ABAP Select data from SAP table SDF_IMA_IDOC_HEADER_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDF_IMA_IDOC_HEADER_S
*  INTO TABLE @DATA(IT_SDF_IMA_IDOC_HEADER_S2).
*--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_SDF_IMA_IDOC_HEADER_S INDEX 1 INTO DATA(WA_SDF_IMA_IDOC_HEADER_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDF_IMA_IDOC_HEADER_S>-SMANDT = 1.
<SDF_IMA_IDOC_HEADER_S>-DOCNUM = 1.
<SDF_IMA_IDOC_HEADER_S>-STATUS = 1.
<SDF_IMA_IDOC_HEADER_S>-DIRECT = 1.
<SDF_IMA_IDOC_HEADER_S>-RCVPOR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDF_IMA_IDOC_HEADER_S-RCVPRT, sy-vline,
  WA_SDF_IMA_IDOC_HEADER_S-RCVPRN, sy-vline,
  WA_SDF_IMA_IDOC_HEADER_S-RCVSAD, sy-vline,
  WA_SDF_IMA_IDOC_HEADER_S-RCVPFC, sy-vline,
  WA_SDF_IMA_IDOC_HEADER_S-SNDPOR, sy-vline,
  WA_SDF_IMA_IDOC_HEADER_S-SNDPRT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDF_IMA_IDOC_HEADER_S 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_SDF_IMA_IDOC_HEADER_S 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_SDF_IMA_IDOC_HEADER_S INTO WA_SDF_IMA_IDOC_HEADER_S.


*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.

*Conversion exit ALPHA, internal->external for field RCVPRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDF_IMA_IDOC_HEADER_S-RCVPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDF_IMA_IDOC_HEADER_S-RCVPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field RCVPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_SDF_IMA_IDOC_HEADER_S-RCVPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDF_IMA_IDOC_HEADER_S-RCVPFC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SNDPRN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDF_IMA_IDOC_HEADER_S-SNDPRN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDF_IMA_IDOC_HEADER_S-SNDPRN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field SNDPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_SDF_IMA_IDOC_HEADER_S-SNDPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDF_IMA_IDOC_HEADER_S-SNDPFC.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_SDF_IMA_IDOC_HEADER_S_STR, 
SMANDT TYPE STRING,
DOCNUM TYPE STRING,
STATUS TYPE STRING,
DIRECT TYPE STRING,
RCVPOR TYPE STRING,
RCVPRT TYPE STRING,
RCVPRN TYPE STRING,
RCVSAD TYPE STRING,
RCVPFC TYPE STRING,
SNDPOR TYPE STRING,
SNDPRT TYPE STRING,
SNDPRN TYPE STRING,
SNDSAD TYPE STRING,
SNDPFC TYPE STRING,
MESTYP TYPE STRING,
IDOCTP TYPE STRING,
MESCOD TYPE STRING,
MESFCT TYPE STRING,
CREDAT TYPE STRING,
CRETIM TYPE STRING,
UPDDAT TYPE STRING,
UPDTIM TYPE STRING,
MAXSEGNUM TYPE STRING,
STATUS_GROUP TYPE STRING,
ARCKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDF_IMA_IDOC_HEADER_S_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_SDF_IMA_IDOC_HEADER_S_STR-SMANDT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-DOCNUM sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-STATUS sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-DIRECT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-RCVPOR sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-RCVPRT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-RCVPRN sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-RCVSAD sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-RCVPFC sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-SNDPOR sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-SNDPRT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-SNDPRN sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-SNDSAD sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-SNDPFC sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-MESTYP sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-IDOCTP sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-MESCOD sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-MESFCT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-CREDAT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-CRETIM sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-UPDDAT sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-UPDTIM sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-MAXSEGNUM sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-STATUS_GROUP sy-vline 
WA_SDF_IMA_IDOC_HEADER_S_STR-ARCKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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