ABAP Select data from SAP table /ACCGO/CCAK_S_ITM_DPQS_API 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_ITM_DPQS_API 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_ITM_DPQS_API. 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_ITM_DPQS_API 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_ITM_DPQS_API TYPE STANDARD TABLE OF /ACCGO/CCAK_S_ITM_DPQS_API,
      WA_/ACCGO/CCAK_S_ITM_DPQS_API TYPE /ACCGO/CCAK_S_ITM_DPQS_API,
      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_ITM_DPQS_API> TYPE /ACCGO/CCAK_S_ITM_DPQS_API.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/CCAK_S_ITM_DPQS_API
*  INTO TABLE @DATA(IT_/ACCGO/CCAK_S_ITM_DPQS_API2).
*--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_ITM_DPQS_API INDEX 1 INTO DATA(WA_/ACCGO/CCAK_S_ITM_DPQS_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/CCAK_S_ITM_DPQS_API>-HEADER = 1.
</ACCGO/CCAK_S_ITM_DPQS_API>-TPOSN = 1.
</ACCGO/CCAK_S_ITM_DPQS_API>-SCHEDULE_NAME = 1.
</ACCGO/CCAK_S_ITM_DPQS_API>-VERSION = 1.
</ACCGO/CCAK_S_ITM_DPQS_API>-VALIDITY_VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/CCAK_S_ITM_DPQS_API-TIMING, sy-vline,
  WA_/ACCGO/CCAK_S_ITM_DPQS_API-AT_UNLOAD_LOC, sy-vline,
  WA_/ACCGO/CCAK_S_ITM_DPQS_API-GOV_ANALYSIS, sy-vline,
  WA_/ACCGO/CCAK_S_ITM_DPQS_API-GOV_WEIGHT, sy-vline,
  WA_/ACCGO/CCAK_S_ITM_DPQS_API-GOV_TERM, sy-vline,
  WA_/ACCGO/CCAK_S_ITM_DPQS_API-SCHEDULE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/CCAK_S_ITM_DPQS_API 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_ITM_DPQS_API 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_ITM_DPQS_API INTO WA_/ACCGO/CCAK_S_ITM_DPQS_API.


*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 GOVW1, internal->external for field GOV_WEIGHT
CALL FUNCTION 'CONVERSION_EXIT_GOVW1_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/CCAK_S_ITM_DPQS_API-GOV_WEIGHT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/CCAK_S_ITM_DPQS_API-GOV_WEIGHT.
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_ITM_DPQS_API_STR, 
HEADER TYPE STRING,
TPOSN TYPE STRING,
SCHEDULE_NAME TYPE STRING,
VERSION TYPE STRING,
VALIDITY_VERSION TYPE STRING,
TIMING TYPE STRING,
AT_UNLOAD_LOC TYPE STRING,
GOV_ANALYSIS TYPE STRING,
GOV_WEIGHT TYPE STRING,
GOV_TERM TYPE STRING,
SCHEDULE_ID TYPE STRING,
OV_FLAG TYPE STRING,
UPDKZ TYPE STRING,
SCHEDULE_GUID TYPE STRING,
CHARACTERISTICS TYPE STRING,
CHARACTERISTICS_RANGES TYPE STRING,
CHARACTERISTICS_COMMENTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/CCAK_S_ITM_DPQS_API_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_ITM_DPQS_API_STR-HEADER sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-TPOSN sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-SCHEDULE_NAME sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-VERSION sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-VALIDITY_VERSION sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-TIMING sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-AT_UNLOAD_LOC sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-GOV_ANALYSIS sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-GOV_WEIGHT sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-GOV_TERM sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-SCHEDULE_ID sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-OV_FLAG sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-UPDKZ sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-SCHEDULE_GUID sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-CHARACTERISTICS sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-CHARACTERISTICS_RANGES sy-vline 
WA_/ACCGO/CCAK_S_ITM_DPQS_API_STR-CHARACTERISTICS_COMMENTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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