ABAP Select data from SAP table PIQIB_APPL_OVW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQIB_APPL_OVW
*  INTO TABLE @DATA(IT_PIQIB_APPL_OVW2).
*--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_PIQIB_APPL_OVW INDEX 1 INTO DATA(WA_PIQIB_APPL_OVW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQIB_APPL_OVW>-NOTIF_NO = 1.
<PIQIB_APPL_OVW>-NOTIF_TEXT = 1.
<PIQIB_APPL_OVW>-STATUS_LINE = 1.
<PIQIB_APPL_OVW>-STATUS_USER_LINE = 1.
<PIQIB_APPL_OVW>-STATUS_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQIB_APPL_OVW-STATUS_USER_TEXT, sy-vline,
  WA_PIQIB_APPL_OVW-PROGRAM_OBJID, sy-vline,
  WA_PIQIB_APPL_OVW-PROGRAM_SHORT, sy-vline,
  WA_PIQIB_APPL_OVW-PROGRAM_STEXT, sy-vline,
  WA_PIQIB_APPL_OVW-PRTYPE, sy-vline,
  WA_PIQIB_APPL_OVW-PRTYPE_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQIB_APPL_OVW 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_PIQIB_APPL_OVW 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_PIQIB_APPL_OVW INTO WA_PIQIB_APPL_OVW.


*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 NOTIF_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PIQIB_APPL_OVW-NOTIF_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQIB_APPL_OVW-NOTIF_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field E_MAIL_SP
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_PIQIB_APPL_OVW-E_MAIL_SP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQIB_APPL_OVW-E_MAIL_SP.
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_PIQIB_APPL_OVW_STR, 
NOTIF_NO TYPE STRING,
NOTIF_TEXT TYPE STRING,
STATUS_LINE TYPE STRING,
STATUS_USER_LINE TYPE STRING,
STATUS_TEXT TYPE STRING,
STATUS_USER_TEXT TYPE STRING,
PROGRAM_OBJID TYPE STRING,
PROGRAM_SHORT TYPE STRING,
PROGRAM_STEXT TYPE STRING,
PRTYPE TYPE STRING,
PRTYPE_TEXT TYPE STRING,
PERID TYPE STRING,
PERYR TYPE STRING,
PERIT TYPE STRING,
PERYT TYPE STRING,
STAGE TYPE STRING,
STAGE_TEXT TYPE STRING,
SELECTED_POPIN TYPE STRING,
CHOICE_NO TYPE STRING,
CHOICE_NOT TYPE STRING,
ADM_PROGCLASS TYPE STRING,
ADM_PARTT TYPE STRING,
ADM_CATEG TYPE STRING,
ADM_CATEGT TYPE STRING,
ADM_ENRCATEG TYPE STRING,
ADM_ENRCATEGT TYPE STRING,
ADM_CODE TYPE STRING,
ADM_PERCT TYPE STRING,
ADM_STATUS_SUP TYPE STRING,
ADM_STATUS_SUPT TYPE STRING,
ADM_DEC TYPE STRING,
ADM_RECPT TYPE STRING,
ADM_WITH_DECL TYPE STRING,
ADM_ACTIVITY TYPE STRING,
ADM_ACTIVITYT TYPE STRING,
E_MAIL_SP TYPE STRING,
COUNTRY_TL TYPE STRING,
TELEPHONE_TL TYPE STRING,
STREET TYPE STRING,
HOUSE_NO TYPE STRING,
POSTL_COD1 TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
COUNTRYT TYPE STRING,
REGION TYPE STRING,
REGIONT TYPE STRING,
MODGRP TYPE STRING,
MODGRPT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQIB_APPL_OVW_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_PIQIB_APPL_OVW_STR-NOTIF_NO sy-vline 
WA_PIQIB_APPL_OVW_STR-NOTIF_TEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-STATUS_LINE sy-vline 
WA_PIQIB_APPL_OVW_STR-STATUS_USER_LINE sy-vline 
WA_PIQIB_APPL_OVW_STR-STATUS_TEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-STATUS_USER_TEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-PROGRAM_OBJID sy-vline 
WA_PIQIB_APPL_OVW_STR-PROGRAM_SHORT sy-vline 
WA_PIQIB_APPL_OVW_STR-PROGRAM_STEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-PRTYPE sy-vline 
WA_PIQIB_APPL_OVW_STR-PRTYPE_TEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-PERID sy-vline 
WA_PIQIB_APPL_OVW_STR-PERYR sy-vline 
WA_PIQIB_APPL_OVW_STR-PERIT sy-vline 
WA_PIQIB_APPL_OVW_STR-PERYT sy-vline 
WA_PIQIB_APPL_OVW_STR-STAGE sy-vline 
WA_PIQIB_APPL_OVW_STR-STAGE_TEXT sy-vline 
WA_PIQIB_APPL_OVW_STR-SELECTED_POPIN sy-vline 
WA_PIQIB_APPL_OVW_STR-CHOICE_NO sy-vline 
WA_PIQIB_APPL_OVW_STR-CHOICE_NOT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_PROGCLASS sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_PARTT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_CATEG sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_CATEGT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_ENRCATEG sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_ENRCATEGT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_CODE sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_PERCT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_STATUS_SUP sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_STATUS_SUPT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_DEC sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_RECPT sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_WITH_DECL sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_ACTIVITY sy-vline 
WA_PIQIB_APPL_OVW_STR-ADM_ACTIVITYT sy-vline 
WA_PIQIB_APPL_OVW_STR-E_MAIL_SP sy-vline 
WA_PIQIB_APPL_OVW_STR-COUNTRY_TL sy-vline 
WA_PIQIB_APPL_OVW_STR-TELEPHONE_TL sy-vline 
WA_PIQIB_APPL_OVW_STR-STREET sy-vline 
WA_PIQIB_APPL_OVW_STR-HOUSE_NO sy-vline 
WA_PIQIB_APPL_OVW_STR-POSTL_COD1 sy-vline 
WA_PIQIB_APPL_OVW_STR-CITY sy-vline 
WA_PIQIB_APPL_OVW_STR-COUNTRY sy-vline 
WA_PIQIB_APPL_OVW_STR-COUNTRYT sy-vline 
WA_PIQIB_APPL_OVW_STR-REGION sy-vline 
WA_PIQIB_APPL_OVW_STR-REGIONT sy-vline 
WA_PIQIB_APPL_OVW_STR-MODGRP sy-vline 
WA_PIQIB_APPL_OVW_STR-MODGRPT sy-vline      INTO ld_text SEPARATED BY SPACE.

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