ABAP Select data from SAP table TXI_VITAXD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TXI_VITAXD
*  INTO TABLE @DATA(IT_TXI_VITAXD2).
*--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_TXI_VITAXD INDEX 1 INTO DATA(WA_TXI_VITAXD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TXI_VITAXD>-MANDT = 1.
<TXI_VITAXD>-AWTYP = 1.
<TXI_VITAXD>-AWREF = 1.
<TXI_VITAXD>-AWORG = 1.
<TXI_VITAXD>-POSNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TXI_VITAXD-R_AWTYP, sy-vline,
  WA_TXI_VITAXD-R_AWREF, sy-vline,
  WA_TXI_VITAXD-R_AWORG, sy-vline,
  WA_TXI_VITAXD-R_POSNR, sy-vline,
  WA_TXI_VITAXD-WMWST, sy-vline,
  WA_TXI_VITAXD-MWSTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TXI_VITAXD 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_TXI_VITAXD 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_TXI_VITAXD INTO WA_TXI_VITAXD.


*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 AWREF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TXI_VITAXD-AWREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_VITAXD-AWREF.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_TXI_VITAXD-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_VITAXD-IMKEY.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_TXI_VITAXD-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_VITAXD-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field STJAH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_TXI_VITAXD-STJAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_VITAXD-STJAH.
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_TXI_VITAXD_STR, 
MANDT TYPE STRING,
AWTYP TYPE STRING,
AWREF TYPE STRING,
AWORG TYPE STRING,
POSNR TYPE STRING,
R_AWTYP TYPE STRING,
R_AWREF TYPE STRING,
R_AWORG TYPE STRING,
R_POSNR TYPE STRING,
WMWST TYPE STRING,
MWSTS TYPE STRING,
WAERS TYPE STRING,
AKONTO TYPE STRING,
RARTOPT TYPE STRING,
POPTS TYPE STRING,
BUDAT TYPE STRING,
IMKEY TYPE STRING,
SHKZG TYPE STRING,
MWSKZ TYPE STRING,
MWART TYPE STRING,
MONAT TYPE STRING,
HKONT TYPE STRING,
VNAVFW TYPE STRING,
VNAVHW TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
SOLLID TYPE STRING,
GJAHR TYPE STRING,
BUKRS TYPE STRING,
DABRZ TYPE STRING,
NASAKNR TYPE STRING,
STFLG TYPE STRING,
STOKZ TYPE STRING,
SVORG TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
S_AWTYP TYPE STRING,
S_AWORG TYPE STRING,
TXJCD TYPE STRING,
STBUK TYPE STRING,
KTOSL TYPE STRING,
BUZEI TYPE STRING,
BUZID TYPE STRING,
OSEDAT TYPE STRING,
MANOPT TYPE STRING,
WMWST_CY TYPE STRING,
MWSTS_CY TYPE STRING,
VNAVFW_CY TYPE STRING,
VNAVHW_CY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TXI_VITAXD_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_TXI_VITAXD_STR-MANDT sy-vline 
WA_TXI_VITAXD_STR-AWTYP sy-vline 
WA_TXI_VITAXD_STR-AWREF sy-vline 
WA_TXI_VITAXD_STR-AWORG sy-vline 
WA_TXI_VITAXD_STR-POSNR sy-vline 
WA_TXI_VITAXD_STR-R_AWTYP sy-vline 
WA_TXI_VITAXD_STR-R_AWREF sy-vline 
WA_TXI_VITAXD_STR-R_AWORG sy-vline 
WA_TXI_VITAXD_STR-R_POSNR sy-vline 
WA_TXI_VITAXD_STR-WMWST sy-vline 
WA_TXI_VITAXD_STR-MWSTS sy-vline 
WA_TXI_VITAXD_STR-WAERS sy-vline 
WA_TXI_VITAXD_STR-AKONTO sy-vline 
WA_TXI_VITAXD_STR-RARTOPT sy-vline 
WA_TXI_VITAXD_STR-POPTS sy-vline 
WA_TXI_VITAXD_STR-BUDAT sy-vline 
WA_TXI_VITAXD_STR-IMKEY sy-vline 
WA_TXI_VITAXD_STR-SHKZG sy-vline 
WA_TXI_VITAXD_STR-MWSKZ sy-vline 
WA_TXI_VITAXD_STR-MWART sy-vline 
WA_TXI_VITAXD_STR-MONAT sy-vline 
WA_TXI_VITAXD_STR-HKONT sy-vline 
WA_TXI_VITAXD_STR-VNAVFW sy-vline 
WA_TXI_VITAXD_STR-VNAVHW sy-vline 
WA_TXI_VITAXD_STR-RERF sy-vline 
WA_TXI_VITAXD_STR-DERF sy-vline 
WA_TXI_VITAXD_STR-TERF sy-vline 
WA_TXI_VITAXD_STR-REHER sy-vline 
WA_TXI_VITAXD_STR-RBEAR sy-vline 
WA_TXI_VITAXD_STR-DBEAR sy-vline 
WA_TXI_VITAXD_STR-TBEAR sy-vline 
WA_TXI_VITAXD_STR-RBHER sy-vline 
WA_TXI_VITAXD_STR-SOLLID sy-vline 
WA_TXI_VITAXD_STR-GJAHR sy-vline 
WA_TXI_VITAXD_STR-BUKRS sy-vline 
WA_TXI_VITAXD_STR-DABRZ sy-vline 
WA_TXI_VITAXD_STR-NASAKNR sy-vline 
WA_TXI_VITAXD_STR-STFLG sy-vline 
WA_TXI_VITAXD_STR-STOKZ sy-vline 
WA_TXI_VITAXD_STR-SVORG sy-vline 
WA_TXI_VITAXD_STR-STBLG sy-vline 
WA_TXI_VITAXD_STR-STJAH sy-vline 
WA_TXI_VITAXD_STR-S_AWTYP sy-vline 
WA_TXI_VITAXD_STR-S_AWORG sy-vline 
WA_TXI_VITAXD_STR-TXJCD sy-vline 
WA_TXI_VITAXD_STR-STBUK sy-vline 
WA_TXI_VITAXD_STR-KTOSL sy-vline 
WA_TXI_VITAXD_STR-BUZEI sy-vline 
WA_TXI_VITAXD_STR-BUZID sy-vline 
WA_TXI_VITAXD_STR-OSEDAT sy-vline 
WA_TXI_VITAXD_STR-MANOPT sy-vline 
WA_TXI_VITAXD_STR-WMWST_CY sy-vline 
WA_TXI_VITAXD_STR-MWSTS_CY sy-vline 
WA_TXI_VITAXD_STR-VNAVFW_CY sy-vline 
WA_TXI_VITAXD_STR-VNAVHW_CY sy-vline      INTO ld_text SEPARATED BY SPACE.

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