ABAP Select data from SAP table ESH_U_BUDGETITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_U_BUDGETITEM
*  INTO TABLE @DATA(IT_ESH_U_BUDGETITEM2).
*--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_ESH_U_BUDGETITEM INDEX 1 INTO DATA(WA_ESH_U_BUDGETITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_U_BUDGETITEM>-MANDT = 1.
<ESH_U_BUDGETITEM>-BUDGETDOCUMENT = 1.
<ESH_U_BUDGETITEM>-BUDGETDOCUMENTITEM = 1.
<ESH_U_BUDGETITEM>-BUDGETDOCUMENTYEAR = 1.
<ESH_U_BUDGETITEM>-CONTROLLINGAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_U_BUDGETITEM-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_ESH_U_BUDGETITEM-BUDGETINGTYPE, sy-vline,
  WA_ESH_U_BUDGETITEM-BUDGETPERIOD, sy-vline,
  WA_ESH_U_BUDGETITEM-BUDGETPROCESS, sy-vline,
  WA_ESH_U_BUDGETITEM-COMPANYCODE, sy-vline,
  WA_ESH_U_BUDGETITEM-COSTCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_U_BUDGETITEM 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_ESH_U_BUDGETITEM 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_ESH_U_BUDGETITEM INTO WA_ESH_U_BUDGETITEM.


*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 BUDGETDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_BUDGETITEM-BUDGETDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_BUDGETITEM-BUDGETDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BUDGETDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_BUDGETITEM-BUDGETDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_BUDGETITEM-BUDGETDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_U_BUDGETITEM-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_U_BUDGETITEM-PROFITCENTER.
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_ESH_U_BUDGETITEM_STR, 
MANDT TYPE STRING,
BUDGETDOCUMENT TYPE STRING,
BUDGETDOCUMENTITEM TYPE STRING,
BUDGETDOCUMENTYEAR TYPE STRING,
CONTROLLINGAREA TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
BUDGETINGTYPE TYPE STRING,
BUDGETPERIOD TYPE STRING,
BUDGETPROCESS TYPE STRING,
COMPANYCODE TYPE STRING,
COSTCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
FUND TYPE STRING,
FUNDAUTHZNGRP TYPE STRING,
GLACCOUNT TYPE STRING,
GRANTID TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
PLANNINGCATEGORYUSAGE TYPE STRING,
PROFITCENTER TYPE STRING,
PROJECT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
WBSELEMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_U_BUDGETITEM_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_ESH_U_BUDGETITEM_STR-MANDT sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETDOCUMENT sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETDOCUMENTITEM sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETDOCUMENTYEAR sy-vline 
WA_ESH_U_BUDGETITEM_STR-CONTROLLINGAREA sy-vline 
WA_ESH_U_BUDGETITEM_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETINGTYPE sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETPERIOD sy-vline 
WA_ESH_U_BUDGETITEM_STR-BUDGETPROCESS sy-vline 
WA_ESH_U_BUDGETITEM_STR-COMPANYCODE sy-vline 
WA_ESH_U_BUDGETITEM_STR-COSTCENTER sy-vline 
WA_ESH_U_BUDGETITEM_STR-FUNCTIONALAREA sy-vline 
WA_ESH_U_BUDGETITEM_STR-FUND sy-vline 
WA_ESH_U_BUDGETITEM_STR-FUNDAUTHZNGRP sy-vline 
WA_ESH_U_BUDGETITEM_STR-GLACCOUNT sy-vline 
WA_ESH_U_BUDGETITEM_STR-GRANTID sy-vline 
WA_ESH_U_BUDGETITEM_STR-PLANNINGCATEGORY sy-vline 
WA_ESH_U_BUDGETITEM_STR-PLANNINGCATEGORYUSAGE sy-vline 
WA_ESH_U_BUDGETITEM_STR-PROFITCENTER sy-vline 
WA_ESH_U_BUDGETITEM_STR-PROJECT sy-vline 
WA_ESH_U_BUDGETITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_ESH_U_BUDGETITEM_STR-WBSELEMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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