ABAP Select data from SAP table BSS_BPIL_ROOT_ATTRIBUTES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BSS_BPIL_ROOT_ATTRIBUTES
*  INTO TABLE @DATA(IT_BSS_BPIL_ROOT_ATTRIBUTES2).
*--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_BSS_BPIL_ROOT_ATTRIBUTES INDEX 1 INTO DATA(WA_BSS_BPIL_ROOT_ATTRIBUTES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BSS_BPIL_ROOT_ATTRIBUTES>-PARTNER = 1.
<BSS_BPIL_ROOT_ATTRIBUTES>-CATEGORY = 1.
<BSS_BPIL_ROOT_ATTRIBUTES>-GROUPING = 1.
<BSS_BPIL_ROOT_ATTRIBUTES>-DESCRIPTION = 1.
<BSS_BPIL_ROOT_ATTRIBUTES>-NATPERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BSS_BPIL_ROOT_ATTRIBUTES-SEARCHTERM1, sy-vline,
  WA_BSS_BPIL_ROOT_ATTRIBUTES-SEARCHTERM2, sy-vline,
  WA_BSS_BPIL_ROOT_ATTRIBUTES-PARTNERTYPE, sy-vline,
  WA_BSS_BPIL_ROOT_ATTRIBUTES-AUTHORIZATIONGROUP, sy-vline,
  WA_BSS_BPIL_ROOT_ATTRIBUTES-PARTNERLANGUAGE, sy-vline,
  WA_BSS_BPIL_ROOT_ATTRIBUTES-PARTNERLANGUAGEISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BSS_BPIL_ROOT_ATTRIBUTES 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_BSS_BPIL_ROOT_ATTRIBUTES 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_BSS_BPIL_ROOT_ATTRIBUTES INTO WA_BSS_BPIL_ROOT_ATTRIBUTES.


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

*Conversion exit ISOLA, internal->external for field PARTNERLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_BSS_BPIL_ROOT_ATTRIBUTES-PARTNERLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BSS_BPIL_ROOT_ATTRIBUTES-PARTNERLANGUAGE.
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_BSS_BPIL_ROOT_ATTRIBUTES_STR, 
PARTNER TYPE STRING,
CATEGORY TYPE STRING,
GROUPING TYPE STRING,
DESCRIPTION TYPE STRING,
NATPERS TYPE STRING,
SEARCHTERM1 TYPE STRING,
SEARCHTERM2 TYPE STRING,
PARTNERTYPE TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
PARTNERLANGUAGE TYPE STRING,
PARTNERLANGUAGEISO TYPE STRING,
DATAORIGINTYPE TYPE STRING,
CENTRALARCHIVINGFLAG TYPE STRING,
CENTRALBLOCK TYPE STRING,
TITLE_KEY TYPE STRING,
CONTACTALLOWANCE TYPE STRING,
PARTNEREXTERNAL TYPE STRING,
TITLELETTER TYPE STRING,
NOTRELEASED TYPE STRING,
COMM_TYPE TYPE STRING,
PRINT_MODE TYPE STRING,
BP_EEW_DUMMY TYPE STRING,
IS_NEW TYPE STRING,
SEARCH_RANK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BSS_BPIL_ROOT_ATTRIBUTES_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_BSS_BPIL_ROOT_ATTRIBUTES_STR-PARTNER sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-CATEGORY sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-GROUPING sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-DESCRIPTION sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-NATPERS sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-SEARCHTERM1 sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-SEARCHTERM2 sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-PARTNERTYPE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-AUTHORIZATIONGROUP sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-PARTNERLANGUAGE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-PARTNERLANGUAGEISO sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-DATAORIGINTYPE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-CENTRALARCHIVINGFLAG sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-CENTRALBLOCK sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-TITLE_KEY sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-CONTACTALLOWANCE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-PARTNEREXTERNAL sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-TITLELETTER sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-NOTRELEASED sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-COMM_TYPE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-PRINT_MODE sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-BP_EEW_DUMMY sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-IS_NEW sy-vline 
WA_BSS_BPIL_ROOT_ATTRIBUTES_STR-SEARCH_RANK sy-vline      INTO ld_text SEPARATED BY SPACE.

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