ABAP Select data from SAP table PCNCADEGLACCOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCNCADEGLACCOUNT
*  INTO TABLE @DATA(IT_PCNCADEGLACCOUNT2).
*--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_PCNCADEGLACCOUNT INDEX 1 INTO DATA(WA_PCNCADEGLACCOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCNCADEGLACCOUNT>-MANDT = 1.
<PCNCADEGLACCOUNT>-COMPANYCODE = 1.
<PCNCADEGLACCOUNT>-FINANCIALSTATEMENTVARIANT = 1.
<PCNCADEGLACCOUNT>-CHARTOFACCOUNTS = 1.
<PCNCADEGLACCOUNT>-FINANCIALSTATEMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCNCADEGLACCOUNT-GLACCOUNT, sy-vline,
  WA_PCNCADEGLACCOUNT-GLACCOUNTTYPE, sy-vline,
  WA_PCNCADEGLACCOUNT-RECONCILIATIONACCOUNTTYPE, sy-vline,
  WA_PCNCADEGLACCOUNT-GLACCOUNTLENGTH, sy-vline,
  WA_PCNCADEGLACCOUNT-GLACCOUNTNAME, sy-vline,
  WA_PCNCADEGLACCOUNT-GLACCOUNTGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCNCADEGLACCOUNT 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_PCNCADEGLACCOUNT 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_PCNCADEGLACCOUNT INTO WA_PCNCADEGLACCOUNT.


*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 GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCNCADEGLACCOUNT-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNCADEGLACCOUNT-GLACCOUNT.
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_PCNCADEGLACCOUNT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FINANCIALSTATEMENTVARIANT TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
FINANCIALSTATEMENTITEM TYPE STRING,
GLACCOUNT TYPE STRING,
GLACCOUNTTYPE TYPE STRING,
RECONCILIATIONACCOUNTTYPE TYPE STRING,
GLACCOUNTLENGTH TYPE STRING,
GLACCOUNTNAME TYPE STRING,
GLACCOUNTGROUP TYPE STRING,
DEFAULTGLACCOUNTGROUPNAME TYPE STRING,
GLACCOUNTGROUPNAME TYPE STRING,
DEBITCREDITCODE TYPE STRING,
DEFAULTDEBITCREDITCODE TYPE STRING,
FINSTATEMENTITEMDESCRIPTION TYPE STRING,
FSVITEMGLACCOUNTTYPE TYPE STRING,
CN_CADEACCOUNTTYPEINDICATOR TYPE STRING,
GLACCOUNTHIERARCHY TYPE STRING,
ISFINANCIALSTATEMENTITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCNCADEGLACCOUNT_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_PCNCADEGLACCOUNT_STR-MANDT sy-vline 
WA_PCNCADEGLACCOUNT_STR-COMPANYCODE sy-vline 
WA_PCNCADEGLACCOUNT_STR-FINANCIALSTATEMENTVARIANT sy-vline 
WA_PCNCADEGLACCOUNT_STR-CHARTOFACCOUNTS sy-vline 
WA_PCNCADEGLACCOUNT_STR-FINANCIALSTATEMENTITEM sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNT sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTTYPE sy-vline 
WA_PCNCADEGLACCOUNT_STR-RECONCILIATIONACCOUNTTYPE sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTLENGTH sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTNAME sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTGROUP sy-vline 
WA_PCNCADEGLACCOUNT_STR-DEFAULTGLACCOUNTGROUPNAME sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTGROUPNAME sy-vline 
WA_PCNCADEGLACCOUNT_STR-DEBITCREDITCODE sy-vline 
WA_PCNCADEGLACCOUNT_STR-DEFAULTDEBITCREDITCODE sy-vline 
WA_PCNCADEGLACCOUNT_STR-FINSTATEMENTITEMDESCRIPTION sy-vline 
WA_PCNCADEGLACCOUNT_STR-FSVITEMGLACCOUNTTYPE sy-vline 
WA_PCNCADEGLACCOUNT_STR-CN_CADEACCOUNTTYPEINDICATOR sy-vline 
WA_PCNCADEGLACCOUNT_STR-GLACCOUNTHIERARCHY sy-vline 
WA_PCNCADEGLACCOUNT_STR-ISFINANCIALSTATEMENTITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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