ABAP Select data from SAP table SEPMRAOVWPOICUB2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SEPMRAOVWPOICUB2 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 SEPMRAOVWPOICUB2. 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 SEPMRAOVWPOICUB2 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_SEPMRAOVWPOICUB2 TYPE STANDARD TABLE OF SEPMRAOVWPOICUB2,
      WA_SEPMRAOVWPOICUB2 TYPE SEPMRAOVWPOICUB2,
      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: <SEPMRAOVWPOICUB2> TYPE SEPMRAOVWPOICUB2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SEPMRAOVWPOICUB2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SEPMRAOVWPOICUB2
  INTO TABLE IT_SEPMRAOVWPOICUB2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SEPMRAOVWPOICUB2
*  INTO TABLE @DATA(IT_SEPMRAOVWPOICUB22).
*--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_SEPMRAOVWPOICUB2 INDEX 1 INTO DATA(WA_SEPMRAOVWPOICUB22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SEPMRAOVWPOICUB2 ASSIGNING <SEPMRAOVWPOICUB2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SEPMRAOVWPOICUB2>-MANDT = 1.
<SEPMRAOVWPOICUB2>-PURCHASEORDER = 1.
<SEPMRAOVWPOICUB2>-PURCHASEORDERITEM = 1.
<SEPMRAOVWPOICUB2>-CREATIONCALENDARYEARMONTH = 1.
<SEPMRAOVWPOICUB2>-CREATIONCALENDARYEARMONTHT = 1.

ENDLOOP.

LOOP AT IT_SEPMRAOVWPOICUB2 INTO WA_SEPMRAOVWPOICUB2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SEPMRAOVWPOICUB2-NETAMOUNT, sy-vline,
  WA_SEPMRAOVWPOICUB2-CURRENCY, sy-vline,
  WA_SEPMRAOVWPOICUB2-CURRENCYT, sy-vline,
  WA_SEPMRAOVWPOICUB2-SUPPLIER, sy-vline,
  WA_SEPMRAOVWPOICUB2-PURCHASEORDEROVERALLSTATUS, sy-vline,
  WA_SEPMRAOVWPOICUB2-PURCHASEORDERAGEINMONTHS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SEPMRAOVWPOICUB2 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_SEPMRAOVWPOICUB2 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_SEPMRAOVWPOICUB2 INTO WA_SEPMRAOVWPOICUB2.


*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 PURCHASEORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SEPMRAOVWPOICUB2-PURCHASEORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SEPMRAOVWPOICUB2-PURCHASEORDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASEORDERITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SEPMRAOVWPOICUB2-PURCHASEORDERITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SEPMRAOVWPOICUB2-PURCHASEORDERITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SEPMRAOVWPOICUB2-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SEPMRAOVWPOICUB2-SUPPLIER.
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_SEPMRAOVWPOICUB2_STR, 
MANDT TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
CREATIONCALENDARYEARMONTH TYPE STRING,
CREATIONCALENDARYEARMONTHT TYPE STRING,
NETAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
CURRENCYT TYPE STRING,
SUPPLIER TYPE STRING,
PURCHASEORDEROVERALLSTATUS TYPE STRING,
PURCHASEORDERAGEINMONTHS TYPE STRING,
REFERENCEAMOUNT TYPE STRING,
TOLERANCERANGEHIGHVALUE TYPE STRING,
DEVIATIONRANGEHIGHVALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SEPMRAOVWPOICUB2_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_SEPMRAOVWPOICUB2_STR-MANDT sy-vline 
WA_SEPMRAOVWPOICUB2_STR-PURCHASEORDER sy-vline 
WA_SEPMRAOVWPOICUB2_STR-PURCHASEORDERITEM sy-vline 
WA_SEPMRAOVWPOICUB2_STR-CREATIONCALENDARYEARMONTH sy-vline 
WA_SEPMRAOVWPOICUB2_STR-CREATIONCALENDARYEARMONTHT sy-vline 
WA_SEPMRAOVWPOICUB2_STR-NETAMOUNT sy-vline 
WA_SEPMRAOVWPOICUB2_STR-CURRENCY sy-vline 
WA_SEPMRAOVWPOICUB2_STR-CURRENCYT sy-vline 
WA_SEPMRAOVWPOICUB2_STR-SUPPLIER sy-vline 
WA_SEPMRAOVWPOICUB2_STR-PURCHASEORDEROVERALLSTATUS sy-vline 
WA_SEPMRAOVWPOICUB2_STR-PURCHASEORDERAGEINMONTHS sy-vline 
WA_SEPMRAOVWPOICUB2_STR-REFERENCEAMOUNT sy-vline 
WA_SEPMRAOVWPOICUB2_STR-TOLERANCERANGEHIGHVALUE sy-vline 
WA_SEPMRAOVWPOICUB2_STR-DEVIATIONRANGEHIGHVALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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