ABAP Select data from SAP table IREBUILDING into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IREBUILDING 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 IREBUILDING. 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 IREBUILDING 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_IREBUILDING TYPE STANDARD TABLE OF IREBUILDING,
      WA_IREBUILDING TYPE IREBUILDING,
      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: <IREBUILDING> TYPE IREBUILDING.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IREBUILDING
*  INTO TABLE @DATA(IT_IREBUILDING2).
*--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_IREBUILDING INDEX 1 INTO DATA(WA_IREBUILDING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IREBUILDING>-MANDT = 1.
<IREBUILDING>-INTERNALREALESTATENUMBER = 1.
<IREBUILDING>-COMPANYCODE = 1.
<IREBUILDING>-REBUSINESSENTITY = 1.
<IREBUILDING>-REALESTATEBUILDING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IREBUILDING-RESTATUSOBJECT, sy-vline,
  WA_IREBUILDING-REINTERNALFINNUMBER, sy-vline,
  WA_IREBUILDING-RECREATIONTYPE, sy-vline,
  WA_IREBUILDING-CREATEDBYUSER, sy-vline,
  WA_IREBUILDING-CREATIONDATE, sy-vline,
  WA_IREBUILDING-CREATIONTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IREBUILDING 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_IREBUILDING 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_IREBUILDING INTO WA_IREBUILDING.


*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 RECUBICUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IREBUILDING-RECUBICUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IREBUILDING-RECUBICUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field RELISTOFRENTS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IREBUILDING-RELISTOFRENTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IREBUILDING-RELISTOFRENTS.
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_IREBUILDING_STR, 
MANDT TYPE STRING,
INTERNALREALESTATENUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
REBUSINESSENTITY TYPE STRING,
REALESTATEBUILDING TYPE STRING,
RESTATUSOBJECT TYPE STRING,
REINTERNALFINNUMBER TYPE STRING,
RECREATIONTYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
RESOURCEOFCREATION TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGETIME TYPE STRING,
RESOURCEOFCHANGE TYPE STRING,
RESPONSIBLE TYPE STRING,
REUSEREXCLUSIVE TYPE STRING,
REAUTHORIZATIONGROUP TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
REBUILDINGNAME TYPE STRING,
CURRENCY TYPE STRING,
RECUBICUNIT TYPE STRING,
REBUILDINGTYPE TYPE STRING,
REHERITABLEBUILDINGRIGHT TYPE STRING,
REBUILDINGSTATUS TYPE STRING,
RECONSTRUCTIONDATE TYPE STRING,
REMODERNIZATIONDATE TYPE STRING,
RERECONSTRUCTIONDATE TYPE STRING,
RECONSTRUCTIONSTARTDATE TYPE STRING,
REESTIMATEDCONSTRUCTIONCOST TYPE STRING,
RECURRENTBUILDINGPRICE TYPE STRING,
REPERCUBICMETERCOST TYPE STRING,
REBUILDINGPERMITDATE TYPE STRING,
BUILDINGPERMITNOTE TYPE STRING,
REREADYFOROCCUPANCYDATE TYPE STRING,
RECOMPLETIONDATE TYPE STRING,
REFINALINSPECTIONDATE TYPE STRING,
ISPROTECTEDHISTORICALSITE TYPE STRING,
REPLANNINGINQUIRYDATE TYPE STRING,
REPRIORNOTICEDATE TYPE STRING,
REBUILDINGPERMITAPPLDATE TYPE STRING,
REASSESSEDBUILDINGPRICE TYPE STRING,
REDTMNDASSESSEDVALUEYEAR TYPE STRING,
REINSURABLEFIREDAMAGEAMOUNT TYPE STRING,
REINSURANCEVALUETYPE TYPE STRING,
REECONOMICTRANSFERDATE TYPE STRING,
RESALEDATE TYPE STRING,
REPLANNEDSALEDATE TYPE STRING,
REPLANNEDENDOFUSAGEDATE TYPE STRING,
REPUBLICFUNDINGSTARTDATE TYPE STRING,
REPUBLICFUNDINGENDDATE TYPE STRING,
NUMBEROFFLOORS TYPE STRING,
REMAINUSAGETYPE TYPE STRING,
HIGHESTFLOOR TYPE STRING,
ELEVATORTOFLOOR TYPE STRING,
NUMBEROFBASEMENTS TYPE STRING,
RELISTOFRENTSLOCATIONCLASS TYPE STRING,
RELISTOFRENTSISUSED TYPE STRING,
REMUNICIPALITYKEY TYPE STRING,
RECUROCCUPANCYPRINCIPLEISUSED TYPE STRING,
REFUNCTIONOFOBJECT TYPE STRING,
RELISTOFRENTS TYPE STRING,
REALESTATEOBJECTTYPE TYPE STRING,
REIDENTIFICATIONKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IREBUILDING_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_IREBUILDING_STR-MANDT sy-vline 
WA_IREBUILDING_STR-INTERNALREALESTATENUMBER sy-vline 
WA_IREBUILDING_STR-COMPANYCODE sy-vline 
WA_IREBUILDING_STR-REBUSINESSENTITY sy-vline 
WA_IREBUILDING_STR-REALESTATEBUILDING sy-vline 
WA_IREBUILDING_STR-RESTATUSOBJECT sy-vline 
WA_IREBUILDING_STR-REINTERNALFINNUMBER sy-vline 
WA_IREBUILDING_STR-RECREATIONTYPE sy-vline 
WA_IREBUILDING_STR-CREATEDBYUSER sy-vline 
WA_IREBUILDING_STR-CREATIONDATE sy-vline 
WA_IREBUILDING_STR-CREATIONTIME sy-vline 
WA_IREBUILDING_STR-RESOURCEOFCREATION sy-vline 
WA_IREBUILDING_STR-LASTCHANGEDBYUSER sy-vline 
WA_IREBUILDING_STR-LASTCHANGEDATE sy-vline 
WA_IREBUILDING_STR-LASTCHANGETIME sy-vline 
WA_IREBUILDING_STR-RESOURCEOFCHANGE sy-vline 
WA_IREBUILDING_STR-RESPONSIBLE sy-vline 
WA_IREBUILDING_STR-REUSEREXCLUSIVE sy-vline 
WA_IREBUILDING_STR-REAUTHORIZATIONGROUP sy-vline 
WA_IREBUILDING_STR-VALIDITYSTARTDATE sy-vline 
WA_IREBUILDING_STR-VALIDITYENDDATE sy-vline 
WA_IREBUILDING_STR-REBUILDINGNAME sy-vline 
WA_IREBUILDING_STR-CURRENCY sy-vline 
WA_IREBUILDING_STR-RECUBICUNIT sy-vline 
WA_IREBUILDING_STR-REBUILDINGTYPE sy-vline 
WA_IREBUILDING_STR-REHERITABLEBUILDINGRIGHT sy-vline 
WA_IREBUILDING_STR-REBUILDINGSTATUS sy-vline 
WA_IREBUILDING_STR-RECONSTRUCTIONDATE sy-vline 
WA_IREBUILDING_STR-REMODERNIZATIONDATE sy-vline 
WA_IREBUILDING_STR-RERECONSTRUCTIONDATE sy-vline 
WA_IREBUILDING_STR-RECONSTRUCTIONSTARTDATE sy-vline 
WA_IREBUILDING_STR-REESTIMATEDCONSTRUCTIONCOST sy-vline 
WA_IREBUILDING_STR-RECURRENTBUILDINGPRICE sy-vline 
WA_IREBUILDING_STR-REPERCUBICMETERCOST sy-vline 
WA_IREBUILDING_STR-REBUILDINGPERMITDATE sy-vline 
WA_IREBUILDING_STR-BUILDINGPERMITNOTE sy-vline 
WA_IREBUILDING_STR-REREADYFOROCCUPANCYDATE sy-vline 
WA_IREBUILDING_STR-RECOMPLETIONDATE sy-vline 
WA_IREBUILDING_STR-REFINALINSPECTIONDATE sy-vline 
WA_IREBUILDING_STR-ISPROTECTEDHISTORICALSITE sy-vline 
WA_IREBUILDING_STR-REPLANNINGINQUIRYDATE sy-vline 
WA_IREBUILDING_STR-REPRIORNOTICEDATE sy-vline 
WA_IREBUILDING_STR-REBUILDINGPERMITAPPLDATE sy-vline 
WA_IREBUILDING_STR-REASSESSEDBUILDINGPRICE sy-vline 
WA_IREBUILDING_STR-REDTMNDASSESSEDVALUEYEAR sy-vline 
WA_IREBUILDING_STR-REINSURABLEFIREDAMAGEAMOUNT sy-vline 
WA_IREBUILDING_STR-REINSURANCEVALUETYPE sy-vline 
WA_IREBUILDING_STR-REECONOMICTRANSFERDATE sy-vline 
WA_IREBUILDING_STR-RESALEDATE sy-vline 
WA_IREBUILDING_STR-REPLANNEDSALEDATE sy-vline 
WA_IREBUILDING_STR-REPLANNEDENDOFUSAGEDATE sy-vline 
WA_IREBUILDING_STR-REPUBLICFUNDINGSTARTDATE sy-vline 
WA_IREBUILDING_STR-REPUBLICFUNDINGENDDATE sy-vline 
WA_IREBUILDING_STR-NUMBEROFFLOORS sy-vline 
WA_IREBUILDING_STR-REMAINUSAGETYPE sy-vline 
WA_IREBUILDING_STR-HIGHESTFLOOR sy-vline 
WA_IREBUILDING_STR-ELEVATORTOFLOOR sy-vline 
WA_IREBUILDING_STR-NUMBEROFBASEMENTS sy-vline 
WA_IREBUILDING_STR-RELISTOFRENTSLOCATIONCLASS sy-vline 
WA_IREBUILDING_STR-RELISTOFRENTSISUSED sy-vline 
WA_IREBUILDING_STR-REMUNICIPALITYKEY sy-vline 
WA_IREBUILDING_STR-RECUROCCUPANCYPRINCIPLEISUSED sy-vline 
WA_IREBUILDING_STR-REFUNCTIONOFOBJECT sy-vline 
WA_IREBUILDING_STR-RELISTOFRENTS sy-vline 
WA_IREBUILDING_STR-REALESTATEOBJECTTYPE sy-vline 
WA_IREBUILDING_STR-REIDENTIFICATIONKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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