ABAP Select data from SAP table FILA_RV_ADJ_LAYOUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FILA_RV_ADJ_LAYOUT
*  INTO TABLE @DATA(IT_FILA_RV_ADJ_LAYOUT2).
*--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_FILA_RV_ADJ_LAYOUT INDEX 1 INTO DATA(WA_FILA_RV_ADJ_LAYOUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FILA_RV_ADJ_LAYOUT>-MANDT = 1.
<FILA_RV_ADJ_LAYOUT>-COMPONENT = 1.
<FILA_RV_ADJ_LAYOUT>-BUKRS = 1.
<FILA_RV_ADJ_LAYOUT>-OBJID = 1.
<FILA_RV_ADJ_LAYOUT>-SUBID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FILA_RV_ADJ_LAYOUT-TMSTAMP, sy-vline,
  WA_FILA_RV_ADJ_LAYOUT-OBJECTID, sy-vline,
  WA_FILA_RV_ADJ_LAYOUT-UIID, sy-vline,
  WA_FILA_RV_ADJ_LAYOUT-PROD_ID, sy-vline,
  WA_FILA_RV_ADJ_LAYOUT-PRODUCT, sy-vline,
  WA_FILA_RV_ADJ_LAYOUT-RV_CONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FILA_RV_ADJ_LAYOUT 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_FILA_RV_ADJ_LAYOUT 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_FILA_RV_ADJ_LAYOUT INTO WA_FILA_RV_ADJ_LAYOUT.


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

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FILA_RV_ADJ_LAYOUT-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FILA_RV_ADJ_LAYOUT-PRODUCT.
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_FILA_RV_ADJ_LAYOUT_STR, 
MANDT TYPE STRING,
COMPONENT TYPE STRING,
BUKRS TYPE STRING,
OBJID TYPE STRING,
SUBID TYPE STRING,
TMSTAMP TYPE STRING,
OBJECTID TYPE STRING,
UIID TYPE STRING,
PROD_ID TYPE STRING,
PRODUCT TYPE STRING,
RV_CONT TYPE STRING,
RV_ACC_OLD TYPE STRING,
RV_ADJ_AMOUNT TYPE STRING,
RV_ACC_NEW TYPE STRING,
CURRENCY TYPE STRING,
ACCRULE TYPE STRING,
ACCKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FILA_RV_ADJ_LAYOUT_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_FILA_RV_ADJ_LAYOUT_STR-MANDT sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-COMPONENT sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-BUKRS sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-OBJID sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-SUBID sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-TMSTAMP sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-OBJECTID sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-UIID sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-PROD_ID sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-PRODUCT sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-RV_CONT sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-RV_ACC_OLD sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-RV_ADJ_AMOUNT sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-RV_ACC_NEW sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-CURRENCY sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-ACCRULE sy-vline 
WA_FILA_RV_ADJ_LAYOUT_STR-ACCKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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