ABAP Select data from SAP table FIQAWT_S_WITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIQAWT_S_WITEM
*  INTO TABLE @DATA(IT_FIQAWT_S_WITEM2).
*--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_FIQAWT_S_WITEM INDEX 1 INTO DATA(WA_FIQAWT_S_WITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIQAWT_S_WITEM>-MANDT = 1.
<FIQAWT_S_WITEM>-BUKRS = 1.
<FIQAWT_S_WITEM>-BELNR = 1.
<FIQAWT_S_WITEM>-GJAHR = 1.
<FIQAWT_S_WITEM>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIQAWT_S_WITEM-WITHT, sy-vline,
  WA_FIQAWT_S_WITEM-WT_WITHCD, sy-vline,
  WA_FIQAWT_S_WITEM-WT_QSSHH, sy-vline,
  WA_FIQAWT_S_WITEM-WT_QBSHH, sy-vline,
  WA_FIQAWT_S_WITEM-KOART, sy-vline,
  WA_FIQAWT_S_WITEM-WT_ACCO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIQAWT_S_WITEM 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_FIQAWT_S_WITEM 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_FIQAWT_S_WITEM INTO WA_FIQAWT_S_WITEM.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field J_1IREBZG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIQAWT_S_WITEM-J_1IREBZG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIQAWT_S_WITEM-J_1IREBZG.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIQAWT_S_WITEM-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIQAWT_S_WITEM-LIFNR.
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_FIQAWT_S_WITEM_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
WITHT TYPE STRING,
WT_WITHCD TYPE STRING,
WT_QSSHH TYPE STRING,
WT_QBSHH TYPE STRING,
KOART TYPE STRING,
WT_ACCO TYPE STRING,
HKONT TYPE STRING,
HKONT_OPP TYPE STRING,
TEXT15 TYPE STRING,
AUGBL TYPE STRING,
QSATZ TYPE STRING,
CTNUMBER TYPE STRING,
WT_DOWNC TYPE STRING,
J_1IINTCHLN TYPE STRING,
J_1IINTCHDT TYPE STRING,
J_1IBUZEI TYPE STRING,
J_1ICERTDT TYPE STRING,
J_1ICLRAMT TYPE STRING,
J_1IREBZG TYPE STRING,
QSCOD TYPE STRING,
NAME_VEND TYPE STRING,
STR_SUPPL1 TYPE STRING,
STR_SUPPL2 TYPE STRING,
STREET TYPE STRING,
STR_SUPPL3 TYPE STRING,
LOCATION TYPE STRING,
CITY1 TYPE STRING,
CITY2 TYPE STRING,
POST_CODE1 TYPE STRING,
ADDRESS TYPE STRING,
TYPE_OF_SERVICE TYPE STRING,
PAYMENT_DATE TYPE STRING,
PO_NUMBER TYPE STRING,
ITEM_NUMBER TYPE STRING,
FI_INV_DOC TYPE STRING,
FI_INV_YEAR TYPE STRING,
MM_INV_DOC TYPE STRING,
TOTAL_CONTRACT_VALUE TYPE STRING,
PACKNO TYPE STRING,
SRVPOS TYPE STRING,
NAME_CO TYPE STRING,
LIFNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIQAWT_S_WITEM_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_FIQAWT_S_WITEM_STR-MANDT sy-vline 
WA_FIQAWT_S_WITEM_STR-BUKRS sy-vline 
WA_FIQAWT_S_WITEM_STR-BELNR sy-vline 
WA_FIQAWT_S_WITEM_STR-GJAHR sy-vline 
WA_FIQAWT_S_WITEM_STR-BUZEI sy-vline 
WA_FIQAWT_S_WITEM_STR-WITHT sy-vline 
WA_FIQAWT_S_WITEM_STR-WT_WITHCD sy-vline 
WA_FIQAWT_S_WITEM_STR-WT_QSSHH sy-vline 
WA_FIQAWT_S_WITEM_STR-WT_QBSHH sy-vline 
WA_FIQAWT_S_WITEM_STR-KOART sy-vline 
WA_FIQAWT_S_WITEM_STR-WT_ACCO sy-vline 
WA_FIQAWT_S_WITEM_STR-HKONT sy-vline 
WA_FIQAWT_S_WITEM_STR-HKONT_OPP sy-vline 
WA_FIQAWT_S_WITEM_STR-TEXT15 sy-vline 
WA_FIQAWT_S_WITEM_STR-AUGBL sy-vline 
WA_FIQAWT_S_WITEM_STR-QSATZ sy-vline 
WA_FIQAWT_S_WITEM_STR-CTNUMBER sy-vline 
WA_FIQAWT_S_WITEM_STR-WT_DOWNC sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1IINTCHLN sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1IINTCHDT sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1IBUZEI sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1ICERTDT sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1ICLRAMT sy-vline 
WA_FIQAWT_S_WITEM_STR-J_1IREBZG sy-vline 
WA_FIQAWT_S_WITEM_STR-QSCOD sy-vline 
WA_FIQAWT_S_WITEM_STR-NAME_VEND sy-vline 
WA_FIQAWT_S_WITEM_STR-STR_SUPPL1 sy-vline 
WA_FIQAWT_S_WITEM_STR-STR_SUPPL2 sy-vline 
WA_FIQAWT_S_WITEM_STR-STREET sy-vline 
WA_FIQAWT_S_WITEM_STR-STR_SUPPL3 sy-vline 
WA_FIQAWT_S_WITEM_STR-LOCATION sy-vline 
WA_FIQAWT_S_WITEM_STR-CITY1 sy-vline 
WA_FIQAWT_S_WITEM_STR-CITY2 sy-vline 
WA_FIQAWT_S_WITEM_STR-POST_CODE1 sy-vline 
WA_FIQAWT_S_WITEM_STR-ADDRESS sy-vline 
WA_FIQAWT_S_WITEM_STR-TYPE_OF_SERVICE sy-vline 
WA_FIQAWT_S_WITEM_STR-PAYMENT_DATE sy-vline 
WA_FIQAWT_S_WITEM_STR-PO_NUMBER sy-vline 
WA_FIQAWT_S_WITEM_STR-ITEM_NUMBER sy-vline 
WA_FIQAWT_S_WITEM_STR-FI_INV_DOC sy-vline 
WA_FIQAWT_S_WITEM_STR-FI_INV_YEAR sy-vline 
WA_FIQAWT_S_WITEM_STR-MM_INV_DOC sy-vline 
WA_FIQAWT_S_WITEM_STR-TOTAL_CONTRACT_VALUE sy-vline 
WA_FIQAWT_S_WITEM_STR-PACKNO sy-vline 
WA_FIQAWT_S_WITEM_STR-SRVPOS sy-vline 
WA_FIQAWT_S_WITEM_STR-NAME_CO sy-vline 
WA_FIQAWT_S_WITEM_STR-LIFNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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