ABAP Select data from SAP table ISBUDGETDOCUMENTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISBUDGETDOCUMENTTP
*  INTO TABLE @DATA(IT_ISBUDGETDOCUMENTTP2).
*--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_ISBUDGETDOCUMENTTP INDEX 1 INTO DATA(WA_ISBUDGETDOCUMENTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISBUDGETDOCUMENTTP>-KEY = 1.
<ISBUDGETDOCUMENTTP>-PARENT_KEY = 1.
<ISBUDGETDOCUMENTTP>-ROOT_KEY = 1.
<ISBUDGETDOCUMENTTP>-CONTROLLINGAREA = 1.
<ISBUDGETDOCUMENTTP>-BUDGETDOCUMENTYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISBUDGETDOCUMENTTP-BUDGETDOCUMENT, sy-vline,
  WA_ISBUDGETDOCUMENTTP-CONTROLLINGAREAFOREDIT, sy-vline,
  WA_ISBUDGETDOCUMENTTP-BUDGETDOCUMENTYEARFOREDIT, sy-vline,
  WA_ISBUDGETDOCUMENTTP-BUDGETDOCUMENTFOREDIT, sy-vline,
  WA_ISBUDGETDOCUMENTTP-BUDGETDOCUMENTTYPE, sy-vline,
  WA_ISBUDGETDOCUMENTTP-BUDGETCATEGORYUSAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISBUDGETDOCUMENTTP 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_ISBUDGETDOCUMENTTP 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_ISBUDGETDOCUMENTTP INTO WA_ISBUDGETDOCUMENTTP.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field REVERSALREFBUDGETDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISBUDGETDOCUMENTTP-REVERSALREFBUDGETDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISBUDGETDOCUMENTTP-REVERSALREFBUDGETDOCUMENT.
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_ISBUDGETDOCUMENTTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
CONTROLLINGAREA TYPE STRING,
BUDGETDOCUMENTYEAR TYPE STRING,
BUDGETDOCUMENT TYPE STRING,
CONTROLLINGAREAFOREDIT TYPE STRING,
BUDGETDOCUMENTYEARFOREDIT TYPE STRING,
BUDGETDOCUMENTFOREDIT TYPE STRING,
BUDGETDOCUMENTTYPE TYPE STRING,
BUDGETCATEGORYUSAGE TYPE STRING,
BUDGETPROCESSGROUP TYPE STRING,
PLANNINGCATEGORY TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
BUDGETINGRESPONSIBLEPERSONNAME TYPE STRING,
BUDGETDOCUMENTSTATUS TYPE STRING,
BUDGETDOCUMENTDESCRIPTION TYPE STRING,
REVERSALREFBUDGETDOCUMENT TYPE STRING,
REVERSALREASON TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGETIME TYPE STRING,
DOCUMENTLASTCHANGEDDATEANDTIME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISBUDGETDOCUMENTTP_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_ISBUDGETDOCUMENTTP_STR-KEY sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-PARENT_KEY sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-ROOT_KEY sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-CONTROLLINGAREA sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTYEAR sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENT sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-CONTROLLINGAREAFOREDIT sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTYEARFOREDIT sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTFOREDIT sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTTYPE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETCATEGORYUSAGE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETPROCESSGROUP sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-PLANNINGCATEGORY sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-POSTINGDATE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DOCUMENTDATE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETINGRESPONSIBLEPERSONNAME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTSTATUS sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-BUDGETDOCUMENTDESCRIPTION sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-REVERSALREFBUDGETDOCUMENT sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-REVERSALREASON sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-CREATEDBYUSER sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-CREATIONDATE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-CREATIONTIME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-LASTCHANGEDBYUSER sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-LASTCHANGEDATE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-LASTCHANGETIME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DOCUMENTLASTCHANGEDDATEANDTIME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-HASACTIVEENTITY sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISBUDGETDOCUMENTTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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