ABAP Select data from SAP table T77PADRU_OGRN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T77PADRU_OGRN 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 T77PADRU_OGRN. 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 T77PADRU_OGRN 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_T77PADRU_OGRN TYPE STANDARD TABLE OF T77PADRU_OGRN,
      WA_T77PADRU_OGRN TYPE T77PADRU_OGRN,
      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: <T77PADRU_OGRN> TYPE T77PADRU_OGRN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T77PADRU_OGRN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T77PADRU_OGRN
  INTO TABLE IT_T77PADRU_OGRN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T77PADRU_OGRN
*  INTO TABLE @DATA(IT_T77PADRU_OGRN2).
*--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_T77PADRU_OGRN INDEX 1 INTO DATA(WA_T77PADRU_OGRN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T77PADRU_OGRN ASSIGNING <T77PADRU_OGRN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T77PADRU_OGRN>-MANDT = 1.
<T77PADRU_OGRN>-KOGRN = 1.
<T77PADRU_OGRN>-SEQNR = 1.
<T77PADRU_OGRN>-ENDDA = 1.
<T77PADRU_OGRN>-BEGDA = 1.

ENDLOOP.

LOOP AT IT_T77PADRU_OGRN INTO WA_T77PADRU_OGRN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T77PADRU_OGRN-KTEXT, sy-vline,
  WA_T77PADRU_OGRN-LAND1, sy-vline,
  WA_T77PADRU_OGRN-REGIO, sy-vline,
  WA_T77PADRU_OGRN-COUNC, sy-vline,
  WA_T77PADRU_OGRN-PSTLZ, sy-vline,
  WA_T77PADRU_OGRN-KCITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T77PADRU_OGRN 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_T77PADRU_OGRN 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_T77PADRU_OGRN INTO WA_T77PADRU_OGRN.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_T77PADRU_OGRN_STR, 
MANDT TYPE STRING,
KOGRN TYPE STRING,
SEQNR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
KTEXT TYPE STRING,
LAND1 TYPE STRING,
REGIO TYPE STRING,
COUNC TYPE STRING,
PSTLZ TYPE STRING,
KCITY TYPE STRING,
NCITY TYPE STRING,
ICITY TYPE STRING,
KDIST TYPE STRING,
NDIST TYPE STRING,
IDIST TYPE STRING,
KSTRT TYPE STRING,
NSTRT TYPE STRING,
ISTRT TYPE STRING,
HOUSE TYPE STRING,
BLDNG TYPE STRING,
FLOOR TYPE STRING,
POSTA TYPE STRING,
CRTAC TYPE STRING,
PLANCODE TYPE STRING,
PLANSOCR TYPE STRING,
PLANNAME TYPE STRING,
REGIONNAME TYPE STRING,
REGIONSOCR TYPE STRING,
AREANAME TYPE STRING,
AREASOCR TYPE STRING,
STRUCNUM TYPE STRING,
ESTSTATNAME TYPE STRING,
STRSTATNAME TYPE STRING,
ESTSTATID TYPE STRING,
STRSTATID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T77PADRU_OGRN_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_T77PADRU_OGRN_STR-MANDT sy-vline 
WA_T77PADRU_OGRN_STR-KOGRN sy-vline 
WA_T77PADRU_OGRN_STR-SEQNR sy-vline 
WA_T77PADRU_OGRN_STR-ENDDA sy-vline 
WA_T77PADRU_OGRN_STR-BEGDA sy-vline 
WA_T77PADRU_OGRN_STR-KTEXT sy-vline 
WA_T77PADRU_OGRN_STR-LAND1 sy-vline 
WA_T77PADRU_OGRN_STR-REGIO sy-vline 
WA_T77PADRU_OGRN_STR-COUNC sy-vline 
WA_T77PADRU_OGRN_STR-PSTLZ sy-vline 
WA_T77PADRU_OGRN_STR-KCITY sy-vline 
WA_T77PADRU_OGRN_STR-NCITY sy-vline 
WA_T77PADRU_OGRN_STR-ICITY sy-vline 
WA_T77PADRU_OGRN_STR-KDIST sy-vline 
WA_T77PADRU_OGRN_STR-NDIST sy-vline 
WA_T77PADRU_OGRN_STR-IDIST sy-vline 
WA_T77PADRU_OGRN_STR-KSTRT sy-vline 
WA_T77PADRU_OGRN_STR-NSTRT sy-vline 
WA_T77PADRU_OGRN_STR-ISTRT sy-vline 
WA_T77PADRU_OGRN_STR-HOUSE sy-vline 
WA_T77PADRU_OGRN_STR-BLDNG sy-vline 
WA_T77PADRU_OGRN_STR-FLOOR sy-vline 
WA_T77PADRU_OGRN_STR-POSTA sy-vline 
WA_T77PADRU_OGRN_STR-CRTAC sy-vline 
WA_T77PADRU_OGRN_STR-PLANCODE sy-vline 
WA_T77PADRU_OGRN_STR-PLANSOCR sy-vline 
WA_T77PADRU_OGRN_STR-PLANNAME sy-vline 
WA_T77PADRU_OGRN_STR-REGIONNAME sy-vline 
WA_T77PADRU_OGRN_STR-REGIONSOCR sy-vline 
WA_T77PADRU_OGRN_STR-AREANAME sy-vline 
WA_T77PADRU_OGRN_STR-AREASOCR sy-vline 
WA_T77PADRU_OGRN_STR-STRUCNUM sy-vline 
WA_T77PADRU_OGRN_STR-ESTSTATNAME sy-vline 
WA_T77PADRU_OGRN_STR-STRSTATNAME sy-vline 
WA_T77PADRU_OGRN_STR-ESTSTATID sy-vline 
WA_T77PADRU_OGRN_STR-STRSTATID sy-vline      INTO ld_text SEPARATED BY SPACE.

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