ABAP Select data from SAP table IATPRESULTHEADER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IATPRESULTHEADER
*  INTO TABLE @DATA(IT_IATPRESULTHEADER2).
*--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_IATPRESULTHEADER INDEX 1 INTO DATA(WA_IATPRESULTHEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IATPRESULTHEADER>-MANDT = 1.
<IATPRESULTHEADER>-ATPCHECKUUID = 1.
<IATPRESULTHEADER>-TRANSACTIONCODE = 1.
<IATPRESULTHEADER>-ABOPVARIANTUUID = 1.
<IATPRESULTHEADER>-ABOPVARIANTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IATPRESULTHEADER-STARTEDBYUSER, sy-vline,
  WA_IATPRESULTHEADER-ATPCHECKSTARTUTCDATETIME, sy-vline,
  WA_IATPRESULTHEADER-ATPCHECKENDUTCDATETIME, sy-vline,
  WA_IATPRESULTHEADER-ATPCHECKSTATUS, sy-vline,
  WA_IATPRESULTHEADER-PARENTATPCHECKUUID, sy-vline,
  WA_IATPRESULTHEADER-ABOPMASTERVARIANTUUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IATPRESULTHEADER 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_IATPRESULTHEADER 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_IATPRESULTHEADER INTO WA_IATPRESULTHEADER.


*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_IATPRESULTHEADER_STR, 
MANDT TYPE STRING,
ATPCHECKUUID TYPE STRING,
TRANSACTIONCODE TYPE STRING,
ABOPVARIANTUUID TYPE STRING,
ABOPVARIANTNAME TYPE STRING,
STARTEDBYUSER TYPE STRING,
ATPCHECKSTARTUTCDATETIME TYPE STRING,
ATPCHECKENDUTCDATETIME TYPE STRING,
ATPCHECKSTATUS TYPE STRING,
PARENTATPCHECKUUID TYPE STRING,
ABOPMASTERVARIANTUUID TYPE STRING,
ABOPEXECUTIONMODE TYPE STRING,
APPLICATIONLOGHANDLE TYPE STRING,
ATPCHECKSUMMARYUUID TYPE STRING,
ATPCHECKEXECUTIONORDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IATPRESULTHEADER_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_IATPRESULTHEADER_STR-MANDT sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKUUID sy-vline 
WA_IATPRESULTHEADER_STR-TRANSACTIONCODE sy-vline 
WA_IATPRESULTHEADER_STR-ABOPVARIANTUUID sy-vline 
WA_IATPRESULTHEADER_STR-ABOPVARIANTNAME sy-vline 
WA_IATPRESULTHEADER_STR-STARTEDBYUSER sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKSTARTUTCDATETIME sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKENDUTCDATETIME sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKSTATUS sy-vline 
WA_IATPRESULTHEADER_STR-PARENTATPCHECKUUID sy-vline 
WA_IATPRESULTHEADER_STR-ABOPMASTERVARIANTUUID sy-vline 
WA_IATPRESULTHEADER_STR-ABOPEXECUTIONMODE sy-vline 
WA_IATPRESULTHEADER_STR-APPLICATIONLOGHANDLE sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKSUMMARYUUID sy-vline 
WA_IATPRESULTHEADER_STR-ATPCHECKEXECUTIONORDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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