ABAP Select data from SAP table /SAPCE/IUUA_SPOS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/IUUA_SPOS
*  INTO TABLE @DATA(IT_/SAPCE/IUUA_SPOS2).
*--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_/SAPCE/IUUA_SPOS INDEX 1 INTO DATA(WA_/SAPCE/IUUA_SPOS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/IUUA_SPOS>-MANDT = 1.
</SAPCE/IUUA_SPOS>-OPBEL = 1.
</SAPCE/IUUA_SPOS>-SUB_ITEM = 1.
</SAPCE/IUUA_SPOS>-PRINTDOC = 1.
</SAPCE/IUUA_SPOS>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/IUUA_SPOS-GSBER, sy-vline,
  WA_/SAPCE/IUUA_SPOS-VERTRAG, sy-vline,
  WA_/SAPCE/IUUA_SPOS-DEPARTMENT, sy-vline,
  WA_/SAPCE/IUUA_SPOS-AB, sy-vline,
  WA_/SAPCE/IUUA_SPOS-BIS, sy-vline,
  WA_/SAPCE/IUUA_SPOS-MENGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/IUUA_SPOS 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_/SAPCE/IUUA_SPOS 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_/SAPCE/IUUA_SPOS INTO WA_/SAPCE/IUUA_SPOS.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/IUUA_SPOS-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/IUUA_SPOS-OPBEL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/IUUA_SPOS-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/IUUA_SPOS-MEINS.
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_/SAPCE/IUUA_SPOS_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
SUB_ITEM TYPE STRING,
PRINTDOC TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
VERTRAG TYPE STRING,
DEPARTMENT TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
MENGE TYPE STRING,
CONSUMPTION_AMT TYPE STRING,
MEINS TYPE STRING,
PRICE TYPE STRING,
SUBSIDY TYPE STRING,
COMPULSORY_PAY TYPE STRING,
WAERS TYPE STRING,
BUDAT TYPE STRING,
STATUS TYPE STRING,
MWSKZ TYPE STRING,
STOKZ TYPE STRING,
STORNODAT TYPE STRING,
BACKDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/IUUA_SPOS_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_/SAPCE/IUUA_SPOS_STR-MANDT sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-OPBEL sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-SUB_ITEM sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-PRINTDOC sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-BUKRS sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-GSBER sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-VERTRAG sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-DEPARTMENT sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-AB sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-BIS sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-MENGE sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-CONSUMPTION_AMT sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-MEINS sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-PRICE sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-SUBSIDY sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-COMPULSORY_PAY sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-WAERS sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-BUDAT sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-STATUS sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-MWSKZ sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-STOKZ sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-STORNODAT sy-vline 
WA_/SAPCE/IUUA_SPOS_STR-BACKDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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