ABAP Select data from SAP table PU12_INTERFACE_RESULTS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PU12_INTERFACE_RESULTS 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 PU12_INTERFACE_RESULTS. 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 PU12_INTERFACE_RESULTS 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_PU12_INTERFACE_RESULTS TYPE STANDARD TABLE OF PU12_INTERFACE_RESULTS,
      WA_PU12_INTERFACE_RESULTS TYPE PU12_INTERFACE_RESULTS,
      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: <PU12_INTERFACE_RESULTS> TYPE PU12_INTERFACE_RESULTS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PU12_INTERFACE_RESULTS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PU12_INTERFACE_RESULTS
  INTO TABLE IT_PU12_INTERFACE_RESULTS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PU12_INTERFACE_RESULTS
*  INTO TABLE @DATA(IT_PU12_INTERFACE_RESULTS2).
*--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_PU12_INTERFACE_RESULTS INDEX 1 INTO DATA(WA_PU12_INTERFACE_RESULTS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PU12_INTERFACE_RESULTS ASSIGNING <PU12_INTERFACE_RESULTS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PU12_INTERFACE_RESULTS>-SEQNR = 1.
<PU12_INTERFACE_RESULTS>-FRPER = 1.
<PU12_INTERFACE_RESULTS>-FRBEG = 1.
<PU12_INTERFACE_RESULTS>-FREND = 1.
<PU12_INTERFACE_RESULTS>-INPER = 1.

ENDLOOP.

LOOP AT IT_PU12_INTERFACE_RESULTS INTO WA_PU12_INTERFACE_RESULTS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PU12_INTERFACE_RESULTS-INBEG, sy-vline,
  WA_PU12_INTERFACE_RESULTS-INEND, sy-vline,
  WA_PU12_INTERFACE_RESULTS-FLDID, sy-vline,
  WA_PU12_INTERFACE_RESULTS-STATU, sy-vline,
  WA_PU12_INTERFACE_RESULTS-RUNDT, sy-vline,
  WA_PU12_INTERFACE_RESULTS-RUNTM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PU12_INTERFACE_RESULTS 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_PU12_INTERFACE_RESULTS 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_PU12_INTERFACE_RESULTS INTO WA_PU12_INTERFACE_RESULTS.


*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_PU12_INTERFACE_RESULTS_STR, 
SEQNR TYPE STRING,
FRPER TYPE STRING,
FRBEG TYPE STRING,
FREND TYPE STRING,
INPER TYPE STRING,
INBEG TYPE STRING,
INEND TYPE STRING,
FLDID TYPE STRING,
STATU TYPE STRING,
RUNDT TYPE STRING,
RUNTM TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
PAYDT TYPE STRING,
INPTY TYPE STRING,
INPID TYPE STRING,
JUPER TYPE STRING,
ABKRS TYPE STRING,
IABKRS TYPE STRING,
PERMO TYPE STRING,
IPERM TYPE STRING,
BONDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PU12_INTERFACE_RESULTS_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_PU12_INTERFACE_RESULTS_STR-SEQNR sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-FRPER sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-FRBEG sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-FREND sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-INPER sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-INBEG sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-INEND sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-FLDID sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-STATU sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-RUNDT sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-RUNTM sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-PAYTY sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-PAYID sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-PAYDT sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-INPTY sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-INPID sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-JUPER sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-ABKRS sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-IABKRS sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-PERMO sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-IPERM sy-vline 
WA_PU12_INTERFACE_RESULTS_STR-BONDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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