ABAP Select data from SAP table TXW_SADDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TXW_SADDR
*  INTO TABLE @DATA(IT_TXW_SADDR2).
*--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_TXW_SADDR INDEX 1 INTO DATA(WA_TXW_SADDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TXW_SADDR>-MANDT = 1.
<TXW_SADDR>-ADRNR = 1.
<TXW_SADDR>-NAME1 = 1.
<TXW_SADDR>-ORT01 = 1.
<TXW_SADDR>-ORT02 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TXW_SADDR-PSTL2, sy-vline,
  WA_TXW_SADDR-PFACH, sy-vline,
  WA_TXW_SADDR-PSTLZ, sy-vline,
  WA_TXW_SADDR-LAND1, sy-vline,
  WA_TXW_SADDR-REGIO, sy-vline,
  WA_TXW_SADDR-STRAS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TXW_SADDR 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_TXW_SADDR 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_TXW_SADDR INTO WA_TXW_SADDR.


*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 ADRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TXW_SADDR-ADRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXW_SADDR-ADRNR.
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_TXW_SADDR_STR, 
MANDT TYPE STRING,
ADRNR TYPE STRING,
NAME1 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
PSTL2 TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
LAND1 TYPE STRING,
REGIO TYPE STRING,
STRAS TYPE STRING,
HOUSE_NUM TYPE STRING,
TXJCD TYPE STRING,
CRNAM TYPE STRING,
CRDAT TYPE STRING,
CHDAT TYPE STRING,
CHNAM TYPE STRING,
NAME2 TYPE STRING,
HOUSE_NUM1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TXW_SADDR_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_TXW_SADDR_STR-MANDT sy-vline 
WA_TXW_SADDR_STR-ADRNR sy-vline 
WA_TXW_SADDR_STR-NAME1 sy-vline 
WA_TXW_SADDR_STR-ORT01 sy-vline 
WA_TXW_SADDR_STR-ORT02 sy-vline 
WA_TXW_SADDR_STR-PSTL2 sy-vline 
WA_TXW_SADDR_STR-PFACH sy-vline 
WA_TXW_SADDR_STR-PSTLZ sy-vline 
WA_TXW_SADDR_STR-LAND1 sy-vline 
WA_TXW_SADDR_STR-REGIO sy-vline 
WA_TXW_SADDR_STR-STRAS sy-vline 
WA_TXW_SADDR_STR-HOUSE_NUM sy-vline 
WA_TXW_SADDR_STR-TXJCD sy-vline 
WA_TXW_SADDR_STR-CRNAM sy-vline 
WA_TXW_SADDR_STR-CRDAT sy-vline 
WA_TXW_SADDR_STR-CHDAT sy-vline 
WA_TXW_SADDR_STR-CHNAM sy-vline 
WA_TXW_SADDR_STR-NAME2 sy-vline 
WA_TXW_SADDR_STR-HOUSE_NUM1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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