ABAP Select data from SAP table PS0436 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS0436 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 PS0436. 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 PS0436 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_PS0436 TYPE STANDARD TABLE OF PS0436,
      WA_PS0436 TYPE PS0436,
      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: <PS0436> TYPE PS0436.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS0436.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS0436
  INTO TABLE IT_PS0436.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS0436
*  INTO TABLE @DATA(IT_PS04362).
*--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_PS0436 INDEX 1 INTO DATA(WA_PS04362).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS0436 ASSIGNING <PS0436>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS0436>-ITCI1 = 1.
<PS0436>-ITHT1 = 1.
<PS0436>-ITIQ1 = 1.
<PS0436>-ITTT1 = 1.
<PS0436>-ITRF1 = 1.

ENDLOOP.

LOOP AT IT_PS0436 INTO WA_PS0436.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS0436-ITCI2, sy-vline,
  WA_PS0436-ITHT2, sy-vline,
  WA_PS0436-ITIQ2, sy-vline,
  WA_PS0436-ITTT2, sy-vline,
  WA_PS0436-ITRF2, sy-vline,
  WA_PS0436-ITCI3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS0436 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_PS0436 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_PS0436 INTO WA_PS0436.


*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_PS0436_STR, 
ITCI1 TYPE STRING,
ITHT1 TYPE STRING,
ITIQ1 TYPE STRING,
ITTT1 TYPE STRING,
ITRF1 TYPE STRING,
ITCI2 TYPE STRING,
ITHT2 TYPE STRING,
ITIQ2 TYPE STRING,
ITTT2 TYPE STRING,
ITRF2 TYPE STRING,
ITCI3 TYPE STRING,
ITHT3 TYPE STRING,
ITIQ3 TYPE STRING,
ITTT3 TYPE STRING,
ITRF3 TYPE STRING,
ITCI4 TYPE STRING,
ITHT4 TYPE STRING,
ITIQ4 TYPE STRING,
ITTT4 TYPE STRING,
ITRF4 TYPE STRING,
ITCI5 TYPE STRING,
ITHT5 TYPE STRING,
ITIQ5 TYPE STRING,
ITTT5 TYPE STRING,
ITRF5 TYPE STRING,
ITCI6 TYPE STRING,
ITHT6 TYPE STRING,
ITIQ6 TYPE STRING,
ITTT6 TYPE STRING,
ITRF6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS0436_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_PS0436_STR-ITCI1 sy-vline 
WA_PS0436_STR-ITHT1 sy-vline 
WA_PS0436_STR-ITIQ1 sy-vline 
WA_PS0436_STR-ITTT1 sy-vline 
WA_PS0436_STR-ITRF1 sy-vline 
WA_PS0436_STR-ITCI2 sy-vline 
WA_PS0436_STR-ITHT2 sy-vline 
WA_PS0436_STR-ITIQ2 sy-vline 
WA_PS0436_STR-ITTT2 sy-vline 
WA_PS0436_STR-ITRF2 sy-vline 
WA_PS0436_STR-ITCI3 sy-vline 
WA_PS0436_STR-ITHT3 sy-vline 
WA_PS0436_STR-ITIQ3 sy-vline 
WA_PS0436_STR-ITTT3 sy-vline 
WA_PS0436_STR-ITRF3 sy-vline 
WA_PS0436_STR-ITCI4 sy-vline 
WA_PS0436_STR-ITHT4 sy-vline 
WA_PS0436_STR-ITIQ4 sy-vline 
WA_PS0436_STR-ITTT4 sy-vline 
WA_PS0436_STR-ITRF4 sy-vline 
WA_PS0436_STR-ITCI5 sy-vline 
WA_PS0436_STR-ITHT5 sy-vline 
WA_PS0436_STR-ITIQ5 sy-vline 
WA_PS0436_STR-ITTT5 sy-vline 
WA_PS0436_STR-ITRF5 sy-vline 
WA_PS0436_STR-ITCI6 sy-vline 
WA_PS0436_STR-ITHT6 sy-vline 
WA_PS0436_STR-ITIQ6 sy-vline 
WA_PS0436_STR-ITTT6 sy-vline 
WA_PS0436_STR-ITRF6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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