ABAP Select data from SAP table /SMB/BB_RT_I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SMB/BB_RT_I 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 /SMB/BB_RT_I. 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 /SMB/BB_RT_I 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_/SMB/BB_RT_I TYPE STANDARD TABLE OF /SMB/BB_RT_I,
      WA_/SMB/BB_RT_I TYPE /SMB/BB_RT_I,
      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: </SMB/BB_RT_I> TYPE /SMB/BB_RT_I.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SMB/BB_RT_I
  INTO TABLE IT_/SMB/BB_RT_I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/BB_RT_I
*  INTO TABLE @DATA(IT_/SMB/BB_RT_I2).
*--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_/SMB/BB_RT_I INDEX 1 INTO DATA(WA_/SMB/BB_RT_I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SMB/BB_RT_I ASSIGNING </SMB/BB_RT_I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/BB_RT_I>-MANDT = 1.
</SMB/BB_RT_I>-PRJID = 1.
</SMB/BB_RT_I>-BBID = 1.
</SMB/BB_RT_I>-VERSION = 1.
</SMB/BB_RT_I>-ORDER_NUMBER = 1.

ENDLOOP.

LOOP AT IT_/SMB/BB_RT_I INTO WA_/SMB/BB_RT_I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/BB_RT_I-OBJID, sy-vline,
  WA_/SMB/BB_RT_I-OBJTY, sy-vline,
  WA_/SMB/BB_RT_I-FILENAME, sy-vline,
  WA_/SMB/BB_RT_I-TARGET_SYSTEM, sy-vline,
  WA_/SMB/BB_RT_I-ECAT_VAR, sy-vline,
  WA_/SMB/BB_RT_I-TCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/BB_RT_I 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_/SMB/BB_RT_I 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_/SMB/BB_RT_I INTO WA_/SMB/BB_RT_I.


*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_/SMB/BB_RT_I_STR, 
MANDT TYPE STRING,
PRJID TYPE STRING,
BBID TYPE STRING,
VERSION TYPE STRING,
ORDER_NUMBER TYPE STRING,
OBJID TYPE STRING,
OBJTY TYPE STRING,
FILENAME TYPE STRING,
TARGET_SYSTEM TYPE STRING,
ECAT_VAR TYPE STRING,
TCODE TYPE STRING,
DOC_ID TYPE STRING,
DOC_POPUP TYPE STRING,
PARENT_ORDER_NUMBER TYPE STRING,
MANDATORY TYPE STRING,
INTERACTIVE TYPE STRING,
DEMO TYPE STRING,
TASK_ID TYPE STRING,
STATUS TYPE STRING,
ALT_STATUS TYPE STRING,
STOP_POINT_SET TYPE STRING,
ECATT_LOG TYPE STRING,
CURR_LOGID TYPE STRING,
CUST_OBJ_ID TYPE STRING,
CUST_OBJ_TYPE TYPE STRING,
ABAP_LOG TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_SYSTEM TYPE STRING,
CREATED_CLIENT TYPE STRING,
VERSION_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/BB_RT_I_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_/SMB/BB_RT_I_STR-MANDT sy-vline 
WA_/SMB/BB_RT_I_STR-PRJID sy-vline 
WA_/SMB/BB_RT_I_STR-BBID sy-vline 
WA_/SMB/BB_RT_I_STR-VERSION sy-vline 
WA_/SMB/BB_RT_I_STR-ORDER_NUMBER sy-vline 
WA_/SMB/BB_RT_I_STR-OBJID sy-vline 
WA_/SMB/BB_RT_I_STR-OBJTY sy-vline 
WA_/SMB/BB_RT_I_STR-FILENAME sy-vline 
WA_/SMB/BB_RT_I_STR-TARGET_SYSTEM sy-vline 
WA_/SMB/BB_RT_I_STR-ECAT_VAR sy-vline 
WA_/SMB/BB_RT_I_STR-TCODE sy-vline 
WA_/SMB/BB_RT_I_STR-DOC_ID sy-vline 
WA_/SMB/BB_RT_I_STR-DOC_POPUP sy-vline 
WA_/SMB/BB_RT_I_STR-PARENT_ORDER_NUMBER sy-vline 
WA_/SMB/BB_RT_I_STR-MANDATORY sy-vline 
WA_/SMB/BB_RT_I_STR-INTERACTIVE sy-vline 
WA_/SMB/BB_RT_I_STR-DEMO sy-vline 
WA_/SMB/BB_RT_I_STR-TASK_ID sy-vline 
WA_/SMB/BB_RT_I_STR-STATUS sy-vline 
WA_/SMB/BB_RT_I_STR-ALT_STATUS sy-vline 
WA_/SMB/BB_RT_I_STR-STOP_POINT_SET sy-vline 
WA_/SMB/BB_RT_I_STR-ECATT_LOG sy-vline 
WA_/SMB/BB_RT_I_STR-CURR_LOGID sy-vline 
WA_/SMB/BB_RT_I_STR-CUST_OBJ_ID sy-vline 
WA_/SMB/BB_RT_I_STR-CUST_OBJ_TYPE sy-vline 
WA_/SMB/BB_RT_I_STR-ABAP_LOG sy-vline 
WA_/SMB/BB_RT_I_STR-CREATED_BY sy-vline 
WA_/SMB/BB_RT_I_STR-CREATED_ON sy-vline 
WA_/SMB/BB_RT_I_STR-CREATED_SYSTEM sy-vline 
WA_/SMB/BB_RT_I_STR-CREATED_CLIENT sy-vline 
WA_/SMB/BB_RT_I_STR-VERSION_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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