ABAP Select data from SAP table PS0808 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0808 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 PS0808. 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 PS0808 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_PS0808 TYPE STANDARD TABLE OF PS0808,
      WA_PS0808 TYPE PS0808,
      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: <PS0808> TYPE PS0808.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0808.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0808
  INTO TABLE IT_PS0808.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0808
*  INTO TABLE @DATA(IT_PS08082).
*--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_PS0808 INDEX 1 INTO DATA(WA_PS08082).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0808 ASSIGNING <PS0808>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0808>-CCOBT = 1.
<PS0808>-CFIZZ = 1.
<PS0808>-IREAP = 1.
<PS0808>-CIINV = 1.
<PS0808>-IAOUK = 1.

ENDLOOP.

LOOP AT IT_PS0808 INTO WA_PS0808.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0808-CAARD, sy-vline,
  WA_PS0808-CAOCL, sy-vline,
  WA_PS0808-AANVU, sy-vline,
  WA_PS0808-VERWE, sy-vline,
  WA_PS0808-VANGN, sy-vline,
  WA_PS0808-CFIFZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0808 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_PS0808 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_PS0808 INTO WA_PS0808.


*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_PS0808_STR, 
CCOBT TYPE STRING,
CFIZZ TYPE STRING,
IREAP TYPE STRING,
CIINV TYPE STRING,
IAOUK TYPE STRING,
CAARD TYPE STRING,
CAOCL TYPE STRING,
AANVU TYPE STRING,
VERWE TYPE STRING,
VANGN TYPE STRING,
CFIFZ TYPE STRING,
CIVPL TYPE STRING,
NUMIV TYPE STRING,
NRPOL TYPE STRING,
CR55P TYPE STRING,
COHRS TYPE STRING,
NORSK TYPE STRING,
WSWA7 TYPE STRING,
JOBAG TYPE STRING,
MINWE TYPE STRING,
CAOCT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0808_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_PS0808_STR-CCOBT sy-vline 
WA_PS0808_STR-CFIZZ sy-vline 
WA_PS0808_STR-IREAP sy-vline 
WA_PS0808_STR-CIINV sy-vline 
WA_PS0808_STR-IAOUK sy-vline 
WA_PS0808_STR-CAARD sy-vline 
WA_PS0808_STR-CAOCL sy-vline 
WA_PS0808_STR-AANVU sy-vline 
WA_PS0808_STR-VERWE sy-vline 
WA_PS0808_STR-VANGN sy-vline 
WA_PS0808_STR-CFIFZ sy-vline 
WA_PS0808_STR-CIVPL sy-vline 
WA_PS0808_STR-NUMIV sy-vline 
WA_PS0808_STR-NRPOL sy-vline 
WA_PS0808_STR-CR55P sy-vline 
WA_PS0808_STR-COHRS sy-vline 
WA_PS0808_STR-NORSK sy-vline 
WA_PS0808_STR-WSWA7 sy-vline 
WA_PS0808_STR-JOBAG sy-vline 
WA_PS0808_STR-MINWE sy-vline 
WA_PS0808_STR-CAOCT sy-vline      INTO ld_text SEPARATED BY SPACE.

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