ABAP Select data from SAP table /SAPAPO/SA_SMSO1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/SA_SMSO1 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 /SAPAPO/SA_SMSO1. 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 /SAPAPO/SA_SMSO1 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_/SAPAPO/SA_SMSO1 TYPE STANDARD TABLE OF /SAPAPO/SA_SMSO1,
      WA_/SAPAPO/SA_SMSO1 TYPE /SAPAPO/SA_SMSO1,
      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: </SAPAPO/SA_SMSO1> TYPE /SAPAPO/SA_SMSO1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/SA_SMSO1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/SA_SMSO1
  INTO TABLE IT_/SAPAPO/SA_SMSO1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/SA_SMSO1
*  INTO TABLE @DATA(IT_/SAPAPO/SA_SMSO12).
*--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_/SAPAPO/SA_SMSO1 INDEX 1 INTO DATA(WA_/SAPAPO/SA_SMSO12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/SA_SMSO1 ASSIGNING </SAPAPO/SA_SMSO1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/SA_SMSO1>-MANDT = 1.
</SAPAPO/SA_SMSO1>-SO_GUID = 1.
</SAPAPO/SA_SMSO1>-SO_ITEM_GUID = 1.
</SAPAPO/SA_SMSO1>-ORDNO = 1.
</SAPAPO/SA_SMSO1>-ITMNO = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/SA_SMSO1 INTO WA_/SAPAPO/SA_SMSO1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/SA_SMSO1-ORDER_QTY, sy-vline,
  WA_/SAPAPO/SA_SMSO1-OPEN_ORDER_QTY, sy-vline,
  WA_/SAPAPO/SA_SMSO1-OPEN_ATP_QTY, sy-vline,
  WA_/SAPAPO/SA_SMSO1-BACKORDER_QTY, sy-vline,
  WA_/SAPAPO/SA_SMSO1-UNIT, sy-vline,
  WA_/SAPAPO/SA_SMSO1-PKUNWE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/SA_SMSO1 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_/SAPAPO/SA_SMSO1 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_/SAPAPO/SA_SMSO1 INTO WA_/SAPAPO/SA_SMSO1.


*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 SOCNV, internal->external for field ORDNO
CALL FUNCTION 'CONVERSION_EXIT_SOCNV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-ORDNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-ORDNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SITCV, internal->external for field ITMNO
CALL FUNCTION 'CONVERSION_EXIT_SITCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-ITMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-ITMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit POCNV, internal->external for field POORDNO
CALL FUNCTION 'CONVERSION_EXIT_POCNV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-POORDNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-POORDNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PITCV, internal->external for field POITMNO
CALL FUNCTION 'CONVERSION_EXIT_PITCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-POITMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-POITMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DLVCV, internal->external for field DLVID
CALL FUNCTION 'CONVERSION_EXIT_DLVCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/SA_SMSO1-DLVID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/SA_SMSO1-DLVID.
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_/SAPAPO/SA_SMSO1_STR, 
MANDT TYPE STRING,
SO_GUID TYPE STRING,
SO_ITEM_GUID TYPE STRING,
ORDNO TYPE STRING,
ITMNO TYPE STRING,
ORDER_QTY TYPE STRING,
OPEN_ORDER_QTY TYPE STRING,
OPEN_ATP_QTY TYPE STRING,
BACKORDER_QTY TYPE STRING,
UNIT TYPE STRING,
PKUNWE TYPE STRING,
CICTXT TYPE STRING,
TPDSTYPE TYPE STRING,
POORDNO TYPE STRING,
POITMNO TYPE STRING,
TPOP_CHANGE TYPE STRING,
VIN TYPE STRING,
PRIORITY TYPE STRING,
ORDER_TYPE TYPE STRING,
ITEM_TYPE TYPE STRING,
PLANNER TYPE STRING,
FDO TYPE STRING,
WRTORDER TYPE STRING,
RSHORDER TYPE STRING,
COMFRZ TYPE STRING,
DLVID TYPE STRING,
CONFMULTI TYPE STRING,
NOTECODESO TYPE STRING,
MATID TYPE STRING,
LOCIDFR TYPE STRING,
ORDER_DATE_TS TYPE STRING,
REQ_SHIP_DATE_TS TYPE STRING,
FIRST_MBDAT_TS TYPE STRING,
PRIMESUPPLIER TYPE STRING,
CONF_SHIPDATE_TS TYPE STRING,
CONF_DLVDATE_TS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/SA_SMSO1_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_/SAPAPO/SA_SMSO1_STR-MANDT sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-SO_GUID sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-SO_ITEM_GUID sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ORDNO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ITMNO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ORDER_QTY sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-OPEN_ORDER_QTY sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-OPEN_ATP_QTY sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-BACKORDER_QTY sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-UNIT sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-PKUNWE sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-CICTXT sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-TPDSTYPE sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-POORDNO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-POITMNO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-TPOP_CHANGE sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-VIN sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-PRIORITY sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ORDER_TYPE sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ITEM_TYPE sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-PLANNER sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-FDO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-WRTORDER sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-RSHORDER sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-COMFRZ sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-DLVID sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-CONFMULTI sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-NOTECODESO sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-MATID sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-LOCIDFR sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-ORDER_DATE_TS sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-REQ_SHIP_DATE_TS sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-FIRST_MBDAT_TS sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-PRIMESUPPLIER sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-CONF_SHIPDATE_TS sy-vline 
WA_/SAPAPO/SA_SMSO1_STR-CONF_DLVDATE_TS sy-vline      INTO ld_text SEPARATED BY SPACE.

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