ABAP Select data from SAP table ADRSTRTISU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADRSTRTISU
*  INTO TABLE @DATA(IT_ADRSTRTISU2).
*--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_ADRSTRTISU INDEX 1 INTO DATA(WA_ADRSTRTISU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADRSTRTISU>-CLIENT = 1.
<ADRSTRTISU>-COUNTRY = 1.
<ADRSTRTISU>-STRT_CODE = 1.
<ADRSTRTISU>-HOUSENUM_H = 1.
<ADRSTRTISU>-HSN_SUPP_H = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADRSTRTISU-HOUSENUM_L, sy-vline,
  WA_ADRSTRTISU-HSN_SUPP_L, sy-vline,
  WA_ADRSTRTISU-HSN_IND, sy-vline,
  WA_ADRSTRTISU-REGPOLIT, sy-vline,
  WA_ADRSTRTISU-TEMP_AREA, sy-vline,
  WA_ADRSTRTISU-PR_AREA_AI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADRSTRTISU 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_ADRSTRTISU 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_ADRSTRTISU INTO WA_ADRSTRTISU.


*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 STRT_CODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ADRSTRTISU-STRT_CODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADRSTRTISU-STRT_CODE.
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_ADRSTRTISU_STR, 
CLIENT TYPE STRING,
COUNTRY TYPE STRING,
STRT_CODE TYPE STRING,
HOUSENUM_H TYPE STRING,
HSN_SUPP_H TYPE STRING,
HOUSENUM_L TYPE STRING,
HSN_SUPP_L TYPE STRING,
HSN_IND TYPE STRING,
REGPOLIT TYPE STRING,
TEMP_AREA TYPE STRING,
PR_AREA_AI TYPE STRING,
CALOR_AREA TYPE STRING,
GAS_PRS_AR TYPE STRING,
PR_AREA_WA TYPE STRING,
HA_AREA_WA TYPE STRING,
FLAG_SUPPL TYPE STRING,
COUNC TYPE STRING,
NUMART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADRSTRTISU_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_ADRSTRTISU_STR-CLIENT sy-vline 
WA_ADRSTRTISU_STR-COUNTRY sy-vline 
WA_ADRSTRTISU_STR-STRT_CODE sy-vline 
WA_ADRSTRTISU_STR-HOUSENUM_H sy-vline 
WA_ADRSTRTISU_STR-HSN_SUPP_H sy-vline 
WA_ADRSTRTISU_STR-HOUSENUM_L sy-vline 
WA_ADRSTRTISU_STR-HSN_SUPP_L sy-vline 
WA_ADRSTRTISU_STR-HSN_IND sy-vline 
WA_ADRSTRTISU_STR-REGPOLIT sy-vline 
WA_ADRSTRTISU_STR-TEMP_AREA sy-vline 
WA_ADRSTRTISU_STR-PR_AREA_AI sy-vline 
WA_ADRSTRTISU_STR-CALOR_AREA sy-vline 
WA_ADRSTRTISU_STR-GAS_PRS_AR sy-vline 
WA_ADRSTRTISU_STR-PR_AREA_WA sy-vline 
WA_ADRSTRTISU_STR-HA_AREA_WA sy-vline 
WA_ADRSTRTISU_STR-FLAG_SUPPL sy-vline 
WA_ADRSTRTISU_STR-COUNC sy-vline 
WA_ADRSTRTISU_STR-NUMART sy-vline      INTO ld_text SEPARATED BY SPACE.

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