ABAP Select data from SAP table P08P_USS8 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P08P_USS8 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 P08P_USS8. 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 P08P_USS8 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_P08P_USS8 TYPE STANDARD TABLE OF P08P_USS8,
      WA_P08P_USS8 TYPE P08P_USS8,
      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: <P08P_USS8> TYPE P08P_USS8.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08P_USS8.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08P_USS8
  INTO TABLE IT_P08P_USS8.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08P_USS8
*  INTO TABLE @DATA(IT_P08P_USS82).
*--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_P08P_USS8 INDEX 1 INTO DATA(WA_P08P_USS82).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08P_USS8 ASSIGNING <P08P_USS8>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08P_USS8>-CRCTY = 1.
<P08P_USS8>-CFIL1 = 1.
<P08P_USS8>-CNINO = 1.
<P08P_USS8>-CCHKB = 1.
<P08P_USS8>-CSURN = 1.

ENDLOOP.

LOOP AT IT_P08P_USS8 INTO WA_P08P_USS8.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08P_USS8-CDOB, sy-vline,
  WA_P08P_USS8-CFIL2, sy-vline,
  WA_P08P_USS8-CYEDT, sy-vline,
  WA_P08P_USS8-CFIL3, sy-vline,
  WA_P08P_USS8-CPENA, sy-vline,
  WA_P08P_USS8-CPENS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08P_USS8 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_P08P_USS8 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_P08P_USS8 INTO WA_P08P_USS8.


*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_P08P_USS8_STR, 
CRCTY TYPE STRING,
CFIL1 TYPE STRING,
CNINO TYPE STRING,
CCHKB TYPE STRING,
CSURN TYPE STRING,
CDOB TYPE STRING,
CFIL2 TYPE STRING,
CYEDT TYPE STRING,
CFIL3 TYPE STRING,
CPENA TYPE STRING,
CPENS TYPE STRING,
CAVCA TYPE STRING,
CAVCS TYPE STRING,
CCONA TYPE STRING,
CCONS TYPE STRING,
CLINO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08P_USS8_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_P08P_USS8_STR-CRCTY sy-vline 
WA_P08P_USS8_STR-CFIL1 sy-vline 
WA_P08P_USS8_STR-CNINO sy-vline 
WA_P08P_USS8_STR-CCHKB sy-vline 
WA_P08P_USS8_STR-CSURN sy-vline 
WA_P08P_USS8_STR-CDOB sy-vline 
WA_P08P_USS8_STR-CFIL2 sy-vline 
WA_P08P_USS8_STR-CYEDT sy-vline 
WA_P08P_USS8_STR-CFIL3 sy-vline 
WA_P08P_USS8_STR-CPENA sy-vline 
WA_P08P_USS8_STR-CPENS sy-vline 
WA_P08P_USS8_STR-CAVCA sy-vline 
WA_P08P_USS8_STR-CAVCS sy-vline 
WA_P08P_USS8_STR-CCONA sy-vline 
WA_P08P_USS8_STR-CCONS sy-vline 
WA_P08P_USS8_STR-CLINO sy-vline      INTO ld_text SEPARATED BY SPACE.

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