ABAP Select data from SAP table TCCS_CC_DCS_COMM_FUTURE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TCCS_CC_DCS_COMM_FUTURE
*  INTO TABLE @DATA(IT_TCCS_CC_DCS_COMM_FUTURE2).
*--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_TCCS_CC_DCS_COMM_FUTURE INDEX 1 INTO DATA(WA_TCCS_CC_DCS_COMM_FUTURE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TCCS_CC_DCS_COMM_FUTURE>-DCS_KD = 1.
<TCCS_CC_DCS_COMM_FUTURE>-DCS_PERDS = 1.
<TCCS_CC_DCS_COMM_FUTURE>-DCS_KDT = 1.
<TCCS_CC_DCS_COMM_FUTURE>-PRICEQUOT = 1.
<TCCS_CC_DCS_COMM_FUTURE>-SPOT_PERIOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TCCS_CC_DCS_COMM_FUTURE-DCSID, sy-vline,
  WA_TCCS_CC_DCS_COMM_FUTURE-KEYDATE, sy-vline,
  WA_TCCS_CC_DCS_COMM_FUTURE-PERIODTYPE, sy-vline,
  WA_TCCS_CC_DCS_COMM_FUTURE-PERIODSTART, sy-vline,
  WA_TCCS_CC_DCS_COMM_FUTURE-PERIODEND, sy-vline,
  WA_TCCS_CC_DCS_COMM_FUTURE-SPOT_PRICEQUOT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TCCS_CC_DCS_COMM_FUTURE 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_TCCS_CC_DCS_COMM_FUTURE 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_TCCS_CC_DCS_COMM_FUTURE INTO WA_TCCS_CC_DCS_COMM_FUTURE.


*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 UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TCCS_CC_DCS_COMM_FUTURE-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCCS_CC_DCS_COMM_FUTURE-UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CPE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TCCS_CC_DCS_COMM_FUTURE-CPE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TCCS_CC_DCS_COMM_FUTURE-CPE_UOM.
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_TCCS_CC_DCS_COMM_FUTURE_STR, 
DCS_KD TYPE STRING,
DCS_PERDS TYPE STRING,
DCS_KDT TYPE STRING,
PRICEQUOT TYPE STRING,
SPOT_PERIOD TYPE STRING,
DCSID TYPE STRING,
KEYDATE TYPE STRING,
PERIODTYPE TYPE STRING,
PERIODSTART TYPE STRING,
PERIODEND TYPE STRING,
SPOT_PRICEQUOT TYPE STRING,
CLIENT TYPE STRING,
DCSID TYPE STRING,
MIC TYPE STRING,
KEYDATE TYPE STRING,
PRICETYPE TYPE STRING,
PRICEDATE TYPE STRING,
PRICETIME TYPE STRING,
TENOR TYPE STRING,
PRICE TYPE STRING,
UOM TYPE STRING,
CPE_UOM TYPE STRING,
CURRENCY TYPE STRING,
CREATEDBY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TCCS_CC_DCS_COMM_FUTURE_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_TCCS_CC_DCS_COMM_FUTURE_STR-DCS_KD sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-DCS_PERDS sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-DCS_KDT sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PRICEQUOT sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-SPOT_PERIOD sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-DCSID sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-KEYDATE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PERIODTYPE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PERIODSTART sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PERIODEND sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-SPOT_PRICEQUOT sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-CLIENT sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-DCSID sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-MIC sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-KEYDATE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PRICETYPE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PRICEDATE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PRICETIME sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-TENOR sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-PRICE sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-UOM sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-CPE_UOM sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-CURRENCY sy-vline 
WA_TCCS_CC_DCS_COMM_FUTURE_STR-CREATEDBY sy-vline      INTO ld_text SEPARATED BY SPACE.

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