ABAP Select data from SAP table PS0335 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0335 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 PS0335. 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 PS0335 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_PS0335 TYPE STANDARD TABLE OF PS0335,
      WA_PS0335 TYPE PS0335,
      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: <PS0335> TYPE PS0335.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0335.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0335
  INTO TABLE IT_PS0335.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0335
*  INTO TABLE @DATA(IT_PS03352).
*--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_PS0335 INDEX 1 INTO DATA(WA_PS03352).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0335 ASSIGNING <PS0335>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0335>-FULNA = 1.
<PS0335>-FINUM = 1.
<PS0335>-SSNUM = 1.
<PS0335>-SSINS = 1.
<PS0335>-RELCO = 1.

ENDLOOP.

LOOP AT IT_PS0335 INTO WA_PS0335.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0335-DADEA, sy-vline,
  WA_PS0335-FAMAL, sy-vline,
  WA_PS0335-DISBO, sy-vline,
  WA_PS0335-SPCER, sy-vline,
  WA_PS0335-LLMBN, sy-vline,
  WA_PS0335-SSA3P, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0335 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_PS0335 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_PS0335 INTO WA_PS0335.


*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_PS0335_STR, 
FULNA TYPE STRING,
FINUM TYPE STRING,
SSNUM TYPE STRING,
SSINS TYPE STRING,
RELCO TYPE STRING,
DADEA TYPE STRING,
FAMAL TYPE STRING,
DISBO TYPE STRING,
SPCER TYPE STRING,
LLMBN TYPE STRING,
SSA3P TYPE STRING,
BENEF TYPE STRING,
CERTA TYPE STRING,
SPBEN TYPE STRING,
VADSE TYPE STRING,
NSERS TYPE STRING,
PCDEF TYPE STRING,
CERDT TYPE STRING,
BFA_ALWTP TYPE STRING,
BFA_GRADE TYPE STRING,
BFA_VALDT TYPE STRING,
BFA_PARES TYPE STRING,
BFA_FPAYM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0335_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_PS0335_STR-FULNA sy-vline 
WA_PS0335_STR-FINUM sy-vline 
WA_PS0335_STR-SSNUM sy-vline 
WA_PS0335_STR-SSINS sy-vline 
WA_PS0335_STR-RELCO sy-vline 
WA_PS0335_STR-DADEA sy-vline 
WA_PS0335_STR-FAMAL sy-vline 
WA_PS0335_STR-DISBO sy-vline 
WA_PS0335_STR-SPCER sy-vline 
WA_PS0335_STR-LLMBN sy-vline 
WA_PS0335_STR-SSA3P sy-vline 
WA_PS0335_STR-BENEF sy-vline 
WA_PS0335_STR-CERTA sy-vline 
WA_PS0335_STR-SPBEN sy-vline 
WA_PS0335_STR-VADSE sy-vline 
WA_PS0335_STR-NSERS sy-vline 
WA_PS0335_STR-PCDEF sy-vline 
WA_PS0335_STR-CERDT sy-vline 
WA_PS0335_STR-BFA_ALWTP sy-vline 
WA_PS0335_STR-BFA_GRADE sy-vline 
WA_PS0335_STR-BFA_VALDT sy-vline 
WA_PS0335_STR-BFA_PARES sy-vline 
WA_PS0335_STR-BFA_FPAYM sy-vline      INTO ld_text SEPARATED BY SPACE.

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