ABAP Select data from SAP table PS3250 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS3250 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 PS3250. 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 PS3250 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_PS3250 TYPE STANDARD TABLE OF PS3250,
      WA_PS3250 TYPE PS3250,
      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: <PS3250> TYPE PS3250.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS3250.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS3250
  INTO TABLE IT_PS3250.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS3250
*  INTO TABLE @DATA(IT_PS32502).
*--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_PS3250 INDEX 1 INTO DATA(WA_PS32502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS3250 ASSIGNING <PS3250>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS3250>-TYPE = 1.
<PS3250>-STAT1 = 1.
<PS3250>-WDTSE = 1.
<PS3250>-ASWSW = 1.
<PS3250>-DIPAY = 1.

ENDLOOP.

LOOP AT IT_PS3250 INTO WA_PS3250.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS3250-RELAI, sy-vline,
  WA_PS3250-INDCA, sy-vline,
  WA_PS3250-CRGAW, sy-vline,
  WA_PS3250-DAOAO, sy-vline,
  WA_PS3250-CDINO, sy-vline,
  WA_PS3250-INDOV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS3250 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_PS3250 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_PS3250 INTO WA_PS3250.


*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.

*Conversion exit PDATE, internal->external for field CHBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PS3250-CHBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PS3250-CHBDAT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_PS3250_STR, 
TYPE TYPE STRING,
STAT1 TYPE STRING,
WDTSE TYPE STRING,
ASWSW TYPE STRING,
DIPAY TYPE STRING,
RELAI TYPE STRING,
INDCA TYPE STRING,
CRGAW TYPE STRING,
DAOAO TYPE STRING,
CDINO TYPE STRING,
INDOV TYPE STRING,
AKOVA TYPE STRING,
INDOA TYPE STRING,
VEAOR TYPE STRING,
INDAL TYPE STRING,
AAVBT TYPE STRING,
AWART TYPE STRING,
BSLPD TYPE STRING,
BSL1A TYPE STRING,
RECUR TYPE STRING,
SPSIT TYPE STRING,
CHBDAT TYPE STRING,
NWEEKS TYPE STRING,
STUSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS3250_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_PS3250_STR-TYPE sy-vline 
WA_PS3250_STR-STAT1 sy-vline 
WA_PS3250_STR-WDTSE sy-vline 
WA_PS3250_STR-ASWSW sy-vline 
WA_PS3250_STR-DIPAY sy-vline 
WA_PS3250_STR-RELAI sy-vline 
WA_PS3250_STR-INDCA sy-vline 
WA_PS3250_STR-CRGAW sy-vline 
WA_PS3250_STR-DAOAO sy-vline 
WA_PS3250_STR-CDINO sy-vline 
WA_PS3250_STR-INDOV sy-vline 
WA_PS3250_STR-AKOVA sy-vline 
WA_PS3250_STR-INDOA sy-vline 
WA_PS3250_STR-VEAOR sy-vline 
WA_PS3250_STR-INDAL sy-vline 
WA_PS3250_STR-AAVBT sy-vline 
WA_PS3250_STR-AWART sy-vline 
WA_PS3250_STR-BSLPD sy-vline 
WA_PS3250_STR-BSL1A sy-vline 
WA_PS3250_STR-RECUR sy-vline 
WA_PS3250_STR-SPSIT sy-vline 
WA_PS3250_STR-CHBDAT sy-vline 
WA_PS3250_STR-NWEEKS sy-vline 
WA_PS3250_STR-STUSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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