ABAP Select data from SAP table PS0033 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0033 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 PS0033. 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 PS0033 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_PS0033 TYPE STANDARD TABLE OF PS0033,
      WA_PS0033 TYPE PS0033,
      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: <PS0033> TYPE PS0033.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0033.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0033
  INTO TABLE IT_PS0033.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0033
*  INTO TABLE @DATA(IT_PS00332).
*--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_PS0033 INDEX 1 INTO DATA(WA_PS00332).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0033 ASSIGNING <PS0033>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0033>-AUS01 = 1.
<PS0033>-AUS02 = 1.
<PS0033>-AUS03 = 1.
<PS0033>-AUS04 = 1.
<PS0033>-AUS05 = 1.

ENDLOOP.

LOOP AT IT_PS0033 INTO WA_PS0033.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0033-AUS06, sy-vline,
  WA_PS0033-AUS07, sy-vline,
  WA_PS0033-AUS08, sy-vline,
  WA_PS0033-AUS09, sy-vline,
  WA_PS0033-AUS10, sy-vline,
  WA_PS0033-AUS11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0033 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_PS0033 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_PS0033 INTO WA_PS0033.


*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_PS0033_STR, 
AUS01 TYPE STRING,
AUS02 TYPE STRING,
AUS03 TYPE STRING,
AUS04 TYPE STRING,
AUS05 TYPE STRING,
AUS06 TYPE STRING,
AUS07 TYPE STRING,
AUS08 TYPE STRING,
AUS09 TYPE STRING,
AUS10 TYPE STRING,
AUS11 TYPE STRING,
AUS12 TYPE STRING,
AUS13 TYPE STRING,
AUS14 TYPE STRING,
AUS15 TYPE STRING,
AUS16 TYPE STRING,
AUS17 TYPE STRING,
AUS18 TYPE STRING,
AUS19 TYPE STRING,
AUS20 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0033_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_PS0033_STR-AUS01 sy-vline 
WA_PS0033_STR-AUS02 sy-vline 
WA_PS0033_STR-AUS03 sy-vline 
WA_PS0033_STR-AUS04 sy-vline 
WA_PS0033_STR-AUS05 sy-vline 
WA_PS0033_STR-AUS06 sy-vline 
WA_PS0033_STR-AUS07 sy-vline 
WA_PS0033_STR-AUS08 sy-vline 
WA_PS0033_STR-AUS09 sy-vline 
WA_PS0033_STR-AUS10 sy-vline 
WA_PS0033_STR-AUS11 sy-vline 
WA_PS0033_STR-AUS12 sy-vline 
WA_PS0033_STR-AUS13 sy-vline 
WA_PS0033_STR-AUS14 sy-vline 
WA_PS0033_STR-AUS15 sy-vline 
WA_PS0033_STR-AUS16 sy-vline 
WA_PS0033_STR-AUS17 sy-vline 
WA_PS0033_STR-AUS18 sy-vline 
WA_PS0033_STR-AUS19 sy-vline 
WA_PS0033_STR-AUS20 sy-vline      INTO ld_text SEPARATED BY SPACE.

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