ABAP Select data from SAP table PS0426 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0426 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 PS0426. 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 PS0426 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_PS0426 TYPE STANDARD TABLE OF PS0426,
      WA_PS0426 TYPE PS0426,
      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: <PS0426> TYPE PS0426.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0426.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0426
  INTO TABLE IT_PS0426.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0426
*  INTO TABLE @DATA(IT_PS04262).
*--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_PS0426 INDEX 1 INTO DATA(WA_PS04262).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0426 ASSIGNING <PS0426>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0426>-IONUM = 1.
<PS0426>-JURIS = 1.
<PS0426>-GCATE = 1.
<PS0426>-IOPRI = 1.
<PS0426>-AGCOD = 1.

ENDLOOP.

LOOP AT IT_PS0426 INTO WA_PS0426.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0426-GFCOD, sy-vline,
  WA_PS0426-IOCN1, sy-vline,
  WA_PS0426-IOSTS, sy-vline,
  WA_PS0426-IORCD, sy-vline,
  WA_PS0426-IORLD, sy-vline,
  WA_PS0426-EMFTX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0426 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_PS0426 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_PS0426 INTO WA_PS0426.


*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_PS0426_STR, 
IONUM TYPE STRING,
JURIS TYPE STRING,
GCATE TYPE STRING,
IOPRI TYPE STRING,
AGCOD TYPE STRING,
GFCOD TYPE STRING,
IOCN1 TYPE STRING,
IOSTS TYPE STRING,
IORCD TYPE STRING,
IORLD TYPE STRING,
EMFTX TYPE STRING,
STRAS TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
PSTLZ TYPE STRING,
ESTAD TYPE STRING,
LAND1 TYPE STRING,
MUNIC TYPE STRING,
TELNR TYPE STRING,
IOPLN TYPE STRING,
ZLSCH TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
BKREF TYPE STRING,
IBAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0426_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_PS0426_STR-IONUM sy-vline 
WA_PS0426_STR-JURIS sy-vline 
WA_PS0426_STR-GCATE sy-vline 
WA_PS0426_STR-IOPRI sy-vline 
WA_PS0426_STR-AGCOD sy-vline 
WA_PS0426_STR-GFCOD sy-vline 
WA_PS0426_STR-IOCN1 sy-vline 
WA_PS0426_STR-IOSTS sy-vline 
WA_PS0426_STR-IORCD sy-vline 
WA_PS0426_STR-IORLD sy-vline 
WA_PS0426_STR-EMFTX sy-vline 
WA_PS0426_STR-STRAS sy-vline 
WA_PS0426_STR-ORT01 sy-vline 
WA_PS0426_STR-ORT02 sy-vline 
WA_PS0426_STR-PSTLZ sy-vline 
WA_PS0426_STR-ESTAD sy-vline 
WA_PS0426_STR-LAND1 sy-vline 
WA_PS0426_STR-MUNIC sy-vline 
WA_PS0426_STR-TELNR sy-vline 
WA_PS0426_STR-IOPLN sy-vline 
WA_PS0426_STR-ZLSCH sy-vline 
WA_PS0426_STR-BANKS sy-vline 
WA_PS0426_STR-BANKL sy-vline 
WA_PS0426_STR-BANKN sy-vline 
WA_PS0426_STR-BKONT sy-vline 
WA_PS0426_STR-BKREF sy-vline 
WA_PS0426_STR-IBAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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