ABAP Select data from SAP table /ACCGO/CCAK_S_SEL_FIX_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/CCAK_S_SEL_FIX_DATA 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 /ACCGO/CCAK_S_SEL_FIX_DATA. 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 /ACCGO/CCAK_S_SEL_FIX_DATA 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_/ACCGO/CCAK_S_SEL_FIX_DATA TYPE STANDARD TABLE OF /ACCGO/CCAK_S_SEL_FIX_DATA,
      WA_/ACCGO/CCAK_S_SEL_FIX_DATA TYPE /ACCGO/CCAK_S_SEL_FIX_DATA,
      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: </ACCGO/CCAK_S_SEL_FIX_DATA> TYPE /ACCGO/CCAK_S_SEL_FIX_DATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/CCAK_S_SEL_FIX_DATA
  INTO TABLE IT_/ACCGO/CCAK_S_SEL_FIX_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CCAK_S_SEL_FIX_DATA
*  INTO TABLE @DATA(IT_/ACCGO/CCAK_S_SEL_FIX_DATA2).
*--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_/ACCGO/CCAK_S_SEL_FIX_DATA INDEX 1 INTO DATA(WA_/ACCGO/CCAK_S_SEL_FIX_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/CCAK_S_SEL_FIX_DATA ASSIGNING </ACCGO/CCAK_S_SEL_FIX_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CCAK_S_SEL_FIX_DATA>-LINE_INDEX = 1.
</ACCGO/CCAK_S_SEL_FIX_DATA>-SUPPRESS_FEES = 1.
</ACCGO/CCAK_S_SEL_FIX_DATA>-MCODE_REF = 1.
</ACCGO/CCAK_S_SEL_FIX_DATA>-KEYDATE_REF = 1.
</ACCGO/CCAK_S_SEL_FIX_DATA>-CURRENT_FUTURE_PRICE = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/CCAK_S_SEL_FIX_DATA INTO WA_/ACCGO/CCAK_S_SEL_FIX_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CCAK_S_SEL_FIX_DATA-REF_FUTURE_PRICE, sy-vline,
  WA_/ACCGO/CCAK_S_SEL_FIX_DATA-SPOT_FX_PRICE, sy-vline,
  WA_/ACCGO/CCAK_S_SEL_FIX_DATA-SPOT_FX_PRC_MKT, sy-vline,
  WA_/ACCGO/CCAK_S_SEL_FIX_DATA-BLENDED_FX_RATE, sy-vline,
  WA_/ACCGO/CCAK_S_SEL_FIX_DATA-ROLL_PRICE, sy-vline,
  WA_/ACCGO/CCAK_S_SEL_FIX_DATA-IS_QUOTE_DOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CCAK_S_SEL_FIX_DATA 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_/ACCGO/CCAK_S_SEL_FIX_DATA 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_/ACCGO/CCAK_S_SEL_FIX_DATA INTO WA_/ACCGO/CCAK_S_SEL_FIX_DATA.


*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 ALPHA, internal->external for field MCODE_REF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CCAK_S_SEL_FIX_DATA-MCODE_REF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CCAK_S_SEL_FIX_DATA-MCODE_REF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ROLL_BASIS_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CCAK_S_SEL_FIX_DATA-ROLL_BASIS_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CCAK_S_SEL_FIX_DATA-ROLL_BASIS_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_/ACCGO/CCAK_S_SEL_FIX_DATA_STR, 
LINE_INDEX TYPE STRING,
SUPPRESS_FEES TYPE STRING,
MCODE_REF TYPE STRING,
KEYDATE_REF TYPE STRING,
CURRENT_FUTURE_PRICE TYPE STRING,
REF_FUTURE_PRICE TYPE STRING,
SPOT_FX_PRICE TYPE STRING,
SPOT_FX_PRC_MKT TYPE STRING,
BLENDED_FX_RATE TYPE STRING,
ROLL_PRICE TYPE STRING,
IS_QUOTE_DOC TYPE STRING,
PENDING_CDOTE TYPE STRING,
PRICING_ACTION TYPE STRING,
COND_TYPE TYPE STRING,
FX_FOR_FUTURES TYPE STRING,
FX_FOR_BASIS TYPE STRING,
PRICING_COND TYPE STRING,
PROCESS_WITH_CDOTE TYPE STRING,
DCSID TYPE STRING,
MIC TYPE STRING,
LIFT_WITH_EQUITY TYPE STRING,
LIFT_WITHOUT_EQUITY TYPE STRING,
PRICING_APPROACH TYPE STRING,
BASIS_CUR TYPE STRING,
PRICING_STATUS TYPE STRING,
CANC_BASIS_CUR TYPE STRING,
ROLL_BASIS_CURR TYPE STRING,
ROLL_BASIS_UOM TYPE STRING,
COMPANY_CODE TYPE STRING,
SALES_ORG TYPE STRING,
DIVISION TYPE STRING,
DISTRIBUTION_CHANNEL TYPE STRING,
PURCHASE_ORG TYPE STRING,
CONTRACT_TYPE TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CCAK_S_SEL_FIX_DATA_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_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-LINE_INDEX sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-SUPPRESS_FEES sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-MCODE_REF sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-KEYDATE_REF sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-CURRENT_FUTURE_PRICE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-REF_FUTURE_PRICE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-SPOT_FX_PRICE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-SPOT_FX_PRC_MKT sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-BLENDED_FX_RATE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-ROLL_PRICE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-IS_QUOTE_DOC sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PENDING_CDOTE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PRICING_ACTION sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-COND_TYPE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-FX_FOR_FUTURES sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-FX_FOR_BASIS sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PRICING_COND sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PROCESS_WITH_CDOTE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-DCSID sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-MIC sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-LIFT_WITH_EQUITY sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-LIFT_WITHOUT_EQUITY sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PRICING_APPROACH sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-BASIS_CUR sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PRICING_STATUS sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-CANC_BASIS_CUR sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-ROLL_BASIS_CURR sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-ROLL_BASIS_UOM sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-COMPANY_CODE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-SALES_ORG sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-DIVISION sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-DISTRIBUTION_CHANNEL sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-PURCHASE_ORG sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-CONTRACT_TYPE sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-COUNTRY sy-vline 
WA_/ACCGO/CCAK_S_SEL_FIX_DATA_STR-REGION sy-vline      INTO ld_text SEPARATED BY SPACE.

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