ABAP Select data from SAP table PIQPP_EV_GRADING_BRFP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQPP_EV_GRADING_BRFP
*  INTO TABLE @DATA(IT_PIQPP_EV_GRADING_BRFP2).
*--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_PIQPP_EV_GRADING_BRFP INDEX 1 INTO DATA(WA_PIQPP_EV_GRADING_BRFP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQPP_EV_GRADING_BRFP>-AGRTYPE = 1.
<PIQPP_EV_GRADING_BRFP>-AGRSTAT = 1.
<PIQPP_EV_GRADING_BRFP>-GRADESYMBOL = 1.
<PIQPP_EV_GRADING_BRFP>-GRADE = 1.
<PIQPP_EV_GRADING_BRFP>-GRADESCALE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQPP_EV_GRADING_BRFP-AGRNOTRATED, sy-vline,
  WA_PIQPP_EV_GRADING_BRFP-AGRDATE, sy-vline,
  WA_PIQPP_EV_GRADING_BRFP-AGRCOMPLETED, sy-vline,
  WA_PIQPP_EV_GRADING_BRFP-CPATTEMP, sy-vline,
  WA_PIQPP_EV_GRADING_BRFP-CPEARNED, sy-vline,
  WA_PIQPP_EV_GRADING_BRFP-CPGRADED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQPP_EV_GRADING_BRFP 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_PIQPP_EV_GRADING_BRFP 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_PIQPP_EV_GRADING_BRFP INTO WA_PIQPP_EV_GRADING_BRFP.


*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 CPUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIQPP_EV_GRADING_BRFP-CPUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQPP_EV_GRADING_BRFP-CPUNIT.
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_PIQPP_EV_GRADING_BRFP_STR, 
AGRTYPE TYPE STRING,
AGRSTAT TYPE STRING,
GRADESYMBOL TYPE STRING,
GRADE TYPE STRING,
GRADESCALE TYPE STRING,
AGRNOTRATED TYPE STRING,
AGRDATE TYPE STRING,
AGRCOMPLETED TYPE STRING,
CPATTEMP TYPE STRING,
CPEARNED TYPE STRING,
CPGRADED TYPE STRING,
CPUNIT TYPE STRING,
AGRREMARK TYPE STRING,
AGRBEGDA TYPE STRING,
AGRENDDA TYPE STRING,
ARCH_STATUS TYPE STRING,
NOTEID TYPE STRING,
GRADECHANGED TYPE STRING,
PUBLICATIONDATE TYPE STRING,
BKG_STATUS_CHANGED TYPE STRING,
PREV_BKG_STATUS TYPE STRING,
PROGRAMTYPESBEF TYPE STRING,
PROGRAMSBEF TYPE STRING,
EVENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQPP_EV_GRADING_BRFP_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_PIQPP_EV_GRADING_BRFP_STR-AGRTYPE sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRSTAT sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-GRADESYMBOL sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-GRADE sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-GRADESCALE sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRNOTRATED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRDATE sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRCOMPLETED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-CPATTEMP sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-CPEARNED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-CPGRADED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-CPUNIT sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRREMARK sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRBEGDA sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-AGRENDDA sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-ARCH_STATUS sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-NOTEID sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-GRADECHANGED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-PUBLICATIONDATE sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-BKG_STATUS_CHANGED sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-PREV_BKG_STATUS sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-PROGRAMTYPESBEF sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-PROGRAMSBEF sy-vline 
WA_PIQPP_EV_GRADING_BRFP_STR-EVENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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