ABAP Select data from SAP table KPC_PROJECT_COST_LEDGER_ACCOU2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP KPC_PROJECT_COST_LEDGER_ACCOU2 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 KPC_PROJECT_COST_LEDGER_ACCOU2. 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 KPC_PROJECT_COST_LEDGER_ACCOU2 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_KPC_PROJECT_COST_LEDGER_ACCOU2 TYPE STANDARD TABLE OF KPC_PROJECT_COST_LEDGER_ACCOU2,
      WA_KPC_PROJECT_COST_LEDGER_ACCOU2 TYPE KPC_PROJECT_COST_LEDGER_ACCOU2,
      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: <KPC_PROJECT_COST_LEDGER_ACCOU2> TYPE KPC_PROJECT_COST_LEDGER_ACCOU2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_KPC_PROJECT_COST_LEDGER_ACCOU2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM KPC_PROJECT_COST_LEDGER_ACCOU2
  INTO TABLE IT_KPC_PROJECT_COST_LEDGER_ACCOU2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM KPC_PROJECT_COST_LEDGER_ACCOU2
*  INTO TABLE @DATA(IT_KPC_PROJECT_COST_LEDGER_ACCOU22).
*--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_KPC_PROJECT_COST_LEDGER_ACCOU2 INDEX 1 INTO DATA(WA_KPC_PROJECT_COST_LEDGER_ACCOU22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_KPC_PROJECT_COST_LEDGER_ACCOU2 ASSIGNING <KPC_PROJECT_COST_LEDGER_ACCOU2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<KPC_PROJECT_COST_LEDGER_ACCOU2>-CONTROLLER = 1.
<KPC_PROJECT_COST_LEDGER_ACCOU2>-PROJECT_COST_LEDGER_ACCOUNT_ER = 1.
<KPC_PROJECT_COST_LEDGER_ACCOU2>-CONTROLLER = 1.
<KPC_PROJECT_COST_LEDGER_ACCOU2>-PROJECT_COST_LEDGER_ACCOUNT = 1.
<KPC_PROJECT_COST_LEDGER_ACCOU2>-PROCESSING_CONDITIONS = 1.

ENDLOOP.

LOOP AT IT_KPC_PROJECT_COST_LEDGER_ACCOU2 INTO WA_KPC_PROJECT_COST_LEDGER_ACCOU2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_KPC_PROJECT_COST_LEDGER_ACCOU2-CONTROLLER, sy-vline,
  WA_KPC_PROJECT_COST_LEDGER_ACCOU2-RETURNED_QUERY_HITS_NUMBER_VAL, sy-vline,
  WA_KPC_PROJECT_COST_LEDGER_ACCOU2-MORE_HITS_AVAILABLE_INDICATOR, sy-vline,
  WA_KPC_PROJECT_COST_LEDGER_ACCOU2-LAST_RETURNED_OBJECT_ID, sy-vline,
  WA_KPC_PROJECT_COST_LEDGER_ACCOU2-CONTROLLER, sy-vline,
  WA_KPC_PROJECT_COST_LEDGER_ACCOU2-SCHEME_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_KPC_PROJECT_COST_LEDGER_ACCOU2 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_KPC_PROJECT_COST_LEDGER_ACCOU2 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_KPC_PROJECT_COST_LEDGER_ACCOU2 INTO WA_KPC_PROJECT_COST_LEDGER_ACCOU2.


*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_KPC_PROJECT_COST_LEDGER_ACCOU2_STR, 
CONTROLLER TYPE STRING,
PROJECT_COST_LEDGER_ACCOUNT_ER TYPE STRING,
CONTROLLER TYPE STRING,
PROJECT_COST_LEDGER_ACCOUNT TYPE STRING,
PROCESSING_CONDITIONS TYPE STRING,
CONTROLLER TYPE STRING,
RETURNED_QUERY_HITS_NUMBER_VAL TYPE STRING,
MORE_HITS_AVAILABLE_INDICATOR TYPE STRING,
LAST_RETURNED_OBJECT_ID TYPE STRING,
CONTROLLER TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_VERSION_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
LOG TYPE STRING,
CONTROLLER TYPE STRING,
BUSINESS_DOCUMENT_PROCESSING_R TYPE STRING,
MAXIMUM_LOG_ITEM_SEVERITY_CODE TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_KPC_PROJECT_COST_LEDGER_ACCOU2_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_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTROLLER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-PROJECT_COST_LEDGER_ACCOUNT_ER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTROLLER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-PROJECT_COST_LEDGER_ACCOUNT sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-PROCESSING_CONDITIONS sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTROLLER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-RETURNED_QUERY_HITS_NUMBER_VAL sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-MORE_HITS_AVAILABLE_INDICATOR sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-LAST_RETURNED_OBJECT_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTROLLER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-SCHEME_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-SCHEME_VERSION_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-SCHEME_AGENCY_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-SCHEME_AGENCY_SCHEME_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTENT sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-LOG sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-CONTROLLER sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-BUSINESS_DOCUMENT_PROCESSING_R sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-MAXIMUM_LOG_ITEM_SEVERITY_CODE sy-vline 
WA_KPC_PROJECT_COST_LEDGER_ACCOU2_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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