ABAP Select data from SAP table FCOM_S_VAR_DATA_CHART_EXT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCOM_S_VAR_DATA_CHART_EXT 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_S_VAR_DATA_CHART_EXT. 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_S_VAR_DATA_CHART_EXT 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_S_VAR_DATA_CHART_EXT TYPE STANDARD TABLE OF FCOM_S_VAR_DATA_CHART_EXT,
      WA_FCOM_S_VAR_DATA_CHART_EXT TYPE FCOM_S_VAR_DATA_CHART_EXT,
      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_S_VAR_DATA_CHART_EXT> TYPE FCOM_S_VAR_DATA_CHART_EXT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOM_S_VAR_DATA_CHART_EXT
*  INTO TABLE @DATA(IT_FCOM_S_VAR_DATA_CHART_EXT2).
*--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_S_VAR_DATA_CHART_EXT INDEX 1 INTO DATA(WA_FCOM_S_VAR_DATA_CHART_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOM_S_VAR_DATA_CHART_EXT>-OBJECT = 1.
<FCOM_S_VAR_DATA_CHART_EXT>-RULEID = 1.
<FCOM_S_VAR_DATA_CHART_EXT>-WAERS = 1.
<FCOM_S_VAR_DATA_CHART_EXT>-ACTUAL_001 = 1.
<FCOM_S_VAR_DATA_CHART_EXT>-ACTUAL_002 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_003, sy-vline,
  WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_004, sy-vline,
  WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_005, sy-vline,
  WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_006, sy-vline,
  WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_007, sy-vline,
  WA_FCOM_S_VAR_DATA_CHART_EXT-ACTUAL_008, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOM_S_VAR_DATA_CHART_EXT 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_S_VAR_DATA_CHART_EXT 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_S_VAR_DATA_CHART_EXT INTO WA_FCOM_S_VAR_DATA_CHART_EXT.


*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_FCOM_S_VAR_DATA_CHART_EXT_STR, 
OBJECT TYPE STRING,
RULEID TYPE STRING,
WAERS TYPE STRING,
ACTUAL_001 TYPE STRING,
ACTUAL_002 TYPE STRING,
ACTUAL_003 TYPE STRING,
ACTUAL_004 TYPE STRING,
ACTUAL_005 TYPE STRING,
ACTUAL_006 TYPE STRING,
ACTUAL_007 TYPE STRING,
ACTUAL_008 TYPE STRING,
ACTUAL_009 TYPE STRING,
ACTUAL_010 TYPE STRING,
ACTUAL_011 TYPE STRING,
ACTUAL_012 TYPE STRING,
ACTUAL_013 TYPE STRING,
ACTUAL_014 TYPE STRING,
ACTUAL_015 TYPE STRING,
ACTUAL_016 TYPE STRING,
PLAN_001 TYPE STRING,
PLAN_002 TYPE STRING,
PLAN_003 TYPE STRING,
PLAN_004 TYPE STRING,
PLAN_005 TYPE STRING,
PLAN_006 TYPE STRING,
PLAN_007 TYPE STRING,
PLAN_008 TYPE STRING,
PLAN_009 TYPE STRING,
PLAN_010 TYPE STRING,
PLAN_011 TYPE STRING,
PLAN_012 TYPE STRING,
PLAN_013 TYPE STRING,
PLAN_014 TYPE STRING,
PLAN_015 TYPE STRING,
PLAN_016 TYPE STRING,
TREND_001 TYPE STRING,
TREND_002 TYPE STRING,
TREND_003 TYPE STRING,
TREND_004 TYPE STRING,
TREND_005 TYPE STRING,
TREND_006 TYPE STRING,
TREND_007 TYPE STRING,
TREND_008 TYPE STRING,
TREND_009 TYPE STRING,
TREND_010 TYPE STRING,
TREND_011 TYPE STRING,
TREND_012 TYPE STRING,
TREND_013 TYPE STRING,
TREND_014 TYPE STRING,
TREND_015 TYPE STRING,
TREND_016 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOM_S_VAR_DATA_CHART_EXT_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_S_VAR_DATA_CHART_EXT_STR-OBJECT sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-RULEID sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-WAERS sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_001 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_002 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_003 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_004 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_005 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_006 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_007 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_008 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_009 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_010 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_011 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_012 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_013 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_014 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_015 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-ACTUAL_016 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_001 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_002 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_003 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_004 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_005 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_006 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_007 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_008 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_009 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_010 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_011 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_012 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_013 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_014 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_015 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-PLAN_016 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_001 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_002 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_003 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_004 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_005 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_006 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_007 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_008 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_009 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_010 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_011 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_012 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_013 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_014 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_015 sy-vline 
WA_FCOM_S_VAR_DATA_CHART_EXT_STR-TREND_016 sy-vline      INTO ld_text SEPARATED BY SPACE.

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