ABAP Select data from SAP table BSB_S040 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BSB_S040 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 BSB_S040. 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 BSB_S040 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_BSB_S040 TYPE STANDARD TABLE OF BSB_S040,
      WA_BSB_S040 TYPE BSB_S040,
      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: <BSB_S040> TYPE BSB_S040.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BSB_S040.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BSB_S040
  INTO TABLE IT_BSB_S040.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BSB_S040
*  INTO TABLE @DATA(IT_BSB_S0402).
*--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_BSB_S040 INDEX 1 INTO DATA(WA_BSB_S0402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BSB_S040 ASSIGNING <BSB_S040>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BSB_S040>-IS_COMPETI = 1.
<BSB_S040>-IS_PROSPEC = 1.
<BSB_S040>-IS_CONSUME = 1.
<BSB_S040>-IS_CUSTOME = 1.
<BSB_S040>-CUST_SINCE = 1.

ENDLOOP.

LOOP AT IT_BSB_S040 INTO WA_BSB_S040.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BSB_S040-IS_COD_CUS, sy-vline,
  WA_BSB_S040-INDUSTRY, sy-vline,
  WA_BSB_S040-IS_RENTED, sy-vline,
  WA_BSB_S040-ACC_GROUP, sy-vline,
  WA_BSB_S040-NIELSEN, sy-vline,
  WA_BSB_S040-CUST_CLASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BSB_S040 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_BSB_S040 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_BSB_S040 INTO WA_BSB_S040.


*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_BSB_S040_STR, 
IS_COMPETI TYPE STRING,
IS_PROSPEC TYPE STRING,
IS_CONSUME TYPE STRING,
IS_CUSTOME TYPE STRING,
CUST_SINCE TYPE STRING,
IS_COD_CUS TYPE STRING,
INDUSTRY TYPE STRING,
IS_RENTED TYPE STRING,
ACC_GROUP TYPE STRING,
NIELSEN TYPE STRING,
CUST_CLASS TYPE STRING,
ATTR01 TYPE STRING,
ATTR02 TYPE STRING,
ATTR03 TYPE STRING,
ATTR04 TYPE STRING,
ATTR05 TYPE STRING,
ATTR06 TYPE STRING,
ATTR07 TYPE STRING,
ATTR08 TYPE STRING,
ATTR09 TYPE STRING,
ATTR10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BSB_S040_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_BSB_S040_STR-IS_COMPETI sy-vline 
WA_BSB_S040_STR-IS_PROSPEC sy-vline 
WA_BSB_S040_STR-IS_CONSUME sy-vline 
WA_BSB_S040_STR-IS_CUSTOME sy-vline 
WA_BSB_S040_STR-CUST_SINCE sy-vline 
WA_BSB_S040_STR-IS_COD_CUS sy-vline 
WA_BSB_S040_STR-INDUSTRY sy-vline 
WA_BSB_S040_STR-IS_RENTED sy-vline 
WA_BSB_S040_STR-ACC_GROUP sy-vline 
WA_BSB_S040_STR-NIELSEN sy-vline 
WA_BSB_S040_STR-CUST_CLASS sy-vline 
WA_BSB_S040_STR-ATTR01 sy-vline 
WA_BSB_S040_STR-ATTR02 sy-vline 
WA_BSB_S040_STR-ATTR03 sy-vline 
WA_BSB_S040_STR-ATTR04 sy-vline 
WA_BSB_S040_STR-ATTR05 sy-vline 
WA_BSB_S040_STR-ATTR06 sy-vline 
WA_BSB_S040_STR-ATTR07 sy-vline 
WA_BSB_S040_STR-ATTR08 sy-vline 
WA_BSB_S040_STR-ATTR09 sy-vline 
WA_BSB_S040_STR-ATTR10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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