ABAP Select data from SAP table FARRIC_S_MAIN_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FARRIC_S_MAIN_ITEM
*  INTO TABLE @DATA(IT_FARRIC_S_MAIN_ITEM2).
*--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_FARRIC_S_MAIN_ITEM INDEX 1 INTO DATA(WA_FARRIC_S_MAIN_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FARRIC_S_MAIN_ITEM>-SRCDOC_COMP = 1.
<FARRIC_S_MAIN_ITEM>-SRCDOC_LOGSYS = 1.
<FARRIC_S_MAIN_ITEM>-SRCDOC_TYPE = 1.
<FARRIC_S_MAIN_ITEM>-SRCDOC_ID = 1.
<FARRIC_S_MAIN_ITEM>-TIMESTAMP_UTC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FARRIC_S_MAIN_ITEM-REFERENCE_TYPE, sy-vline,
  WA_FARRIC_S_MAIN_ITEM-REFERENCE_ID, sy-vline,
  WA_FARRIC_S_MAIN_ITEM-KUNNR, sy-vline,
  WA_FARRIC_S_MAIN_ITEM-PARTNER, sy-vline,
  WA_FARRIC_S_MAIN_ITEM-BUKRS, sy-vline,
  WA_FARRIC_S_MAIN_ITEM-CHANGE_INDICATOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FARRIC_S_MAIN_ITEM 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_FARRIC_S_MAIN_ITEM 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_FARRIC_S_MAIN_ITEM INTO WA_FARRIC_S_MAIN_ITEM.


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

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

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

*Conversion exit CUNIT, internal->external for field QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FARRIC_S_MAIN_ITEM-QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARRIC_S_MAIN_ITEM-QUANTITY_UNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_FARRIC_S_MAIN_ITEM-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARRIC_S_MAIN_ITEM-AUART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FARRIC_S_MAIN_ITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FARRIC_S_MAIN_ITEM-MATNR.
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_FARRIC_S_MAIN_ITEM_STR, 
SRCDOC_COMP TYPE STRING,
SRCDOC_LOGSYS TYPE STRING,
SRCDOC_TYPE TYPE STRING,
SRCDOC_ID TYPE STRING,
TIMESTAMP_UTC TYPE STRING,
REFERENCE_TYPE TYPE STRING,
REFERENCE_ID TYPE STRING,
KUNNR TYPE STRING,
PARTNER TYPE STRING,
BUKRS TYPE STRING,
CHANGE_INDICATOR TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
FKBER TYPE STRING,
GSBER TYPE STRING,
HLDID TYPE STRING,
HLDTY TYPE STRING,
KEYPP TYPE STRING,
PAOBJNR TYPE STRING,
PRCTR TYPE STRING,
REFID TYPE STRING,
REFTY TYPE STRING,
SEGMENT TYPE STRING,
WAERS TYPE STRING,
XBIDE TYPE STRING,
VBTYP TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
AUART TYPE STRING,
PSTYV TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
BOMFLG TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
BP_TYPE TYPE STRING,
BSTNK TYPE STRING,
Z_BURKRS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FARRIC_S_MAIN_ITEM_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_FARRIC_S_MAIN_ITEM_STR-SRCDOC_COMP sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-SRCDOC_LOGSYS sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-SRCDOC_TYPE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-SRCDOC_ID sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-TIMESTAMP_UTC sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-REFERENCE_TYPE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-REFERENCE_ID sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-KUNNR sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-PARTNER sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-BUKRS sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-CHANGE_INDICATOR sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-QUANTITY sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-QUANTITY_UNIT sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-FKBER sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-GSBER sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-HLDID sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-HLDTY sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-KEYPP sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-PAOBJNR sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-PRCTR sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-REFID sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-REFTY sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-SEGMENT sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-WAERS sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-XBIDE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-VBTYP sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-VKORG sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-VTWEG sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-SPART sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-AUART sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-PSTYV sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-MATNR sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-WERKS sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-BOMFLG sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-START_DATE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-END_DATE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-BP_TYPE sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-BSTNK sy-vline 
WA_FARRIC_S_MAIN_ITEM_STR-Z_BURKRS sy-vline      INTO ld_text SEPARATED BY SPACE.

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