ABAP Select data from SAP table BBPS_BIDINV_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBPS_BIDINV_ITEM
*  INTO TABLE @DATA(IT_BBPS_BIDINV_ITEM2).
*--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_BBPS_BIDINV_ITEM INDEX 1 INTO DATA(WA_BBPS_BIDINV_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBPS_BIDINV_ITEM>-ITEM_NUMBER = 1.
<BBPS_BIDINV_ITEM>-ITEM_GUID = 1.
<BBPS_BIDINV_ITEM>-SC_REFDOC_NO = 1.
<BBPS_BIDINV_ITEM>-SC_REFDOC_GUID = 1.
<BBPS_BIDINV_ITEM>-SC_ITEM_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBPS_BIDINV_ITEM-SC_ITEM_GUID, sy-vline,
  WA_BBPS_BIDINV_ITEM-DESCRIPTION, sy-vline,
  WA_BBPS_BIDINV_ITEM-PRODUCT, sy-vline,
  WA_BBPS_BIDINV_ITEM-PRODUCT_ID, sy-vline,
  WA_BBPS_BIDINV_ITEM-PRODUCT_TYPE, sy-vline,
  WA_BBPS_BIDINV_ITEM-PARTNER_PROD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBPS_BIDINV_ITEM 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_BBPS_BIDINV_ITEM 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_BBPS_BIDINV_ITEM INTO WA_BBPS_BIDINV_ITEM.


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

*Conversion exit PRID1, internal->external for field PRODUCT_ID
CALL FUNCTION 'CONVERSION_EXIT_PRID1_OUTPUT'
  EXPORTING
    input =                      WA_BBPS_BIDINV_ITEM-PRODUCT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBPS_BIDINV_ITEM-PRODUCT_ID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GTIN1, internal->external for field PRODUCT_GTIN
CALL FUNCTION 'CONVERSION_EXIT_GTIN1_OUTPUT'
  EXPORTING
    input =                      WA_BBPS_BIDINV_ITEM-PRODUCT_GTIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBPS_BIDINV_ITEM-PRODUCT_GTIN.
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_BBPS_BIDINV_ITEM_STR, 
ITEM_NUMBER TYPE STRING,
ITEM_GUID TYPE STRING,
SC_REFDOC_NO TYPE STRING,
SC_REFDOC_GUID TYPE STRING,
SC_ITEM_NUMBER TYPE STRING,
SC_ITEM_GUID TYPE STRING,
DESCRIPTION TYPE STRING,
PRODUCT TYPE STRING,
PRODUCT_ID TYPE STRING,
PRODUCT_TYPE TYPE STRING,
PARTNER_PROD TYPE STRING,
MANU_PROD TYPE STRING,
MFR_NO_EXT TYPE STRING,
CATALOGID TYPE STRING,
CATALOGURL TYPE STRING,
CATALOGITEM TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_ID TYPE STRING,
SCHEMA_TYPE TYPE STRING,
CT_CATEGORY_ID TYPE STRING,
ITM_EX_CT_UN_ID TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
UNIT_ISO TYPE STRING,
DELIV_DATE TYPE STRING,
DELIV_TIME TYPE STRING,
PRODUCT_GTIN TYPE STRING,
LANGU_ISO TYPE STRING,
PRODUCT_SRC_SYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBPS_BIDINV_ITEM_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_BBPS_BIDINV_ITEM_STR-ITEM_NUMBER sy-vline 
WA_BBPS_BIDINV_ITEM_STR-ITEM_GUID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-SC_REFDOC_NO sy-vline 
WA_BBPS_BIDINV_ITEM_STR-SC_REFDOC_GUID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-SC_ITEM_NUMBER sy-vline 
WA_BBPS_BIDINV_ITEM_STR-SC_ITEM_GUID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-DESCRIPTION sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PRODUCT sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PRODUCT_ID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PRODUCT_TYPE sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PARTNER_PROD sy-vline 
WA_BBPS_BIDINV_ITEM_STR-MANU_PROD sy-vline 
WA_BBPS_BIDINV_ITEM_STR-MFR_NO_EXT sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CATALOGID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CATALOGURL sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CATALOGITEM sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CATEGORY sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CATEGORY_ID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-SCHEMA_TYPE sy-vline 
WA_BBPS_BIDINV_ITEM_STR-CT_CATEGORY_ID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-ITM_EX_CT_UN_ID sy-vline 
WA_BBPS_BIDINV_ITEM_STR-QUANTITY sy-vline 
WA_BBPS_BIDINV_ITEM_STR-UNIT sy-vline 
WA_BBPS_BIDINV_ITEM_STR-UNIT_ISO sy-vline 
WA_BBPS_BIDINV_ITEM_STR-DELIV_DATE sy-vline 
WA_BBPS_BIDINV_ITEM_STR-DELIV_TIME sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PRODUCT_GTIN sy-vline 
WA_BBPS_BIDINV_ITEM_STR-LANGU_ISO sy-vline 
WA_BBPS_BIDINV_ITEM_STR-PRODUCT_SRC_SYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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