ABAP Select data from SAP table IBRKDWNCAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBRKDWNCAT
*  INTO TABLE @DATA(IT_IBRKDWNCAT2).
*--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_IBRKDWNCAT INDEX 1 INTO DATA(WA_IBRKDWNCAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBRKDWNCAT>-MANDT = 1.
<IBRKDWNCAT>-CONSOLIDATIONCHARTOFACCOUNTS = 1.
<IBRKDWNCAT>-BREAKDOWNCATEGORY = 1.
<IBRKDWNCAT>-SUBITEMCATEGORY = 1.
<IBRKDWNCAT>-SUBITEMISSPECIFY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBRKDWNCAT-CONSOLIDATIONCRCYISSPECIFIED, sy-vline,
  WA_IBRKDWNCAT-SUBITEMISSPECIFIED, sy-vline,
  WA_IBRKDWNCAT-PARTNERCNSLDTNUNITISSPECIFIED, sy-vline,
  WA_IBRKDWNCAT-SETIDENTIFICATIONITEM, sy-vline,
  WA_IBRKDWNCAT-PARTNERSETSUFFIX, sy-vline,
  WA_IBRKDWNCAT-CONSOLIDATIONCURRENCYSETIDN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBRKDWNCAT 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_IBRKDWNCAT 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_IBRKDWNCAT INTO WA_IBRKDWNCAT.


*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_IBRKDWNCAT_STR, 
MANDT TYPE STRING,
CONSOLIDATIONCHARTOFACCOUNTS TYPE STRING,
BREAKDOWNCATEGORY TYPE STRING,
SUBITEMCATEGORY TYPE STRING,
SUBITEMISSPECIFY TYPE STRING,
CONSOLIDATIONCRCYISSPECIFIED TYPE STRING,
SUBITEMISSPECIFIED TYPE STRING,
PARTNERCNSLDTNUNITISSPECIFIED TYPE STRING,
SETIDENTIFICATIONITEM TYPE STRING,
PARTNERSETSUFFIX TYPE STRING,
CONSOLIDATIONCURRENCYSETIDN TYPE STRING,
CONSOLIDATIONACQNYEARSETIDN TYPE STRING,
BREAKDOWNMAXSELECTIONISACTIVE TYPE STRING,
PARTNERUNITBREAKDOWNTYPE TYPE STRING,
PARTNERUNITFIXEDVALUE TYPE STRING,
PARTNERUNITSELECTION TYPE STRING,
TRANSACTIONCRCYBREAKDOWNTYPE TYPE STRING,
TRANSACTIONCURRENCYFIXEDVALUE TYPE STRING,
TRANSACTIONCURRENCYSELECTION TYPE STRING,
SUBITEMCATEGORYBREAKDOWNTYPE TYPE STRING,
SUBITEMCATEGORYFIXEDVALUE TYPE STRING,
SUBITEMCATEGORYSELECTION TYPE STRING,
SUBITEMBREAKDOWNTYPE TYPE STRING,
SUBITEMFIXEDVALUE TYPE STRING,
SUBITEMSELECTION TYPE STRING,
BASEUNITBREAKDOWNTYPE TYPE STRING,
BASEUNITFIXEDVALUE TYPE STRING,
BASEUNITSELECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBRKDWNCAT_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_IBRKDWNCAT_STR-MANDT sy-vline 
WA_IBRKDWNCAT_STR-CONSOLIDATIONCHARTOFACCOUNTS sy-vline 
WA_IBRKDWNCAT_STR-BREAKDOWNCATEGORY sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMCATEGORY sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMISSPECIFY sy-vline 
WA_IBRKDWNCAT_STR-CONSOLIDATIONCRCYISSPECIFIED sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMISSPECIFIED sy-vline 
WA_IBRKDWNCAT_STR-PARTNERCNSLDTNUNITISSPECIFIED sy-vline 
WA_IBRKDWNCAT_STR-SETIDENTIFICATIONITEM sy-vline 
WA_IBRKDWNCAT_STR-PARTNERSETSUFFIX sy-vline 
WA_IBRKDWNCAT_STR-CONSOLIDATIONCURRENCYSETIDN sy-vline 
WA_IBRKDWNCAT_STR-CONSOLIDATIONACQNYEARSETIDN sy-vline 
WA_IBRKDWNCAT_STR-BREAKDOWNMAXSELECTIONISACTIVE sy-vline 
WA_IBRKDWNCAT_STR-PARTNERUNITBREAKDOWNTYPE sy-vline 
WA_IBRKDWNCAT_STR-PARTNERUNITFIXEDVALUE sy-vline 
WA_IBRKDWNCAT_STR-PARTNERUNITSELECTION sy-vline 
WA_IBRKDWNCAT_STR-TRANSACTIONCRCYBREAKDOWNTYPE sy-vline 
WA_IBRKDWNCAT_STR-TRANSACTIONCURRENCYFIXEDVALUE sy-vline 
WA_IBRKDWNCAT_STR-TRANSACTIONCURRENCYSELECTION sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMCATEGORYBREAKDOWNTYPE sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMCATEGORYFIXEDVALUE sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMCATEGORYSELECTION sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMBREAKDOWNTYPE sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMFIXEDVALUE sy-vline 
WA_IBRKDWNCAT_STR-SUBITEMSELECTION sy-vline 
WA_IBRKDWNCAT_STR-BASEUNITBREAKDOWNTYPE sy-vline 
WA_IBRKDWNCAT_STR-BASEUNITFIXEDVALUE sy-vline 
WA_IBRKDWNCAT_STR-BASEUNITSELECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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