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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CAK_S_OPTITM_DETAILS_DB
*  INTO TABLE @DATA(IT_/ACCGO/CAK_S_OPTITM_DETAILS_DB2).
*--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/CAK_S_OPTITM_DETAILS_DB INDEX 1 INTO DATA(WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CAK_S_OPTITM_DETAILS_DB>-MANDT = 1.
</ACCGO/CAK_S_OPTITM_DETAILS_DB>-TRADINGCONTRACTNUMBER = 1.
</ACCGO/CAK_S_OPTITM_DETAILS_DB>-TRADINGCONTRACTITEM = 1.
</ACCGO/CAK_S_OPTITM_DETAILS_DB>-ACMCONTRACTOPTIONSID = 1.
</ACCGO/CAK_S_OPTITM_DETAILS_DB>-ACMCONTRACTOPTIONSVALUETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSSEQUENCENMBR, sy-vline,
  WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMTRADINGCONTRACTOPTIONSTYPE, sy-vline,
  WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSCROPSEASONID, sy-vline,
  WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTROPTIONSSOURCELOCATION, sy-vline,
  WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-MODEOFTRANSPORT, sy-vline,
  WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTROPTIONSMNSOFTRANSPORT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB 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/CAK_S_OPTITM_DETAILS_DB 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/CAK_S_OPTITM_DETAILS_DB INTO WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB.


*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 TRADINGCONTRACTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-TRADINGCONTRACTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-TRADINGCONTRACTNUMBER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field ACMCONTRACTOPTIONSUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMCONTRACTOPTIONSTIMEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSTIMEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSTIMEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMCONTRACTOPTIONSPREMDISCUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSPREMDISCUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB-ACMCONTRACTOPTIONSPREMDISCUNIT.
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/CAK_S_OPTITM_DETAILS_DB_STR, 
MANDT TYPE STRING,
TRADINGCONTRACTNUMBER TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
ACMCONTRACTOPTIONSID TYPE STRING,
ACMCONTRACTOPTIONSVALUETYPE TYPE STRING,
ACMCONTRACTOPTIONSSEQUENCENMBR TYPE STRING,
ACMTRADINGCONTRACTOPTIONSTYPE TYPE STRING,
ACMCONTRACTOPTIONSCROPSEASONID TYPE STRING,
ACMCONTROPTIONSSOURCELOCATION TYPE STRING,
MODEOFTRANSPORT TYPE STRING,
ACMCONTROPTIONSMNSOFTRANSPORT TYPE STRING,
ACMCONTRACTOPTIONSVALUE TYPE STRING,
ACMCONTRACTOPTIONSUNIT TYPE STRING,
ACMCONTRACTOPTIONSTIMEUNIT TYPE STRING,
DURATIONUNITNAME TYPE STRING,
ACMCONTRACTOPTIONSPREMDISCTYPE TYPE STRING,
ACMCONTRACTOPTIONSPREMDISCVAL TYPE STRING,
ACMCONTRACTOPTIONSPREMDISCCRCY TYPE STRING,
ACMCONTRACTOPTIONSPREMDISCQTY TYPE STRING,
ACMCONTRACTOPTIONSPREMDISCUNIT TYPE STRING,
ACMISDEFAULTCONTRACTOPTIONS TYPE STRING,
ACMCONTRACTOPTIONSCATEGORYNAME TYPE STRING,
ACMCROPSEASONTEXT TYPE STRING,
ACMCONTRACTOPTIONSTYPENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_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/CAK_S_OPTITM_DETAILS_DB_STR-MANDT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-TRADINGCONTRACTNUMBER sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-TRADINGCONTRACTITEM sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSID sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSVALUETYPE sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSSEQUENCENMBR sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMTRADINGCONTRACTOPTIONSTYPE sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSCROPSEASONID sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTROPTIONSSOURCELOCATION sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-MODEOFTRANSPORT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTROPTIONSMNSOFTRANSPORT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSVALUE sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSUNIT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSTIMEUNIT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-DURATIONUNITNAME sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSPREMDISCTYPE sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSPREMDISCVAL sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSPREMDISCCRCY sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSPREMDISCQTY sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSPREMDISCUNIT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMISDEFAULTCONTRACTOPTIONS sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSCATEGORYNAME sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCROPSEASONTEXT sy-vline 
WA_/ACCGO/CAK_S_OPTITM_DETAILS_DB_STR-ACMCONTRACTOPTIONSTYPENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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