ABAP Select data from SAP table NLADR 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 NLADR 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 NLADR. 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 NLADR 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_NLADR TYPE STANDARD TABLE OF NLADR,
      WA_NLADR TYPE NLADR,
      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: <NLADR> TYPE NLADR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NLADR
*  INTO TABLE @DATA(IT_NLADR2).
*--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_NLADR INDEX 1 INTO DATA(WA_NLADR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NLADR>-ADDRNUMBER = 1.
<NLADR>-ADDRHANDLE = 1.
<NLADR>-NATION = 1.
<NLADR>-DATE = 1.
<NLADR>-DATE_FROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NLADR-DATE_TO, sy-vline,
  WA_NLADR-TITLE, sy-vline,
  WA_NLADR-KNAAM, sy-vline,
  WA_NLADR-LNAAM, sy-vline,
  WA_NLADR-AFDLG, sy-vline,
  WA_NLADR-NAME4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NLADR 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_NLADR 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_NLADR INTO WA_NLADR.


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

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

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

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

*Conversion exit ALPHA, internal->external for field CITY_CODE2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_NLADR-CITY_CODE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NLADR-CITY_CODE2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_NLADR-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NLADR-LANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field LANGU_CREA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_NLADR-LANGU_CREA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_NLADR-LANGU_CREA.
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_NLADR_STR, 
ADDRNUMBER TYPE STRING,
ADDRHANDLE TYPE STRING,
NATION TYPE STRING,
DATE TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
TITLE TYPE STRING,
KNAAM TYPE STRING,
LNAAM TYPE STRING,
AFDLG TYPE STRING,
NAME4 TYPE STRING,
NAME_TXT TYPE STRING,
KPERS TYPE STRING,
ORT01 TYPE STRING,
CITY2 TYPE STRING,
CITY_CODE TYPE STRING,
CITYP_CODE TYPE STRING,
HOME_CITY TYPE STRING,
CITYH_CODE TYPE STRING,
CHCKSTATUS TYPE STRING,
REGIOGROUP TYPE STRING,
PSTLZ TYPE STRING,
POST_CODE2 TYPE STRING,
POST_CODE3 TYPE STRING,
PCODE1_EXT TYPE STRING,
PCODE2_EXT TYPE STRING,
PCODE3_EXT TYPE STRING,
PO_BOX TYPE STRING,
PO_BOX_NUM TYPE STRING,
PO_BOX_LOC TYPE STRING,
CITY_CODE2 TYPE STRING,
PO_BOX_REG TYPE STRING,
PO_BOX_CTY TYPE STRING,
POSTALAREA TYPE STRING,
TRANSPZONE TYPE STRING,
STRAS TYPE STRING,
STREETCODE TYPE STRING,
STREETABBR TYPE STRING,
HSNMR TYPE STRING,
HOUSE_NUM2 TYPE STRING,
HOUSE_NUM3 TYPE STRING,
LOCAT TYPE STRING,
STR_SUPPL2 TYPE STRING,
STR_SUPPL3 TYPE STRING,
LOCATION TYPE STRING,
BUILDING TYPE STRING,
FLOOR TYPE STRING,
POSTA TYPE STRING,
COUNTRY TYPE STRING,
LANGU TYPE STRING,
REGION TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SORT_PHN TYPE STRING,
ADDRORIGIN TYPE STRING,
EXTENSION1 TYPE STRING,
EXTENSION2 TYPE STRING,
TIME_ZONE TYPE STRING,
TAXJURCODE TYPE STRING,
ADDRESS_ID TYPE STRING,
REMARK TYPE STRING,
LANGU_CREA TYPE STRING,
DEFLT_COMM TYPE STRING,
TELNR TYPE STRING,
TEL_EXTENS TYPE STRING,
FAX_NUMBER TYPE STRING,
FAX_EXTENS TYPE STRING,
ADDR_GROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NLADR_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_NLADR_STR-ADDRNUMBER sy-vline 
WA_NLADR_STR-ADDRHANDLE sy-vline 
WA_NLADR_STR-NATION sy-vline 
WA_NLADR_STR-DATE sy-vline 
WA_NLADR_STR-DATE_FROM sy-vline 
WA_NLADR_STR-DATE_TO sy-vline 
WA_NLADR_STR-TITLE sy-vline 
WA_NLADR_STR-KNAAM sy-vline 
WA_NLADR_STR-LNAAM sy-vline 
WA_NLADR_STR-AFDLG sy-vline 
WA_NLADR_STR-NAME4 sy-vline 
WA_NLADR_STR-NAME_TXT sy-vline 
WA_NLADR_STR-KPERS sy-vline 
WA_NLADR_STR-ORT01 sy-vline 
WA_NLADR_STR-CITY2 sy-vline 
WA_NLADR_STR-CITY_CODE sy-vline 
WA_NLADR_STR-CITYP_CODE sy-vline 
WA_NLADR_STR-HOME_CITY sy-vline 
WA_NLADR_STR-CITYH_CODE sy-vline 
WA_NLADR_STR-CHCKSTATUS sy-vline 
WA_NLADR_STR-REGIOGROUP sy-vline 
WA_NLADR_STR-PSTLZ sy-vline 
WA_NLADR_STR-POST_CODE2 sy-vline 
WA_NLADR_STR-POST_CODE3 sy-vline 
WA_NLADR_STR-PCODE1_EXT sy-vline 
WA_NLADR_STR-PCODE2_EXT sy-vline 
WA_NLADR_STR-PCODE3_EXT sy-vline 
WA_NLADR_STR-PO_BOX sy-vline 
WA_NLADR_STR-PO_BOX_NUM sy-vline 
WA_NLADR_STR-PO_BOX_LOC sy-vline 
WA_NLADR_STR-CITY_CODE2 sy-vline 
WA_NLADR_STR-PO_BOX_REG sy-vline 
WA_NLADR_STR-PO_BOX_CTY sy-vline 
WA_NLADR_STR-POSTALAREA sy-vline 
WA_NLADR_STR-TRANSPZONE sy-vline 
WA_NLADR_STR-STRAS sy-vline 
WA_NLADR_STR-STREETCODE sy-vline 
WA_NLADR_STR-STREETABBR sy-vline 
WA_NLADR_STR-HSNMR sy-vline 
WA_NLADR_STR-HOUSE_NUM2 sy-vline 
WA_NLADR_STR-HOUSE_NUM3 sy-vline 
WA_NLADR_STR-LOCAT sy-vline 
WA_NLADR_STR-STR_SUPPL2 sy-vline 
WA_NLADR_STR-STR_SUPPL3 sy-vline 
WA_NLADR_STR-LOCATION sy-vline 
WA_NLADR_STR-BUILDING sy-vline 
WA_NLADR_STR-FLOOR sy-vline 
WA_NLADR_STR-POSTA sy-vline 
WA_NLADR_STR-COUNTRY sy-vline 
WA_NLADR_STR-LANGU sy-vline 
WA_NLADR_STR-REGION sy-vline 
WA_NLADR_STR-SORT1 sy-vline 
WA_NLADR_STR-SORT2 sy-vline 
WA_NLADR_STR-SORT_PHN sy-vline 
WA_NLADR_STR-ADDRORIGIN sy-vline 
WA_NLADR_STR-EXTENSION1 sy-vline 
WA_NLADR_STR-EXTENSION2 sy-vline 
WA_NLADR_STR-TIME_ZONE sy-vline 
WA_NLADR_STR-TAXJURCODE sy-vline 
WA_NLADR_STR-ADDRESS_ID sy-vline 
WA_NLADR_STR-REMARK sy-vline 
WA_NLADR_STR-LANGU_CREA sy-vline 
WA_NLADR_STR-DEFLT_COMM sy-vline 
WA_NLADR_STR-TELNR sy-vline 
WA_NLADR_STR-TEL_EXTENS sy-vline 
WA_NLADR_STR-FAX_NUMBER sy-vline 
WA_NLADR_STR-FAX_EXTENS sy-vline 
WA_NLADR_STR-ADDR_GROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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