ABAP Select data from SAP table /GBTINT/S_PORD_HDR_RFC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /GBTINT/S_PORD_HDR_RFC 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 /GBTINT/S_PORD_HDR_RFC. 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 /GBTINT/S_PORD_HDR_RFC 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_/GBTINT/S_PORD_HDR_RFC TYPE STANDARD TABLE OF /GBTINT/S_PORD_HDR_RFC,
      WA_/GBTINT/S_PORD_HDR_RFC TYPE /GBTINT/S_PORD_HDR_RFC,
      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: </GBTINT/S_PORD_HDR_RFC> TYPE /GBTINT/S_PORD_HDR_RFC.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /GBTINT/S_PORD_HDR_RFC
  INTO TABLE IT_/GBTINT/S_PORD_HDR_RFC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /GBTINT/S_PORD_HDR_RFC
*  INTO TABLE @DATA(IT_/GBTINT/S_PORD_HDR_RFC2).
*--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_/GBTINT/S_PORD_HDR_RFC INDEX 1 INTO DATA(WA_/GBTINT/S_PORD_HDR_RFC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/GBTINT/S_PORD_HDR_RFC ASSIGNING </GBTINT/S_PORD_HDR_RFC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</GBTINT/S_PORD_HDR_RFC>-AUFNR = 1.
</GBTINT/S_PORD_HDR_RFC>-CRYEAR = 1.
</GBTINT/S_PORD_HDR_RFC>-ERNAM = 1.
</GBTINT/S_PORD_HDR_RFC>-ERDAT = 1.
</GBTINT/S_PORD_HDR_RFC>-ERFZEIT = 1.

ENDLOOP.

LOOP AT IT_/GBTINT/S_PORD_HDR_RFC INTO WA_/GBTINT/S_PORD_HDR_RFC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/GBTINT/S_PORD_HDR_RFC-AENAM, sy-vline,
  WA_/GBTINT/S_PORD_HDR_RFC-AEDAT, sy-vline,
  WA_/GBTINT/S_PORD_HDR_RFC-AEZEIT, sy-vline,
  WA_/GBTINT/S_PORD_HDR_RFC-WERKS, sy-vline,
  WA_/GBTINT/S_PORD_HDR_RFC-PLNBEZ, sy-vline,
  WA_/GBTINT/S_PORD_HDR_RFC-AUTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/GBTINT/S_PORD_HDR_RFC 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_/GBTINT/S_PORD_HDR_RFC 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_/GBTINT/S_PORD_HDR_RFC INTO WA_/GBTINT/S_PORD_HDR_RFC.


*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_/GBTINT/S_PORD_HDR_RFC_STR, 
AUFNR TYPE STRING,
CRYEAR TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
ERFZEIT TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
AEZEIT TYPE STRING,
WERKS TYPE STRING,
PLNBEZ TYPE STRING,
AUTYP TYPE STRING,
AUART TYPE STRING,
DISPO TYPE STRING,
FEVOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/GBTINT/S_PORD_HDR_RFC_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_/GBTINT/S_PORD_HDR_RFC_STR-AUFNR sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-CRYEAR sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-ERNAM sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-ERDAT sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-ERFZEIT sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-AENAM sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-AEDAT sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-AEZEIT sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-WERKS sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-PLNBEZ sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-AUTYP sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-AUART sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-DISPO sy-vline 
WA_/GBTINT/S_PORD_HDR_RFC_STR-FEVOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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