ABAP Select data from SAP table P15_UE_SI_A_UI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P15_UE_SI_A_UI 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 P15_UE_SI_A_UI. 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 P15_UE_SI_A_UI 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_P15_UE_SI_A_UI TYPE STANDARD TABLE OF P15_UE_SI_A_UI,
      WA_P15_UE_SI_A_UI TYPE P15_UE_SI_A_UI,
      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: <P15_UE_SI_A_UI> TYPE P15_UE_SI_A_UI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P15_UE_SI_A_UI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P15_UE_SI_A_UI
  INTO TABLE IT_P15_UE_SI_A_UI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P15_UE_SI_A_UI
*  INTO TABLE @DATA(IT_P15_UE_SI_A_UI2).
*--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_P15_UE_SI_A_UI INDEX 1 INTO DATA(WA_P15_UE_SI_A_UI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P15_UE_SI_A_UI ASSIGNING <P15_UE_SI_A_UI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P15_UE_SI_A_UI>-QUTYP = 1.
<P15_UE_SI_A_UI>-BUKRS = 1.
<P15_UE_SI_A_UI>-INPSC = 1.
<P15_UE_SI_A_UI>-CDESP = 1.
<P15_UE_SI_A_UI>-DESCR = 1.

ENDLOOP.

LOOP AT IT_P15_UE_SI_A_UI INTO WA_P15_UE_SI_A_UI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P15_UE_SI_A_UI-NUMEE, sy-vline,
  WA_P15_UE_SI_A_UI-NUM, sy-vline,
  WA_P15_UE_SI_A_UI-IMPONIB, sy-vline,
  WA_P15_UE_SI_A_UI-AMOUNT, sy-vline,
  WA_P15_UE_SI_A_UI-AMTROUND, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_P15_UE_SI_A_UI 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_P15_UE_SI_A_UI 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_P15_UE_SI_A_UI INTO WA_P15_UE_SI_A_UI.


*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_P15_UE_SI_A_UI_STR, 
QUTYP TYPE STRING,
BUKRS TYPE STRING,
INPSC TYPE STRING,
CDESP TYPE STRING,
DESCR TYPE STRING,
NUMEE TYPE STRING,
NUM TYPE STRING,
IMPONIB TYPE STRING,
AMOUNT TYPE STRING,
AMTROUND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P15_UE_SI_A_UI_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_P15_UE_SI_A_UI_STR-QUTYP sy-vline 
WA_P15_UE_SI_A_UI_STR-BUKRS sy-vline 
WA_P15_UE_SI_A_UI_STR-INPSC sy-vline 
WA_P15_UE_SI_A_UI_STR-CDESP sy-vline 
WA_P15_UE_SI_A_UI_STR-DESCR sy-vline 
WA_P15_UE_SI_A_UI_STR-NUMEE sy-vline 
WA_P15_UE_SI_A_UI_STR-NUM sy-vline 
WA_P15_UE_SI_A_UI_STR-IMPONIB sy-vline 
WA_P15_UE_SI_A_UI_STR-AMOUNT sy-vline 
WA_P15_UE_SI_A_UI_STR-AMTROUND sy-vline      INTO ld_text SEPARATED BY SPACE.

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