ABAP Select data from SAP table PAPBSGB_HESA_GR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAPBSGB_HESA_GR
*  INTO TABLE @DATA(IT_PAPBSGB_HESA_GR2).
*--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_PAPBSGB_HESA_GR INDEX 1 INTO DATA(WA_PAPBSGB_HESA_GR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAPBSGB_HESA_GR>-MANDT = 1.
<PAPBSGB_HESA_GR>-HYEAR = 1.
<PAPBSGB_HESA_GR>-KEY3 = 1.
<PAPBSGB_HESA_GR>-INSTGR = 1.
<PAPBSGB_HESA_GR>-AEDTM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAPBSGB_HESA_GR-ATIME, sy-vline,
  WA_PAPBSGB_HESA_GR-UNAME, sy-vline,
  WA_PAPBSGB_HESA_GR-RECID, sy-vline,
  WA_PAPBSGB_HESA_GR-INSTID, sy-vline,
  WA_PAPBSGB_HESA_GR-GRNAM, sy-vline,
  WA_PAPBSGB_HESA_GR-MINSP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAPBSGB_HESA_GR 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_PAPBSGB_HESA_GR 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_PAPBSGB_HESA_GR INTO WA_PAPBSGB_HESA_GR.


*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 GJAHR, internal->external for field HYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PAPBSGB_HESA_GR-HYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPBSGB_HESA_GR-HYEAR.
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_PAPBSGB_HESA_GR_STR, 
MANDT TYPE STRING,
HYEAR TYPE STRING,
KEY3 TYPE STRING,
INSTGR TYPE STRING,
AEDTM TYPE STRING,
ATIME TYPE STRING,
UNAME TYPE STRING,
RECID TYPE STRING,
INSTID TYPE STRING,
GRNAM TYPE STRING,
MINSP TYPE STRING,
CONSP TYPE STRING,
MAXSP TYPE STRING,
MINSAL TYPE STRING,
CONSAL TYPE STRING,
MAXSAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAPBSGB_HESA_GR_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_PAPBSGB_HESA_GR_STR-MANDT sy-vline 
WA_PAPBSGB_HESA_GR_STR-HYEAR sy-vline 
WA_PAPBSGB_HESA_GR_STR-KEY3 sy-vline 
WA_PAPBSGB_HESA_GR_STR-INSTGR sy-vline 
WA_PAPBSGB_HESA_GR_STR-AEDTM sy-vline 
WA_PAPBSGB_HESA_GR_STR-ATIME sy-vline 
WA_PAPBSGB_HESA_GR_STR-UNAME sy-vline 
WA_PAPBSGB_HESA_GR_STR-RECID sy-vline 
WA_PAPBSGB_HESA_GR_STR-INSTID sy-vline 
WA_PAPBSGB_HESA_GR_STR-GRNAM sy-vline 
WA_PAPBSGB_HESA_GR_STR-MINSP sy-vline 
WA_PAPBSGB_HESA_GR_STR-CONSP sy-vline 
WA_PAPBSGB_HESA_GR_STR-MAXSP sy-vline 
WA_PAPBSGB_HESA_GR_STR-MINSAL sy-vline 
WA_PAPBSGB_HESA_GR_STR-CONSAL sy-vline 
WA_PAPBSGB_HESA_GR_STR-MAXSAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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