ABAP Select data from SAP table TXI_TIV9I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TXI_TIV9I 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_TIV9I. 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_TIV9I 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_TIV9I TYPE STANDARD TABLE OF TXI_TIV9I,
      WA_TXI_TIV9I TYPE TXI_TIV9I,
      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_TIV9I> TYPE TXI_TIV9I.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TXI_TIV9I.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TXI_TIV9I
  INTO TABLE IT_TXI_TIV9I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TXI_TIV9I
*  INTO TABLE @DATA(IT_TXI_TIV9I2).
*--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_TIV9I INDEX 1 INTO DATA(WA_TXI_TIV9I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TXI_TIV9I ASSIGNING <TXI_TIV9I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TXI_TIV9I>-MANDT = 1.
<TXI_TIV9I>-TEILN = 1.
<TXI_TIV9I>-KUNID = 1.
<TXI_TIV9I>-BUKRS = 1.
<TXI_TIV9I>-SAKOZ = 1.

ENDLOOP.

LOOP AT IT_TXI_TIV9I INTO WA_TXI_TIV9I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TXI_TIV9I-SAKOV, sy-vline,
  WA_TXI_TIV9I-BLART, sy-vline,
  WA_TXI_TIV9I-OFSET, sy-vline,
  WA_TXI_TIV9I-LBLNR, sy-vline,
  WA_TXI_TIV9I-NOTAKT, sy-vline,
  WA_TXI_TIV9I-VERFA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TXI_TIV9I 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_TIV9I 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_TIV9I INTO WA_TXI_TIV9I.


*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 SAKOZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TXI_TIV9I-SAKOZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_TIV9I-SAKOZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKOV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TXI_TIV9I-SAKOV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TXI_TIV9I-SAKOV.
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_TIV9I_STR, 
MANDT TYPE STRING,
TEILN TYPE STRING,
KUNID TYPE STRING,
BUKRS TYPE STRING,
SAKOZ TYPE STRING,
SAKOV TYPE STRING,
BLART TYPE STRING,
OFSET TYPE STRING,
LBLNR TYPE STRING,
NOTAKT TYPE STRING,
VERFA TYPE STRING,
XMESR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TXI_TIV9I_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_TIV9I_STR-MANDT sy-vline 
WA_TXI_TIV9I_STR-TEILN sy-vline 
WA_TXI_TIV9I_STR-KUNID sy-vline 
WA_TXI_TIV9I_STR-BUKRS sy-vline 
WA_TXI_TIV9I_STR-SAKOZ sy-vline 
WA_TXI_TIV9I_STR-SAKOV sy-vline 
WA_TXI_TIV9I_STR-BLART sy-vline 
WA_TXI_TIV9I_STR-OFSET sy-vline 
WA_TXI_TIV9I_STR-LBLNR sy-vline 
WA_TXI_TIV9I_STR-NOTAKT sy-vline 
WA_TXI_TIV9I_STR-VERFA sy-vline 
WA_TXI_TIV9I_STR-XMESR sy-vline      INTO ld_text SEPARATED BY SPACE.

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