ABAP Select data from SAP table FINB_GN_ACT_OBJECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINB_GN_ACT_OBJECT
*  INTO TABLE @DATA(IT_FINB_GN_ACT_OBJECT2).
*--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_FINB_GN_ACT_OBJECT INDEX 1 INTO DATA(WA_FINB_GN_ACT_OBJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINB_GN_ACT_OBJECT>-PGMID = 1.
<FINB_GN_ACT_OBJECT>-OBJ_TYPE = 1.
<FINB_GN_ACT_OBJECT>-OBJ_NAME = 1.
<FINB_GN_ACT_OBJECT>-IND_NAME = 1.
<FINB_GN_ACT_OBJECT>-DELETE_OBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINB_GN_ACT_OBJECT-SUCCESSFUL, sy-vline,
  WA_FINB_GN_ACT_OBJECT-CONVERSION, sy-vline,
  WA_FINB_GN_ACT_OBJECT-SUBRC, sy-vline,
  WA_FINB_GN_ACT_OBJECT-MSGTY, sy-vline,
  WA_FINB_GN_ACT_OBJECT-MSGID, sy-vline,
  WA_FINB_GN_ACT_OBJECT-MSGNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINB_GN_ACT_OBJECT 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_FINB_GN_ACT_OBJECT 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_FINB_GN_ACT_OBJECT INTO WA_FINB_GN_ACT_OBJECT.


*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_FINB_GN_ACT_OBJECT_STR, 
PGMID TYPE STRING,
OBJ_TYPE TYPE STRING,
OBJ_NAME TYPE STRING,
IND_NAME TYPE STRING,
DELETE_OBJ TYPE STRING,
SUCCESSFUL TYPE STRING,
CONVERSION TYPE STRING,
SUBRC TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
KIND TYPE STRING,
USED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINB_GN_ACT_OBJECT_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_FINB_GN_ACT_OBJECT_STR-PGMID sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-OBJ_TYPE sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-OBJ_NAME sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-IND_NAME sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-DELETE_OBJ sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-SUCCESSFUL sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-CONVERSION sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-SUBRC sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGTY sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGID sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGNO sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGV1 sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGV2 sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGV3 sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-MSGV4 sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-KIND sy-vline 
WA_FINB_GN_ACT_OBJECT_STR-USED sy-vline      INTO ld_text SEPARATED BY SPACE.

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