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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SMB/BPIA_S_PRJ_BB
*  INTO TABLE @DATA(IT_/SMB/BPIA_S_PRJ_BB2).
*--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/BPIA_S_PRJ_BB INDEX 1 INTO DATA(WA_/SMB/BPIA_S_PRJ_BB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SMB/BPIA_S_PRJ_BB>-BBIDX = 1.
</SMB/BPIA_S_PRJ_BB>-OBJIDX = 1.
</SMB/BPIA_S_PRJ_BB>-BBID = 1.
</SMB/BPIA_S_PRJ_BB>-SEQNUM = 1.
</SMB/BPIA_S_PRJ_BB>-INTERACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SMB/BPIA_S_PRJ_BB-MANDAT, sy-vline,
  WA_/SMB/BPIA_S_PRJ_BB-STATUS, sy-vline,
  WA_/SMB/BPIA_S_PRJ_BB-ALT_STATUS, sy-vline,
  WA_/SMB/BPIA_S_PRJ_BB-RESCMP, sy-vline,
  WA_/SMB/BPIA_S_PRJ_BB-LOGID_A, sy-vline,
  WA_/SMB/BPIA_S_PRJ_BB-ECATT_LOG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SMB/BPIA_S_PRJ_BB 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/BPIA_S_PRJ_BB 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/BPIA_S_PRJ_BB INTO WA_/SMB/BPIA_S_PRJ_BB.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SMB/BPIA_S_PRJ_BB-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SMB/BPIA_S_PRJ_BB-LANGU.
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_/SMB/BPIA_S_PRJ_BB_STR, 
BBIDX TYPE STRING,
OBJIDX TYPE STRING,
BBID TYPE STRING,
SEQNUM TYPE STRING,
INTERACT TYPE STRING,
MANDAT TYPE STRING,
STATUS TYPE STRING,
ALT_STATUS TYPE STRING,
RESCMP TYPE STRING,
LOGID_A TYPE STRING,
ECATT_LOG TYPE STRING,
PARENT TYPE STRING,
INSTRUCTION_ID TYPE STRING,
STOP_PT TYPE STRING,
ECATT TYPE STRING,
IPD TYPE STRING,
COLIDX TYPE STRING,
DENAME TYPE STRING,
DEDESC TYPE STRING,
VALUE TYPE STRING,
LANGU TYPE STRING,
RESCMP TYPE STRING,
IPV TYPE STRING,
VALIDX TYPE STRING,
COLIDX TYPE STRING,
VALUE TYPE STRING,
OLINE TYPE STRING,
OCOLL TYPE STRING,
NLINE TYPE STRING,
NCOLL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SMB/BPIA_S_PRJ_BB_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/BPIA_S_PRJ_BB_STR-BBIDX sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-OBJIDX sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-BBID sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-SEQNUM sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-INTERACT sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-MANDAT sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-STATUS sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-ALT_STATUS sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-RESCMP sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-LOGID_A sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-ECATT_LOG sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-PARENT sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-INSTRUCTION_ID sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-STOP_PT sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-ECATT sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-IPD sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-COLIDX sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-DENAME sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-DEDESC sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-VALUE sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-LANGU sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-RESCMP sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-IPV sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-VALIDX sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-COLIDX sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-VALUE sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-OLINE sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-OCOLL sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-NLINE sy-vline 
WA_/SMB/BPIA_S_PRJ_BB_STR-NCOLL sy-vline      INTO ld_text SEPARATED BY SPACE.

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