ABAP Select data from SAP table FCOM_PLAN_STAGR_INT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOM_PLAN_STAGR_INT
*  INTO TABLE @DATA(IT_FCOM_PLAN_STAGR_INT2).
*--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_FCOM_PLAN_STAGR_INT INDEX 1 INTO DATA(WA_FCOM_PLAN_STAGR_INT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOM_PLAN_STAGR_INT>-STAGR = 1.
<FCOM_PLAN_STAGR_INT>-STAGRTEXT = 1.
<FCOM_PLAN_STAGR_INT>-FLAG = 1.
<FCOM_PLAN_STAGR_INT>-PLANREL = 1.
<FCOM_PLAN_STAGR_INT>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOM_PLAN_STAGR_INT-WRTTP, sy-vline,
  WA_FCOM_PLAN_STAGR_INT-MEINH, sy-vline,
  WA_FCOM_PLAN_STAGR_INT-ANDEC, sy-vline,
  WA_FCOM_PLAN_STAGR_INT-DECAN, sy-vline,
  WA_FCOM_PLAN_STAGR_INT-GRTYP, sy-vline,
  WA_FCOM_PLAN_STAGR_INT-WHOLEYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOM_PLAN_STAGR_INT 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_FCOM_PLAN_STAGR_INT 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_FCOM_PLAN_STAGR_INT INTO WA_FCOM_PLAN_STAGR_INT.


*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 GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_PLAN_STAGR_INT-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_PLAN_STAGR_INT-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WRTTP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_PLAN_STAGR_INT-WRTTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_PLAN_STAGR_INT-WRTTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_PLAN_STAGR_INT-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_PLAN_STAGR_INT-MEINH.
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_FCOM_PLAN_STAGR_INT_STR, 
STAGR TYPE STRING,
STAGRTEXT TYPE STRING,
FLAG TYPE STRING,
PLANREL TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
MEINH TYPE STRING,
ANDEC TYPE STRING,
DECAN TYPE STRING,
GRTYP TYPE STRING,
WHOLEYEAR TYPE STRING,
QUARTER1 TYPE STRING,
QUARTER2 TYPE STRING,
QUARTER3 TYPE STRING,
QUARTER4 TYPE STRING,
PERIO1 TYPE STRING,
PERIO2 TYPE STRING,
PERIO3 TYPE STRING,
PERIO4 TYPE STRING,
PERIO5 TYPE STRING,
PERIO6 TYPE STRING,
PERIO7 TYPE STRING,
PERIO8 TYPE STRING,
PERIO9 TYPE STRING,
PERIO10 TYPE STRING,
PERIO11 TYPE STRING,
PERIO12 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOM_PLAN_STAGR_INT_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_FCOM_PLAN_STAGR_INT_STR-STAGR sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-STAGRTEXT sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-FLAG sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PLANREL sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-GJAHR sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-WRTTP sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-MEINH sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-ANDEC sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-DECAN sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-GRTYP sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-WHOLEYEAR sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-QUARTER1 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-QUARTER2 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-QUARTER3 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-QUARTER4 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO1 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO2 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO3 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO4 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO5 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO6 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO7 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO8 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO9 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO10 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO11 sy-vline 
WA_FCOM_PLAN_STAGR_INT_STR-PERIO12 sy-vline      INTO ld_text SEPARATED BY SPACE.

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