ABAP Select data from SAP table MDG_BS_BP_AD_POSTAL_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MDG_BS_BP_AD_POSTAL_X
*  INTO TABLE @DATA(IT_MDG_BS_BP_AD_POSTAL_X2).
*--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_MDG_BS_BP_AD_POSTAL_X INDEX 1 INTO DATA(WA_MDG_BS_BP_AD_POSTAL_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MDG_BS_BP_AD_POSTAL_X>-ADDRNO = 1.
<MDG_BS_BP_AD_POSTAL_X>-BP_HEADER = 1.
<MDG_BS_BP_AD_POSTAL_X>-AD_NATION = 1.
<MDG_BS_BP_AD_POSTAL_X>-BUILDING = 1.
<MDG_BS_BP_AD_POSTAL_X>-CHCKSTATU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MDG_BS_BP_AD_POSTAL_X-CITY1, sy-vline,
  WA_MDG_BS_BP_AD_POSTAL_X-COUNC_AD, sy-vline,
  WA_MDG_BS_BP_AD_POSTAL_X-COUNTY_AD, sy-vline,
  WA_MDG_BS_BP_AD_POSTAL_X-CO_NAME, sy-vline,
  WA_MDG_BS_BP_AD_POSTAL_X-CTY_CODE, sy-vline,
  WA_MDG_BS_BP_AD_POSTAL_X-DEFLTCOMM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MDG_BS_BP_AD_POSTAL_X 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_MDG_BS_BP_AD_POSTAL_X 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_MDG_BS_BP_AD_POSTAL_X INTO WA_MDG_BS_BP_AD_POSTAL_X.


*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_MDG_BS_BP_AD_POSTAL_X_STR, 
ADDRNO TYPE STRING,
BP_HEADER TYPE STRING,
AD_NATION TYPE STRING,
BUILDING TYPE STRING,
CHCKSTATU TYPE STRING,
CITY1 TYPE STRING,
COUNC_AD TYPE STRING,
COUNTY_AD TYPE STRING,
CO_NAME TYPE STRING,
CTY_CODE TYPE STRING,
DEFLTCOMM TYPE STRING,
DISTRICT TYPE STRING,
DLVSRV_NR TYPE STRING,
DLVSRV_TY TYPE STRING,
DONTUSE_P TYPE STRING,
DONTUSE_S TYPE STRING,
FLAGGROUP TYPE STRING,
FLOOR TYPE STRING,
HOME_CITY TYPE STRING,
HOUSE_NR1 TYPE STRING,
HOUSE_NR2 TYPE STRING,
LANGU_COM TYPE STRING,
LOCATION TYPE STRING,
MC_CITY1 TYPE STRING,
MC_COUNTY TYPE STRING,
MC_STREET TYPE STRING,
MC_TWNSHP TYPE STRING,
PERS_ADDR TYPE STRING,
POBOX_CTY TYPE STRING,
POBOX_LBY TYPE STRING,
POBOX_LOC TYPE STRING,
POBOX_NUM TYPE STRING,
POST_COD1 TYPE STRING,
POST_COD2 TYPE STRING,
POST_COD3 TYPE STRING,
PO_BOX TYPE STRING,
REF_POSTA TYPE STRING,
REF_PSTAL TYPE STRING,
REGIOGROU TYPE STRING,
RFE_POST TYPE STRING,
RFE_POSTA TYPE STRING,
RFE_POSTL TYPE STRING,
RFE_PSTAL TYPE STRING,
RF_POSTAL TYPE STRING,
ROOMNUM TYPE STRING,
SORT1_AD TYPE STRING,
SORT2_AD TYPE STRING,
STREET TYPE STRING,
STRSUPPL1 TYPE STRING,
STRSUPPL2 TYPE STRING,
STRSUPPL3 TYPE STRING,
TAXJURCOD TYPE STRING,
TIME_ZONE TYPE STRING,
TOWNSHIP TYPE STRING,
TWSHP_COD TYPE STRING,
COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MDG_BS_BP_AD_POSTAL_X_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_MDG_BS_BP_AD_POSTAL_X_STR-ADDRNO sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-BP_HEADER sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-AD_NATION sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-BUILDING sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-CHCKSTATU sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-CITY1 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-COUNC_AD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-COUNTY_AD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-CO_NAME sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-CTY_CODE sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DEFLTCOMM sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DISTRICT sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DLVSRV_NR sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DLVSRV_TY sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DONTUSE_P sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-DONTUSE_S sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-FLAGGROUP sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-FLOOR sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-HOME_CITY sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-HOUSE_NR1 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-HOUSE_NR2 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-LANGU_COM sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-LOCATION sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-MC_CITY1 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-MC_COUNTY sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-MC_STREET sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-MC_TWNSHP sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-PERS_ADDR sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POBOX_CTY sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POBOX_LBY sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POBOX_LOC sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POBOX_NUM sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POST_COD1 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POST_COD2 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-POST_COD3 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-PO_BOX sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-REF_POSTA sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-REF_PSTAL sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-REGIOGROU sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-RFE_POST sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-RFE_POSTA sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-RFE_POSTL sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-RFE_PSTAL sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-RF_POSTAL sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-ROOMNUM sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-SORT1_AD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-SORT2_AD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-STREET sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-STRSUPPL1 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-STRSUPPL2 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-STRSUPPL3 sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-TAXJURCOD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-TIME_ZONE sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-TOWNSHIP sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-TWSHP_COD sy-vline 
WA_MDG_BS_BP_AD_POSTAL_X_STR-COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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