INDEX 1 INTO DATA(WA_PEFFCTVBDINT22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PEFFCTVBDINT2 ASSIGNING <PEFFCTVBDINT2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEFFCTVBDINT2>-MANDT = 1.
<PEFFCTVBDINT2>-MAINTENANCENOTIFICATION = 1.
<PEFFCTVBDINT2>-TECHNICALOBJECT = 1.
<PEFFCTVBDINT2>-TECHOBJISEQUIPORFUNCNLLOC = 1.
<PEFFCTVBDINT2>-OPERATIONSTARTDATE = 1.

ENDLOOP.

LOOP AT IT_PEFFCTVBDINT2 INTO WA_PEFFCTVBDINT2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEFFCTVBDINT2-S1MALFUNCTIONSTARTDATETIME, sy-vline,
  WA_PEFFCTVBDINT2-S1MALFUNCTIONENDDATETIME, sy-vline,
  WA_PEFFCTVBDINT2-T1MALFUNCTIONSTARTDATETIME, sy-vline,
  WA_PEFFCTVBDINT2-T1MALFUNCTIONENDDATETIME, sy-vline,
  WA_PEFFCTVBDINT2-S2MALFUNCTIONSTARTDATETIME, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PEFFCTVBDINT2 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_PEFFCTVBDINT2 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_PEFFCTVBDINT2 INTO WA_PEFFCTVBDINT2.


*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 ALPHA, internal->external for field MAINTENANCENOTIFICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PEFFCTVBDINT2-MAINTENANCENOTIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEFFCTVBDINT2-MAINTENANCENOTIFICATION.
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_PEFFCTVBDINT2_STR, 
MANDT TYPE STRING,
MAINTENANCENOTIFICATION TYPE STRING,
TECHNICALOBJECT TYPE STRING,
TECHOBJISEQUIPORFUNCNLLOC TYPE STRING,
OPERATIONSTARTDATE TYPE STRING,
S1MALFUNCTIONSTARTDATETIME TYPE STRING,
S1MALFUNCTIONENDDATETIME TYPE STRING,
T1MALFUNCTIONSTARTDATETIME TYPE STRING,
T1MALFUNCTIONENDDATETIME TYPE STRING,
S2MALFUNCTIONSTARTDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEFFCTVBDINT2_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_PEFFCTVBDINT2_STR-MANDT sy-vline 
WA_PEFFCTVBDINT2_STR-MAINTENANCENOTIFICATION sy-vline 
WA_PEFFCTVBDINT2_STR-TECHNICALOBJECT sy-vline 
WA_PEFFCTVBDINT2_STR-TECHOBJISEQUIPORFUNCNLLOC sy-vline 
WA_PEFFCTVBDINT2_STR-OPERATIONSTARTDATE sy-vline 
WA_PEFFCTVBDINT2_STR-S1MALFUNCTIONSTARTDATETIME sy-vline 
WA_PEFFCTVBDINT2_STR-S1MALFUNCTIONENDDATETIME sy-vline 
WA_PEFFCTVBDINT2_STR-T1MALFUNCTIONSTARTDATETIME sy-vline 
WA_PEFFCTVBDINT2_STR-T1MALFUNCTIONENDDATETIME sy-vline 
WA_PEFFCTVBDINT2_STR-S2MALFUNCTIONSTARTDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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