ABAP Select data from SAP table WSII_SHDOC_RI_SC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSII_SHDOC_RI_SC
*  INTO TABLE @DATA(IT_WSII_SHDOC_RI_SC2).
*--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_WSII_SHDOC_RI_SC INDEX 1 INTO DATA(WA_WSII_SHDOC_RI_SC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSII_SHDOC_RI_SC>-INV_DOC_NO = 1.
<WSII_SHDOC_RI_SC>-FISC_YEAR = 1.
<WSII_SHDOC_RI_SC>-GL_ACCOUNT_ITEM = 1.
<WSII_SHDOC_RI_SC>-INV_DOC_ITEM = 1.
<WSII_SHDOC_RI_SC>-MAT_KEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSII_SHDOC_RI_SC-MATID, sy-vline,
  WA_WSII_SHDOC_RI_SC-SHORT_TEXT, sy-vline,
  WA_WSII_SHDOC_RI_SC-QUANTITY, sy-vline,
  WA_WSII_SHDOC_RI_SC-PO_UNIT, sy-vline,
  WA_WSII_SHDOC_RI_SC-ITEM_AMOUNT, sy-vline,
  WA_WSII_SHDOC_RI_SC-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSII_SHDOC_RI_SC 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_WSII_SHDOC_RI_SC 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_WSII_SHDOC_RI_SC INTO WA_WSII_SHDOC_RI_SC.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_WSII_SHDOC_RI_SC_STR, 
INV_DOC_NO TYPE STRING,
FISC_YEAR TYPE STRING,
GL_ACCOUNT_ITEM TYPE STRING,
INV_DOC_ITEM TYPE STRING,
MAT_KEY TYPE STRING,
MATID TYPE STRING,
SHORT_TEXT TYPE STRING,
QUANTITY TYPE STRING,
PO_UNIT TYPE STRING,
ITEM_AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
DB_CR_IND TYPE STRING,
GL_ACCOUNT TYPE STRING,
GL_ACCOUNT_D TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSII_SHDOC_RI_SC_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_WSII_SHDOC_RI_SC_STR-INV_DOC_NO sy-vline 
WA_WSII_SHDOC_RI_SC_STR-FISC_YEAR sy-vline 
WA_WSII_SHDOC_RI_SC_STR-GL_ACCOUNT_ITEM sy-vline 
WA_WSII_SHDOC_RI_SC_STR-INV_DOC_ITEM sy-vline 
WA_WSII_SHDOC_RI_SC_STR-MAT_KEY sy-vline 
WA_WSII_SHDOC_RI_SC_STR-MATID sy-vline 
WA_WSII_SHDOC_RI_SC_STR-SHORT_TEXT sy-vline 
WA_WSII_SHDOC_RI_SC_STR-QUANTITY sy-vline 
WA_WSII_SHDOC_RI_SC_STR-PO_UNIT sy-vline 
WA_WSII_SHDOC_RI_SC_STR-ITEM_AMOUNT sy-vline 
WA_WSII_SHDOC_RI_SC_STR-CURRENCY sy-vline 
WA_WSII_SHDOC_RI_SC_STR-DB_CR_IND sy-vline 
WA_WSII_SHDOC_RI_SC_STR-GL_ACCOUNT sy-vline 
WA_WSII_SHDOC_RI_SC_STR-GL_ACCOUNT_D sy-vline 
WA_WSII_SHDOC_RI_SC_STR-EBELN sy-vline 
WA_WSII_SHDOC_RI_SC_STR-EBELP sy-vline      INTO ld_text SEPARATED BY SPACE.

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