ABAP Select data from SAP table P05T_RPUWABN0_DISPLAY_ALV_R02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P05T_RPUWABN0_DISPLAY_ALV_R02 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 P05T_RPUWABN0_DISPLAY_ALV_R02. 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 P05T_RPUWABN0_DISPLAY_ALV_R02 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_P05T_RPUWABN0_DISPLAY_ALV_R02 TYPE STANDARD TABLE OF P05T_RPUWABN0_DISPLAY_ALV_R02,
      WA_P05T_RPUWABN0_DISPLAY_ALV_R02 TYPE P05T_RPUWABN0_DISPLAY_ALV_R02,
      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: <P05T_RPUWABN0_DISPLAY_ALV_R02> TYPE P05T_RPUWABN0_DISPLAY_ALV_R02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P05T_RPUWABN0_DISPLAY_ALV_R02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P05T_RPUWABN0_DISPLAY_ALV_R02
  INTO TABLE IT_P05T_RPUWABN0_DISPLAY_ALV_R02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P05T_RPUWABN0_DISPLAY_ALV_R02
*  INTO TABLE @DATA(IT_P05T_RPUWABN0_DISPLAY_ALV_R022).
*--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_P05T_RPUWABN0_DISPLAY_ALV_R02 INDEX 1 INTO DATA(WA_P05T_RPUWABN0_DISPLAY_ALV_R022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P05T_RPUWABN0_DISPLAY_ALV_R02 ASSIGNING <P05T_RPUWABN0_DISPLAY_ALV_R02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P05T_RPUWABN0_DISPLAY_ALV_R02>-JUPER = 1.
<P05T_RPUWABN0_DISPLAY_ALV_R02>-JUPER_TXT = 1.
<P05T_RPUWABN0_DISPLAY_ALV_R02>-ANSNR = 1.
<P05T_RPUWABN0_DISPLAY_ALV_R02>-PERNR = 1.
<P05T_RPUWABN0_DISPLAY_ALV_R02>-ENAME = 1.

ENDLOOP.

LOOP AT IT_P05T_RPUWABN0_DISPLAY_ALV_R02 INTO WA_P05T_RPUWABN0_DISPLAY_ALV_R02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P05T_RPUWABN0_DISPLAY_ALV_R02-BSN, sy-vline,
  WA_P05T_RPUWABN0_DISPLAY_ALV_R02-FPPER, sy-vline,
  WA_P05T_RPUWABN0_DISPLAY_ALV_R02-BEGDA, sy-vline,
  WA_P05T_RPUWABN0_DISPLAY_ALV_R02-ENDDA, sy-vline,
  WA_P05T_RPUWABN0_DISPLAY_ALV_R02-DAYS, sy-vline,
  WA_P05T_RPUWABN0_DISPLAY_ALV_R02-CTTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P05T_RPUWABN0_DISPLAY_ALV_R02 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_P05T_RPUWABN0_DISPLAY_ALV_R02 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_P05T_RPUWABN0_DISPLAY_ALV_R02 INTO WA_P05T_RPUWABN0_DISPLAY_ALV_R02.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_P05T_RPUWABN0_DISPLAY_ALV_R02_STR, 
JUPER TYPE STRING,
JUPER_TXT TYPE STRING,
ANSNR TYPE STRING,
PERNR TYPE STRING,
ENAME TYPE STRING,
BSN TYPE STRING,
FPPER TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
DAYS TYPE STRING,
CTTYP TYPE STRING,
CTTXT TYPE STRING,
CTEDT TYPE STRING,
PNTCT TYPE STRING,
CTWRT TYPE STRING,
CTSBY TYPE STRING,
CTANH TYPE STRING,
BBL TYPE STRING,
AANVU TYPE STRING,
COHRS TYPE STRING,
AVERAGE TYPE STRING,
DIFFERENCE TYPE STRING,
REVISION_NEEDED TYPE STRING,
WITHDRAWAL_NEEDED TYPE STRING,
CTRRS TYPE STRING,
REVISION_BEGDA TYPE STRING,
REVISION_ENDDA TYPE STRING,
UPDATED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P05T_RPUWABN0_DISPLAY_ALV_R02_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_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-JUPER sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-JUPER_TXT sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-ANSNR sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-PERNR sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-ENAME sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-BSN sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-FPPER sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-BEGDA sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-ENDDA sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-DAYS sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTTYP sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTTXT sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTEDT sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-PNTCT sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTWRT sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTSBY sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTANH sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-BBL sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-AANVU sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-COHRS sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-AVERAGE sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-DIFFERENCE sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-REVISION_NEEDED sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-WITHDRAWAL_NEEDED sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-CTRRS sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-REVISION_BEGDA sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-REVISION_ENDDA sy-vline 
WA_P05T_RPUWABN0_DISPLAY_ALV_R02_STR-UPDATED sy-vline      INTO ld_text SEPARATED BY SPACE.

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