ABAP Select data from SAP table TIV04 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TIV04 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 TIV04. 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 TIV04 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_TIV04 TYPE STANDARD TABLE OF TIV04,
      WA_TIV04 TYPE TIV04,
      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: <TIV04> TYPE TIV04.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TIV04.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TIV04
  INTO TABLE IT_TIV04.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TIV04
*  INTO TABLE @DATA(IT_TIV042).
*--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_TIV04 INDEX 1 INTO DATA(WA_TIV042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TIV04 ASSIGNING <TIV04>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TIV04>-MANDT = 1.
<TIV04>-SMIETSP = 1.
<TIV04>-SMERKMA = 1.
<TIV04>-SMKLASS = 1.
<TIV04>-BPKTEMSP = 1.

ENDLOOP.

LOOP AT IT_TIV04 INTO WA_TIV04.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TIV04-BPKTEMIN, sy-vline,
  WA_TIV04-BPKTEMAX, sy-vline,
  WA_TIV04-JWERT, sy-vline,
  WA_TIV04-SFLART, sy-vline,
  WA_TIV04-SGRPMERK, sy-vline,
  WA_TIV04-JROUND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TIV04 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_TIV04 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_TIV04 INTO WA_TIV04.


*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 CUNIT, internal->external for field SZUSUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_TIV04-SZUSUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TIV04-SZUSUNIT.
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_TIV04_STR, 
MANDT TYPE STRING,
SMIETSP TYPE STRING,
SMERKMA TYPE STRING,
SMKLASS TYPE STRING,
BPKTEMSP TYPE STRING,
BPKTEMIN TYPE STRING,
BPKTEMAX TYPE STRING,
JWERT TYPE STRING,
SFLART TYPE STRING,
SGRPMERK TYPE STRING,
JROUND TYPE STRING,
JDIVGSCH TYPE STRING,
JZUSINF TYPE STRING,
SZUSUNIT TYPE STRING,
SSPEZBER TYPE STRING,
SSIGN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TIV04_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_TIV04_STR-MANDT sy-vline 
WA_TIV04_STR-SMIETSP sy-vline 
WA_TIV04_STR-SMERKMA sy-vline 
WA_TIV04_STR-SMKLASS sy-vline 
WA_TIV04_STR-BPKTEMSP sy-vline 
WA_TIV04_STR-BPKTEMIN sy-vline 
WA_TIV04_STR-BPKTEMAX sy-vline 
WA_TIV04_STR-JWERT sy-vline 
WA_TIV04_STR-SFLART sy-vline 
WA_TIV04_STR-SGRPMERK sy-vline 
WA_TIV04_STR-JROUND sy-vline 
WA_TIV04_STR-JDIVGSCH sy-vline 
WA_TIV04_STR-JZUSINF sy-vline 
WA_TIV04_STR-SZUSUNIT sy-vline 
WA_TIV04_STR-SSPEZBER sy-vline 
WA_TIV04_STR-SSIGN sy-vline      INTO ld_text SEPARATED BY SPACE.

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