ABAP Select data from SAP table VIXCITCADAST_TAB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VIXCITCADAST_TAB
*  INTO TABLE @DATA(IT_VIXCITCADAST_TAB2).
*--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_VIXCITCADAST_TAB INDEX 1 INTO DATA(WA_VIXCITCADAST_TAB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VIXCITCADAST_TAB>-CITYCODE = 1.
<VIXCITCADAST_TAB>-ADMINDIVISION = 1.
<VIXCITCADAST_TAB>-CENSUSDIVISION = 1.
<VIXCITCADAST_TAB>-CITYDIVISION = 1.
<VIXCITCADAST_TAB>-SHEET = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VIXCITCADAST_TAB-PARCEL, sy-vline,
  WA_VIXCITCADAST_TAB-QUALITY, sy-vline,
  WA_VIXCITCADAST_TAB-DENOMINATOR, sy-vline,
  WA_VIXCITCADAST_TAB-SUBALTERN, sy-vline,
  WA_VIXCITCADAST_TAB-CLASS, sy-vline,
  WA_VIXCITCADAST_TAB-UIUOBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VIXCITCADAST_TAB 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_VIXCITCADAST_TAB 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_VIXCITCADAST_TAB INTO WA_VIXCITCADAST_TAB.


*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_VIXCITCADAST_TAB_STR, 
CITYCODE TYPE STRING,
ADMINDIVISION TYPE STRING,
CENSUSDIVISION TYPE STRING,
CITYDIVISION TYPE STRING,
SHEET TYPE STRING,
PARCEL TYPE STRING,
QUALITY TYPE STRING,
DENOMINATOR TYPE STRING,
SUBALTERN TYPE STRING,
CLASS TYPE STRING,
UIUOBJNR TYPE STRING,
UIUINTRENO TYPE STRING,
ORIGAOID TYPE STRING,
DERIVAOID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VIXCITCADAST_TAB_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_VIXCITCADAST_TAB_STR-CITYCODE sy-vline 
WA_VIXCITCADAST_TAB_STR-ADMINDIVISION sy-vline 
WA_VIXCITCADAST_TAB_STR-CENSUSDIVISION sy-vline 
WA_VIXCITCADAST_TAB_STR-CITYDIVISION sy-vline 
WA_VIXCITCADAST_TAB_STR-SHEET sy-vline 
WA_VIXCITCADAST_TAB_STR-PARCEL sy-vline 
WA_VIXCITCADAST_TAB_STR-QUALITY sy-vline 
WA_VIXCITCADAST_TAB_STR-DENOMINATOR sy-vline 
WA_VIXCITCADAST_TAB_STR-SUBALTERN sy-vline 
WA_VIXCITCADAST_TAB_STR-CLASS sy-vline 
WA_VIXCITCADAST_TAB_STR-UIUOBJNR sy-vline 
WA_VIXCITCADAST_TAB_STR-UIUINTRENO sy-vline 
WA_VIXCITCADAST_TAB_STR-ORIGAOID sy-vline 
WA_VIXCITCADAST_TAB_STR-DERIVAOID sy-vline      INTO ld_text SEPARATED BY SPACE.

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