ABAP Select data from SAP table IJPTAXREALOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IJPTAXREALOC
*  INTO TABLE @DATA(IT_IJPTAXREALOC2).
*--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_IJPTAXREALOC INDEX 1 INTO DATA(WA_IJPTAXREALOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IJPTAXREALOC>-MANDT = 1.
<IJPTAXREALOC>-JP_TAXREALLOCATEUUID = 1.
<IJPTAXREALOC>-CUSTOMERPROJECT = 1.
<IJPTAXREALOC>-SALESORDER = 1.
<IJPTAXREALOC>-SALESORDERITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IJPTAXREALOC-BILLINGPLAN, sy-vline,
  WA_IJPTAXREALOC-BILLINGPLANITEM, sy-vline,
  WA_IJPTAXREALOC-CREATEDBYUSER, sy-vline,
  WA_IJPTAXREALOC-CREATIONDATETIME, sy-vline,
  WA_IJPTAXREALOC-LASTCHANGEDBYUSER, sy-vline,
  WA_IJPTAXREALOC-CHANGEDDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IJPTAXREALOC 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_IJPTAXREALOC 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_IJPTAXREALOC INTO WA_IJPTAXREALOC.


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

*Conversion exit ALPHA, internal->external for field BILLTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IJPTAXREALOC-BILLTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IJPTAXREALOC-BILLTOPARTY.
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_IJPTAXREALOC_STR, 
MANDT TYPE STRING,
JP_TAXREALLOCATEUUID TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
BILLINGPLAN TYPE STRING,
BILLINGPLANITEM TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
CHANGEDDATETIME TYPE STRING,
SALESORGANIZATION TYPE STRING,
BILLTOPARTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IJPTAXREALOC_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_IJPTAXREALOC_STR-MANDT sy-vline 
WA_IJPTAXREALOC_STR-JP_TAXREALLOCATEUUID sy-vline 
WA_IJPTAXREALOC_STR-CUSTOMERPROJECT sy-vline 
WA_IJPTAXREALOC_STR-SALESORDER sy-vline 
WA_IJPTAXREALOC_STR-SALESORDERITEM sy-vline 
WA_IJPTAXREALOC_STR-BILLINGPLAN sy-vline 
WA_IJPTAXREALOC_STR-BILLINGPLANITEM sy-vline 
WA_IJPTAXREALOC_STR-CREATEDBYUSER sy-vline 
WA_IJPTAXREALOC_STR-CREATIONDATETIME sy-vline 
WA_IJPTAXREALOC_STR-LASTCHANGEDBYUSER sy-vline 
WA_IJPTAXREALOC_STR-CHANGEDDATETIME sy-vline 
WA_IJPTAXREALOC_STR-SALESORGANIZATION sy-vline 
WA_IJPTAXREALOC_STR-BILLTOPARTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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