ABAP Select data from SAP table BBPT_PRGENERAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBPT_PRGENERAL
*  INTO TABLE @DATA(IT_BBPT_PRGENERAL2).
*--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_BBPT_PRGENERAL INDEX 1 INTO DATA(WA_BBPT_PRGENERAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBPT_PRGENERAL>-CLIENT = 1.
<BBPT_PRGENERAL>-FRG_GUID = 1.
<BBPT_PRGENERAL>-ORDER_UNIT = 1.
<BBPT_PRGENERAL>-PRICE = 1.
<BBPT_PRGENERAL>-PRICE_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBPT_PRGENERAL-CURRENCY, sy-vline,
  WA_BBPT_PRGENERAL-VALID_FROM, sy-vline,
  WA_BBPT_PRGENERAL-VALID_TO, sy-vline,
  WA_BBPT_PRGENERAL-UPNAME, sy-vline,
  WA_BBPT_PRGENERAL-HISTEX, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_BBPT_PRGENERAL 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_BBPT_PRGENERAL 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_BBPT_PRGENERAL INTO WA_BBPT_PRGENERAL.


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

*Conversion exit TSTPS, internal->external for field VALID_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BBPT_PRGENERAL-VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBPT_PRGENERAL-VALID_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALID_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BBPT_PRGENERAL-VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBPT_PRGENERAL-VALID_TO.
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_BBPT_PRGENERAL_STR, 
CLIENT TYPE STRING,
FRG_GUID TYPE STRING,
ORDER_UNIT TYPE STRING,
PRICE TYPE STRING,
PRICE_UNIT TYPE STRING,
CURRENCY TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
UPNAME TYPE STRING,
HISTEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBPT_PRGENERAL_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_BBPT_PRGENERAL_STR-CLIENT sy-vline 
WA_BBPT_PRGENERAL_STR-FRG_GUID sy-vline 
WA_BBPT_PRGENERAL_STR-ORDER_UNIT sy-vline 
WA_BBPT_PRGENERAL_STR-PRICE sy-vline 
WA_BBPT_PRGENERAL_STR-PRICE_UNIT sy-vline 
WA_BBPT_PRGENERAL_STR-CURRENCY sy-vline 
WA_BBPT_PRGENERAL_STR-VALID_FROM sy-vline 
WA_BBPT_PRGENERAL_STR-VALID_TO sy-vline 
WA_BBPT_PRGENERAL_STR-UPNAME sy-vline 
WA_BBPT_PRGENERAL_STR-HISTEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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