ABAP Select data from SAP table REEW_VIEINHW_ABGBEW_YEAR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REEW_VIEINHW_ABGBEW_YEAR
*  INTO TABLE @DATA(IT_REEW_VIEINHW_ABGBEW_YEAR2).
*--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_REEW_VIEINHW_ABGBEW_YEAR INDEX 1 INTO DATA(WA_REEW_VIEINHW_ABGBEW_YEAR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REEW_VIEINHW_ABGBEW_YEAR>-INTRENO = 1.
<REEW_VIEINHW_ABGBEW_YEAR>-EIGENTUEMER = 1.
<REEW_VIEINHW_ABGBEW_YEAR>-XEIGENT = 1.
<REEW_VIEINHW_ABGBEW_YEAR>-VALID_YEAR = 1.
<REEW_VIEINHW_ABGBEW_YEAR>-FINANZAMT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REEW_VIEINHW_ABGBEW_YEAR-XFINANZ, sy-vline,
  WA_REEW_VIEINHW_ABGBEW_YEAR-EINHWNR, sy-vline,
  WA_REEW_VIEINHW_ABGBEW_YEAR-GRART, sy-vline,
  WA_REEW_VIEINHW_ABGBEW_YEAR-XGRART, sy-vline,
  WA_REEW_VIEINHW_ABGBEW_YEAR-EINHWERT, sy-vline,
  WA_REEW_VIEINHW_ABGBEW_YEAR-EINHWERTWAER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REEW_VIEINHW_ABGBEW_YEAR 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_REEW_VIEINHW_ABGBEW_YEAR 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_REEW_VIEINHW_ABGBEW_YEAR INTO WA_REEW_VIEINHW_ABGBEW_YEAR.


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

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

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

*Conversion exit ALPHA, internal->external for field RECNNR1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEW_VIEINHW_ABGBEW_YEAR-RECNNR1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEW_VIEINHW_ABGBEW_YEAR-RECNNR1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNNR2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REEW_VIEINHW_ABGBEW_YEAR-RECNNR2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEW_VIEINHW_ABGBEW_YEAR-RECNNR2.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GJAHR, internal->external for field EINHWYEAREND
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REEW_VIEINHW_ABGBEW_YEAR-EINHWYEAREND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REEW_VIEINHW_ABGBEW_YEAR-EINHWYEAREND.
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_REEW_VIEINHW_ABGBEW_YEAR_STR, 
INTRENO TYPE STRING,
EIGENTUEMER TYPE STRING,
XEIGENT TYPE STRING,
VALID_YEAR TYPE STRING,
FINANZAMT TYPE STRING,
XFINANZ TYPE STRING,
EINHWNR TYPE STRING,
GRART TYPE STRING,
XGRART TYPE STRING,
EINHWERT TYPE STRING,
EINHWERTWAER TYPE STRING,
STEUERMBETRAG TYPE STRING,
STEUERMWAEHR TYPE STRING,
RECNNR1 TYPE STRING,
RECNNR2 TYPE STRING,
FLAG_MULTI_EW TYPE STRING,
ABGBYEAR TYPE STRING,
ABGBYEAREND TYPE STRING,
EINHWENDDATE TYPE STRING,
EINHWYEAR TYPE STRING,
EINHWYEAREND TYPE STRING,
BUKRS TYPE STRING,
RECNTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REEW_VIEINHW_ABGBEW_YEAR_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_REEW_VIEINHW_ABGBEW_YEAR_STR-INTRENO sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EIGENTUEMER sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-XEIGENT sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-VALID_YEAR sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-FINANZAMT sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-XFINANZ sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWNR sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-GRART sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-XGRART sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWERT sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWERTWAER sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-STEUERMBETRAG sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-STEUERMWAEHR sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-RECNNR1 sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-RECNNR2 sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-FLAG_MULTI_EW sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-ABGBYEAR sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-ABGBYEAREND sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWENDDATE sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWYEAR sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-EINHWYEAREND sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-BUKRS sy-vline 
WA_REEW_VIEINHW_ABGBEW_YEAR_STR-RECNTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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