ABAP Select data from SAP table SPPORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SPPORDER
*  INTO TABLE @DATA(IT_SPPORDER2).
*--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_SPPORDER INDEX 1 INTO DATA(WA_SPPORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SPPORDER>-DOC_NUMBER = 1.
<SPPORDER>-DOC_DATE = 1.
<SPPORDER>-ITM_NUMBER = 1.
<SPPORDER>-HG_LV_ITEM = 1.
<SPPORDER>-SCHED_LINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SPPORDER-MATERIAL, sy-vline,
  WA_SPPORDER-SHORT_TEXT, sy-vline,
  WA_SPPORDER-REQ_DATE, sy-vline,
  WA_SPPORDER-REQ_QTY, sy-vline,
  WA_SPPORDER-SALES_UNIT, sy-vline,
  WA_SPPORDER-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SPPORDER 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_SPPORDER 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_SPPORDER INTO WA_SPPORDER.


*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 DOC_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SPPORDER-DOC_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SPPORDER-DOC_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_SPPORDER-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SPPORDER-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SALES_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SPPORDER-SALES_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SPPORDER-SALES_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REF_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SPPORDER-REF_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SPPORDER-REF_DOC.
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_SPPORDER_STR, 
DOC_NUMBER TYPE STRING,
DOC_DATE TYPE STRING,
ITM_NUMBER TYPE STRING,
HG_LV_ITEM TYPE STRING,
SCHED_LINE TYPE STRING,
MATERIAL TYPE STRING,
SHORT_TEXT TYPE STRING,
REQ_DATE TYPE STRING,
REQ_QTY TYPE STRING,
SALES_UNIT TYPE STRING,
CURRENCY TYPE STRING,
NET_VALUE TYPE STRING,
NET_PRICE TYPE STRING,
DLV_DATE TYPE STRING,
CONFIRM_QTY TYPE STRING,
DELETE_IND TYPE STRING,
ATP_STATUS TYPE STRING,
REJ_REASON TYPE STRING,
ITEM_CATEG TYPE STRING,
REQDATE_FLAG TYPE STRING,
SERIALIZED TYPE STRING,
PLANT TYPE STRING,
REF_DOC TYPE STRING,
REF_DOC_IT TYPE STRING,
REF_DOC_CA TYPE STRING,
SL_NO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SPPORDER_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_SPPORDER_STR-DOC_NUMBER sy-vline 
WA_SPPORDER_STR-DOC_DATE sy-vline 
WA_SPPORDER_STR-ITM_NUMBER sy-vline 
WA_SPPORDER_STR-HG_LV_ITEM sy-vline 
WA_SPPORDER_STR-SCHED_LINE sy-vline 
WA_SPPORDER_STR-MATERIAL sy-vline 
WA_SPPORDER_STR-SHORT_TEXT sy-vline 
WA_SPPORDER_STR-REQ_DATE sy-vline 
WA_SPPORDER_STR-REQ_QTY sy-vline 
WA_SPPORDER_STR-SALES_UNIT sy-vline 
WA_SPPORDER_STR-CURRENCY sy-vline 
WA_SPPORDER_STR-NET_VALUE sy-vline 
WA_SPPORDER_STR-NET_PRICE sy-vline 
WA_SPPORDER_STR-DLV_DATE sy-vline 
WA_SPPORDER_STR-CONFIRM_QTY sy-vline 
WA_SPPORDER_STR-DELETE_IND sy-vline 
WA_SPPORDER_STR-ATP_STATUS sy-vline 
WA_SPPORDER_STR-REJ_REASON sy-vline 
WA_SPPORDER_STR-ITEM_CATEG sy-vline 
WA_SPPORDER_STR-REQDATE_FLAG sy-vline 
WA_SPPORDER_STR-SERIALIZED sy-vline 
WA_SPPORDER_STR-PLANT sy-vline 
WA_SPPORDER_STR-REF_DOC sy-vline 
WA_SPPORDER_STR-REF_DOC_IT sy-vline 
WA_SPPORDER_STR-REF_DOC_CA sy-vline 
WA_SPPORDER_STR-SL_NO sy-vline      INTO ld_text SEPARATED BY SPACE.

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