ABAP Select data from SAP table PS0228 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0228 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 PS0228. 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 PS0228 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_PS0228 TYPE STANDARD TABLE OF PS0228,
      WA_PS0228 TYPE PS0228,
      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: <PS0228> TYPE PS0228.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0228.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0228
  INTO TABLE IT_PS0228.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0228
*  INTO TABLE @DATA(IT_PS02282).
*--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_PS0228 INDEX 1 INTO DATA(WA_PS02282).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0228 ASSIGNING <PS0228>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0228>-PRCAT = 1.
<PS0228>-PRCWA = 1.
<PS0228>-EXGAR = 1.
<PS0228>-EXWAE = 1.
<PS0228>-WITH1 = 1.

ENDLOOP.

LOOP AT IT_PS0228 INTO WA_PS0228.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0228-MINAT, sy-vline,
  WA_PS0228-MINWA, sy-vline,
  WA_PS0228-MAXAT, sy-vline,
  WA_PS0228-MAXWA, sy-vline,
  WA_PS0228-GARNO, sy-vline,
  WA_PS0228-EXOFF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0228 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_PS0228 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_PS0228 INTO WA_PS0228.


*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_PS0228_STR, 
PRCAT TYPE STRING,
PRCWA TYPE STRING,
EXGAR TYPE STRING,
EXWAE TYPE STRING,
WITH1 TYPE STRING,
MINAT TYPE STRING,
MINWA TYPE STRING,
MAXAT TYPE STRING,
MAXWA TYPE STRING,
GARNO TYPE STRING,
EXOFF TYPE STRING,
FIXAM TYPE STRING,
FIXWA TYPE STRING,
WITHF TYPE STRING,
WITHM TYPE STRING,
FIXAM2 TYPE STRING,
FIXWA2 TYPE STRING,
PERIO TYPE STRING,
RFNUM TYPE STRING,
VARAM TYPE STRING,
VARWA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0228_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_PS0228_STR-PRCAT sy-vline 
WA_PS0228_STR-PRCWA sy-vline 
WA_PS0228_STR-EXGAR sy-vline 
WA_PS0228_STR-EXWAE sy-vline 
WA_PS0228_STR-WITH1 sy-vline 
WA_PS0228_STR-MINAT sy-vline 
WA_PS0228_STR-MINWA sy-vline 
WA_PS0228_STR-MAXAT sy-vline 
WA_PS0228_STR-MAXWA sy-vline 
WA_PS0228_STR-GARNO sy-vline 
WA_PS0228_STR-EXOFF sy-vline 
WA_PS0228_STR-FIXAM sy-vline 
WA_PS0228_STR-FIXWA sy-vline 
WA_PS0228_STR-WITHF sy-vline 
WA_PS0228_STR-WITHM sy-vline 
WA_PS0228_STR-FIXAM2 sy-vline 
WA_PS0228_STR-FIXWA2 sy-vline 
WA_PS0228_STR-PERIO sy-vline 
WA_PS0228_STR-RFNUM sy-vline 
WA_PS0228_STR-VARAM sy-vline 
WA_PS0228_STR-VARWA sy-vline      INTO ld_text SEPARATED BY SPACE.

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