ABAP Select data from SAP table PS0903 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0903 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 PS0903. 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 PS0903 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_PS0903 TYPE STANDARD TABLE OF PS0903,
      WA_PS0903 TYPE PS0903,
      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: <PS0903> TYPE PS0903.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0903.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0903
  INTO TABLE IT_PS0903.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0903
*  INTO TABLE @DATA(IT_PS09032).
*--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_PS0903 INDEX 1 INTO DATA(WA_PS09032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0903 ASSIGNING <PS0903>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0903>-RET_BEN_PLN = 1.
<PS0903>-CUR_BS_PNT = 1.
<PS0903>-CUR_BS_AMT = 1.
<PS0903>-CUR_INT_PNT = 1.
<PS0903>-CUR_INT_AMT = 1.

ENDLOOP.

LOOP AT IT_PS0903 INTO WA_PS0903.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0903-RET_BEN_RES_PNT, sy-vline,
  WA_PS0903-RET_BEN_RES_AMT, sy-vline,
  WA_PS0903-IND_ACC_BAL_PNT, sy-vline,
  WA_PS0903-IND_ACC_BAL_AMT, sy-vline,
  WA_PS0903-SUB_PLAN1, sy-vline,
  WA_PS0903-SUB_PLAN2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0903 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_PS0903 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_PS0903 INTO WA_PS0903.


*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_PS0903_STR, 
RET_BEN_PLN TYPE STRING,
CUR_BS_PNT TYPE STRING,
CUR_BS_AMT TYPE STRING,
CUR_INT_PNT TYPE STRING,
CUR_INT_AMT TYPE STRING,
RET_BEN_RES_PNT TYPE STRING,
RET_BEN_RES_AMT TYPE STRING,
IND_ACC_BAL_PNT TYPE STRING,
IND_ACC_BAL_AMT TYPE STRING,
SUB_PLAN1 TYPE STRING,
SUB_PLAN2 TYPE STRING,
SUB_PLAN3 TYPE STRING,
SUB_PLAN4 TYPE STRING,
SUB_PLAN5 TYPE STRING,
CUR_BS_PNT1 TYPE STRING,
CUR_BS_AMT1 TYPE STRING,
CUR_INT_PNT1 TYPE STRING,
CUR_INT_AMT1 TYPE STRING,
RET_BEN_RES_PNT1 TYPE STRING,
RET_BEN_RES_AMT1 TYPE STRING,
IND_ACC_BAL_PNT1 TYPE STRING,
IND_ACC_BAL_AMT1 TYPE STRING,
CUR_BS_PNT2 TYPE STRING,
CUR_BS_AMT2 TYPE STRING,
CUR_INT_PNT2 TYPE STRING,
CUR_INT_AMT2 TYPE STRING,
RET_BEN_RES_PNT2 TYPE STRING,
RET_BEN_RES_AMT2 TYPE STRING,
IND_ACC_BAL_PNT2 TYPE STRING,
IND_ACC_BAL_AMT2 TYPE STRING,
CUR_BS_PNT3 TYPE STRING,
CUR_BS_AMT3 TYPE STRING,
CUR_INT_PNT3 TYPE STRING,
CUR_INT_AMT3 TYPE STRING,
RET_BEN_RES_PNT3 TYPE STRING,
RET_BEN_RES_AMT3 TYPE STRING,
IND_ACC_BAL_PNT3 TYPE STRING,
IND_ACC_BAL_AMT3 TYPE STRING,
CUR_BS_PNT4 TYPE STRING,
CUR_BS_AMT4 TYPE STRING,
CUR_INT_PNT4 TYPE STRING,
CUR_INT_AMT4 TYPE STRING,
RET_BEN_RES_PNT4 TYPE STRING,
RET_BEN_RES_AMT4 TYPE STRING,
IND_ACC_BAL_PNT4 TYPE STRING,
IND_ACC_BAL_AMT4 TYPE STRING,
CUR_BS_PNT5 TYPE STRING,
CUR_BS_AMT5 TYPE STRING,
CUR_INT_PNT5 TYPE STRING,
CUR_INT_AMT5 TYPE STRING,
RET_BEN_RES_PNT5 TYPE STRING,
RET_BEN_RES_AMT5 TYPE STRING,
IND_ACC_BAL_PNT5 TYPE STRING,
IND_ACC_BAL_AMT5 TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0903_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_PS0903_STR-RET_BEN_PLN sy-vline 
WA_PS0903_STR-CUR_BS_PNT sy-vline 
WA_PS0903_STR-CUR_BS_AMT sy-vline 
WA_PS0903_STR-CUR_INT_PNT sy-vline 
WA_PS0903_STR-CUR_INT_AMT sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT sy-vline 
WA_PS0903_STR-SUB_PLAN1 sy-vline 
WA_PS0903_STR-SUB_PLAN2 sy-vline 
WA_PS0903_STR-SUB_PLAN3 sy-vline 
WA_PS0903_STR-SUB_PLAN4 sy-vline 
WA_PS0903_STR-SUB_PLAN5 sy-vline 
WA_PS0903_STR-CUR_BS_PNT1 sy-vline 
WA_PS0903_STR-CUR_BS_AMT1 sy-vline 
WA_PS0903_STR-CUR_INT_PNT1 sy-vline 
WA_PS0903_STR-CUR_INT_AMT1 sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT1 sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT1 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT1 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT1 sy-vline 
WA_PS0903_STR-CUR_BS_PNT2 sy-vline 
WA_PS0903_STR-CUR_BS_AMT2 sy-vline 
WA_PS0903_STR-CUR_INT_PNT2 sy-vline 
WA_PS0903_STR-CUR_INT_AMT2 sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT2 sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT2 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT2 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT2 sy-vline 
WA_PS0903_STR-CUR_BS_PNT3 sy-vline 
WA_PS0903_STR-CUR_BS_AMT3 sy-vline 
WA_PS0903_STR-CUR_INT_PNT3 sy-vline 
WA_PS0903_STR-CUR_INT_AMT3 sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT3 sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT3 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT3 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT3 sy-vline 
WA_PS0903_STR-CUR_BS_PNT4 sy-vline 
WA_PS0903_STR-CUR_BS_AMT4 sy-vline 
WA_PS0903_STR-CUR_INT_PNT4 sy-vline 
WA_PS0903_STR-CUR_INT_AMT4 sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT4 sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT4 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT4 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT4 sy-vline 
WA_PS0903_STR-CUR_BS_PNT5 sy-vline 
WA_PS0903_STR-CUR_BS_AMT5 sy-vline 
WA_PS0903_STR-CUR_INT_PNT5 sy-vline 
WA_PS0903_STR-CUR_INT_AMT5 sy-vline 
WA_PS0903_STR-RET_BEN_RES_PNT5 sy-vline 
WA_PS0903_STR-RET_BEN_RES_AMT5 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_PNT5 sy-vline 
WA_PS0903_STR-IND_ACC_BAL_AMT5 sy-vline 
WA_PS0903_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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