ABAP Select data from SAP table FINS_ALLOC_TMPLV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_ALLOC_TMPLV
*  INTO TABLE @DATA(IT_FINS_ALLOC_TMPLV2).
*--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_FINS_ALLOC_TMPLV INDEX 1 INTO DATA(WA_FINS_ALLOC_TMPLV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_ALLOC_TMPLV>-MANDT = 1.
<FINS_ALLOC_TMPLV>-TAB = 1.
<FINS_ALLOC_TMPLV>-NAME = 1.
<FINS_ALLOC_TMPLV>-FIELDNAME = 1.
<FINS_ALLOC_TMPLV>-FIELDDESCR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_ALLOC_TMPLV-CHECKED, sy-vline,
  WA_FINS_ALLOC_TMPLV-FORMULA, sy-vline,
  WA_FINS_ALLOC_TMPLV-FIELD1, sy-vline,
  WA_FINS_ALLOC_TMPLV-PORTION1, sy-vline,
  WA_FINS_ALLOC_TMPLV-FIELD2, sy-vline,
  WA_FINS_ALLOC_TMPLV-PORTION2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_ALLOC_TMPLV 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_FINS_ALLOC_TMPLV 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_FINS_ALLOC_TMPLV INTO WA_FINS_ALLOC_TMPLV.


*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_FINS_ALLOC_TMPLV_STR, 
MANDT TYPE STRING,
TAB TYPE STRING,
NAME TYPE STRING,
FIELDNAME TYPE STRING,
FIELDDESCR TYPE STRING,
CHECKED TYPE STRING,
FORMULA TYPE STRING,
FIELD1 TYPE STRING,
PORTION1 TYPE STRING,
FIELD2 TYPE STRING,
PORTION2 TYPE STRING,
CUSTOMFIELD TYPE STRING,
TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_ALLOC_TMPLV_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_FINS_ALLOC_TMPLV_STR-MANDT sy-vline 
WA_FINS_ALLOC_TMPLV_STR-TAB sy-vline 
WA_FINS_ALLOC_TMPLV_STR-NAME sy-vline 
WA_FINS_ALLOC_TMPLV_STR-FIELDNAME sy-vline 
WA_FINS_ALLOC_TMPLV_STR-FIELDDESCR sy-vline 
WA_FINS_ALLOC_TMPLV_STR-CHECKED sy-vline 
WA_FINS_ALLOC_TMPLV_STR-FORMULA sy-vline 
WA_FINS_ALLOC_TMPLV_STR-FIELD1 sy-vline 
WA_FINS_ALLOC_TMPLV_STR-PORTION1 sy-vline 
WA_FINS_ALLOC_TMPLV_STR-FIELD2 sy-vline 
WA_FINS_ALLOC_TMPLV_STR-PORTION2 sy-vline 
WA_FINS_ALLOC_TMPLV_STR-CUSTOMFIELD sy-vline 
WA_FINS_ALLOC_TMPLV_STR-TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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