ABAP Select data from SAP table FAA_S_MD_MIG_REAL_ESTATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAA_S_MD_MIG_REAL_ESTATE
*  INTO TABLE @DATA(IT_FAA_S_MD_MIG_REAL_ESTATE2).
*--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_FAA_S_MD_MIG_REAL_ESTATE INDEX 1 INTO DATA(WA_FAA_S_MD_MIG_REAL_ESTATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAA_S_MD_MIG_REAL_ESTATE>-LOCALTAXOFFICE = 1.
<FAA_S_MD_MIG_REAL_ESTATE>-NOTICEOFASSESSMENTTAXID = 1.
<FAA_S_MD_MIG_REAL_ESTATE>-LASTASSESSMENTNOTICEDATE = 1.
<FAA_S_MD_MIG_REAL_ESTATE>-MUNICIPALITY = 1.
<FAA_S_MD_MIG_REAL_ESTATE>-LANDREGISTERDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAA_S_MD_MIG_REAL_ESTATE-LANDREGISTERENTRYSEQUENCE, sy-vline,
  WA_FAA_S_MD_MIG_REAL_ESTATE-LANDREGISTERENTRYDATE, sy-vline,
  WA_FAA_S_MD_MIG_REAL_ESTATE-LANDREGISTERVOLUME, sy-vline,
  WA_FAA_S_MD_MIG_REAL_ESTATE-LANDREGISTERPAGE, sy-vline,
  WA_FAA_S_MD_MIG_REAL_ESTATE-LANDREGISTERMAP, sy-vline,
  WA_FAA_S_MD_MIG_REAL_ESTATE-LANDPLOT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAA_S_MD_MIG_REAL_ESTATE 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_FAA_S_MD_MIG_REAL_ESTATE 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_FAA_S_MD_MIG_REAL_ESTATE INTO WA_FAA_S_MD_MIG_REAL_ESTATE.


*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 CUNIT, internal->external for field AREASIZEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FAA_S_MD_MIG_REAL_ESTATE-AREASIZEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAA_S_MD_MIG_REAL_ESTATE-AREASIZEUNIT.
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_FAA_S_MD_MIG_REAL_ESTATE_STR, 
LOCALTAXOFFICE TYPE STRING,
NOTICEOFASSESSMENTTAXID TYPE STRING,
LASTASSESSMENTNOTICEDATE TYPE STRING,
MUNICIPALITY TYPE STRING,
LANDREGISTERDATE TYPE STRING,
LANDREGISTERENTRYSEQUENCE TYPE STRING,
LANDREGISTERENTRYDATE TYPE STRING,
LANDREGISTERVOLUME TYPE STRING,
LANDREGISTERPAGE TYPE STRING,
LANDREGISTERMAP TYPE STRING,
LANDPLOT TYPE STRING,
CONVEYANCEDATE TYPE STRING,
AREASIZE TYPE STRING,
AREASIZEUNIT TYPE STRING,
ASSETISREALESTATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAA_S_MD_MIG_REAL_ESTATE_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_FAA_S_MD_MIG_REAL_ESTATE_STR-LOCALTAXOFFICE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-NOTICEOFASSESSMENTTAXID sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LASTASSESSMENTNOTICEDATE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-MUNICIPALITY sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERDATE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERENTRYSEQUENCE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERENTRYDATE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERVOLUME sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERPAGE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDREGISTERMAP sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-LANDPLOT sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-CONVEYANCEDATE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-AREASIZE sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-AREASIZEUNIT sy-vline 
WA_FAA_S_MD_MIG_REAL_ESTATE_STR-ASSETISREALESTATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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