ABAP Select data from SAP table REIS_REBUILDING_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REIS_REBUILDING_ATTR
*  INTO TABLE @DATA(IT_REIS_REBUILDING_ATTR2).
*--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_REIS_REBUILDING_ATTR INDEX 1 INTO DATA(WA_REIS_REBUILDING_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REIS_REBUILDING_ATTR>-OBJNR = 1.
<REIS_REBUILDING_ATTR>-BUKRS = 1.
<REIS_REBUILDING_ATTR>-SWENR = 1.
<REIS_REBUILDING_ATTR>-SGENR = 1.
<REIS_REBUILDING_ATTR>-KEYDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REIS_REBUILDING_ATTR-RGEBART, sy-vline,
  WA_REIS_REBUILDING_ATTR-JERBBAU, sy-vline,
  WA_REIS_REBUILDING_ATTR-RGEBZUST, sy-vline,
  WA_REIS_REBUILDING_ATTR-YBAUJAHR, sy-vline,
  WA_REIS_REBUILDING_ATTR-YMODERN, sy-vline,
  WA_REIS_REBUILDING_ATTR-BBAUWAKT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REIS_REBUILDING_ATTR 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_REIS_REBUILDING_ATTR 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_REIS_REBUILDING_ATTR INTO WA_REIS_REBUILDING_ATTR.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_REBUILDING_ATTR-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_REBUILDING_ATTR-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field SGENR
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_REIS_REBUILDING_ATTR-SGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_REBUILDING_ATTR-SGENR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_REBUILDING_ATTR-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_REBUILDING_ATTR-VALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field DATETO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_REBUILDING_ATTR-DATETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_REBUILDING_ATTR-DATETO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field REALVALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_REBUILDING_ATTR-REALVALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_REBUILDING_ATTR-REALVALIDTO.
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_REIS_REBUILDING_ATTR_STR, 
OBJNR TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGENR TYPE STRING,
KEYDATE TYPE STRING,
RGEBART TYPE STRING,
JERBBAU TYPE STRING,
RGEBZUST TYPE STRING,
YBAUJAHR TYPE STRING,
YMODERN TYPE STRING,
BBAUWAKT TYPE STRING,
JDENKMAL TYPE STRING,
BEINHEITW TYPE STRING,
NEINHEITW TYPE STRING,
BVERSWRT TYPE STRING,
SUNUTZA TYPE STRING,
SSTDORT TYPE STRING,
WAERS TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
PRCTR TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
POST_CODE1 TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
POSTALAREA TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
POST_CODE2 TYPE STRING,
PO_BOX TYPE STRING,
ADRZUS TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
DATEFROM TYPE STRING,
DATETO TYPE STRING,
AVAIL TYPE STRING,
OCCUP TYPE STRING,
BWSTRES1 TYPE STRING,
BWSTRES2 TYPE STRING,
BWSTREU1 TYPE STRING,
BWSTREU2 TYPE STRING,
BWSTREU3 TYPE STRING,
BWSTREU4 TYPE STRING,
BWSTREU5 TYPE STRING,
RESPONSIBLE TYPE STRING,
AUTHGRP TYPE STRING,
REALVALIDFROM TYPE STRING,
REALVALIDTO TYPE STRING,
BBAUWAKTX TYPE STRING,
BEINHEITWX TYPE STRING,
BVERSWRTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REIS_REBUILDING_ATTR_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_REIS_REBUILDING_ATTR_STR-OBJNR sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BUKRS sy-vline 
WA_REIS_REBUILDING_ATTR_STR-SWENR sy-vline 
WA_REIS_REBUILDING_ATTR_STR-SGENR sy-vline 
WA_REIS_REBUILDING_ATTR_STR-KEYDATE sy-vline 
WA_REIS_REBUILDING_ATTR_STR-RGEBART sy-vline 
WA_REIS_REBUILDING_ATTR_STR-JERBBAU sy-vline 
WA_REIS_REBUILDING_ATTR_STR-RGEBZUST sy-vline 
WA_REIS_REBUILDING_ATTR_STR-YBAUJAHR sy-vline 
WA_REIS_REBUILDING_ATTR_STR-YMODERN sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BBAUWAKT sy-vline 
WA_REIS_REBUILDING_ATTR_STR-JDENKMAL sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BEINHEITW sy-vline 
WA_REIS_REBUILDING_ATTR_STR-NEINHEITW sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BVERSWRT sy-vline 
WA_REIS_REBUILDING_ATTR_STR-SUNUTZA sy-vline 
WA_REIS_REBUILDING_ATTR_STR-SSTDORT sy-vline 
WA_REIS_REBUILDING_ATTR_STR-WAERS sy-vline 
WA_REIS_REBUILDING_ATTR_STR-GSBER sy-vline 
WA_REIS_REBUILDING_ATTR_STR-KOKRS sy-vline 
WA_REIS_REBUILDING_ATTR_STR-PRCTR sy-vline 
WA_REIS_REBUILDING_ATTR_STR-COUNTRY sy-vline 
WA_REIS_REBUILDING_ATTR_STR-REGION sy-vline 
WA_REIS_REBUILDING_ATTR_STR-POST_CODE1 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-CITY1 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-CITY2 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-POSTALAREA sy-vline 
WA_REIS_REBUILDING_ATTR_STR-STREET sy-vline 
WA_REIS_REBUILDING_ATTR_STR-HOUSE_NUM1 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-HOUSE_NUM2 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-POST_CODE2 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-PO_BOX sy-vline 
WA_REIS_REBUILDING_ATTR_STR-ADRZUS sy-vline 
WA_REIS_REBUILDING_ATTR_STR-VALIDFROM sy-vline 
WA_REIS_REBUILDING_ATTR_STR-VALIDTO sy-vline 
WA_REIS_REBUILDING_ATTR_STR-DATEFROM sy-vline 
WA_REIS_REBUILDING_ATTR_STR-DATETO sy-vline 
WA_REIS_REBUILDING_ATTR_STR-AVAIL sy-vline 
WA_REIS_REBUILDING_ATTR_STR-OCCUP sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTRES1 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTRES2 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTREU1 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTREU2 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTREU3 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTREU4 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BWSTREU5 sy-vline 
WA_REIS_REBUILDING_ATTR_STR-RESPONSIBLE sy-vline 
WA_REIS_REBUILDING_ATTR_STR-AUTHGRP sy-vline 
WA_REIS_REBUILDING_ATTR_STR-REALVALIDFROM sy-vline 
WA_REIS_REBUILDING_ATTR_STR-REALVALIDTO sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BBAUWAKTX sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BEINHEITWX sy-vline 
WA_REIS_REBUILDING_ATTR_STR-BVERSWRTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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