ABAP Select data from SAP table WB2_S_TCITEMDETAIL_SEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP WB2_S_TCITEMDETAIL_SEL 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 WB2_S_TCITEMDETAIL_SEL. 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 WB2_S_TCITEMDETAIL_SEL 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_WB2_S_TCITEMDETAIL_SEL TYPE STANDARD TABLE OF WB2_S_TCITEMDETAIL_SEL,
      WA_WB2_S_TCITEMDETAIL_SEL TYPE WB2_S_TCITEMDETAIL_SEL,
      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: <WB2_S_TCITEMDETAIL_SEL> TYPE WB2_S_TCITEMDETAIL_SEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_WB2_S_TCITEMDETAIL_SEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM WB2_S_TCITEMDETAIL_SEL
  INTO TABLE IT_WB2_S_TCITEMDETAIL_SEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WB2_S_TCITEMDETAIL_SEL
*  INTO TABLE @DATA(IT_WB2_S_TCITEMDETAIL_SEL2).
*--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_WB2_S_TCITEMDETAIL_SEL INDEX 1 INTO DATA(WA_WB2_S_TCITEMDETAIL_SEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_WB2_S_TCITEMDETAIL_SEL ASSIGNING <WB2_S_TCITEMDETAIL_SEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WB2_S_TCITEMDETAIL_SEL>-TKONN = 1.
<WB2_S_TCITEMDETAIL_SEL>-TPOSN = 1.
<WB2_S_TCITEMDETAIL_SEL>-TPOSN_ITEM_WBHD = 1.
<WB2_S_TCITEMDETAIL_SEL>-MATERIAL_GROUP = 1.
<WB2_S_TCITEMDETAIL_SEL>-MATERIAL_GROUP_NAME = 1.

ENDLOOP.

LOOP AT IT_WB2_S_TCITEMDETAIL_SEL INTO WA_WB2_S_TCITEMDETAIL_SEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WB2_S_TCITEMDETAIL_SEL-PRICE_PURCH, sy-vline,
  WA_WB2_S_TCITEMDETAIL_SEL-CURRENCY_PURCH, sy-vline,
  WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_PURCH, sy-vline,
  WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_OF_MEASURE_PURCH, sy-vline,
  WA_WB2_S_TCITEMDETAIL_SEL-PRICE_SALES, sy-vline,
  WA_WB2_S_TCITEMDETAIL_SEL-CURRENCY_SALES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WB2_S_TCITEMDETAIL_SEL 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_WB2_S_TCITEMDETAIL_SEL 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_WB2_S_TCITEMDETAIL_SEL INTO WA_WB2_S_TCITEMDETAIL_SEL.


*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 TKONN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-TKONN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-TKONN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRICE_UNIT_OF_MEASURE_PURCH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_OF_MEASURE_PURCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_OF_MEASURE_PURCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRICE_UNIT_OF_MEASURE_SALES
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_OF_MEASURE_SALES
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-PRICE_UNIT_OF_MEASURE_SALES.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-COST_CENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFIT_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-PROFIT_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-PROFIT_CENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-WBS_ELEMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLANT_ADDRESS_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WB2_S_TCITEMDETAIL_SEL-PLANT_ADDRESS_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WB2_S_TCITEMDETAIL_SEL-PLANT_ADDRESS_NUMBER.
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_WB2_S_TCITEMDETAIL_SEL_STR, 
TKONN TYPE STRING,
TPOSN TYPE STRING,
TPOSN_ITEM_WBHD TYPE STRING,
MATERIAL_GROUP TYPE STRING,
MATERIAL_GROUP_NAME TYPE STRING,
PRICE_PURCH TYPE STRING,
CURRENCY_PURCH TYPE STRING,
PRICE_UNIT_PURCH TYPE STRING,
PRICE_UNIT_OF_MEASURE_PURCH TYPE STRING,
PRICE_SALES TYPE STRING,
CURRENCY_SALES TYPE STRING,
PRICE_UNIT_SALES TYPE STRING,
PRICE_UNIT_OF_MEASURE_SALES TYPE STRING,
INCO1_SD TYPE STRING,
INCO1_SD_NAME TYPE STRING,
INCO1_SD_ITEM TYPE STRING,
INCO1_SD_ITEM_NAME TYPE STRING,
INCO2_SD TYPE STRING,
INCO2_SD_ITEM TYPE STRING,
INCO1_MM TYPE STRING,
INCO1_MM_NAME TYPE STRING,
INCO1_MM_ITEM TYPE STRING,
INCO1_MM_ITEM_NAME TYPE STRING,
INCO2_MM TYPE STRING,
INCO2_MM_ITEM TYPE STRING,
PRSDT_SD TYPE STRING,
PRSDT_MM TYPE STRING,
PRSDT_SD_ITEM TYPE STRING,
PRSDT_MM_ITEM TYPE STRING,
EINDT TYPE STRING,
EINDT_ITEM TYPE STRING,
LPEIN_INT TYPE STRING,
LPEIN_INT_ITEM TYPE STRING,
EDATU_VBAK TYPE STRING,
EDATU_VBAK_ITEM TYPE STRING,
PRGRS_VBAK TYPE STRING,
PRGRS_VBAK_ITEM TYPE STRING,
COST_CENTER TYPE STRING,
COST_CENTER_NAME TYPE STRING,
PROFIT_CENTER TYPE STRING,
PROFIT_CENTER_NAME TYPE STRING,
BUSINESS_AREA TYPE STRING,
BUSINESS_AREA_NAME TYPE STRING,
WBS_ELEMENT TYPE STRING,
WBS_ELEMENT_NAME TYPE STRING,
PLANT TYPE STRING,
PLANT_NAME TYPE STRING,
PLANT_ADDRESS_NUMBER TYPE STRING,
INCOV_SD TYPE STRING,
INCOV_SD_ITEM TYPE STRING,
INCO2_L_SD TYPE STRING,
INCO2_L_SD_ITEM TYPE STRING,
INCO3_L_SD TYPE STRING,
INCO3_L_SD_ITEM TYPE STRING,
INCOV_MM TYPE STRING,
INCOV_MM_ITEM TYPE STRING,
INCO2_L_MM TYPE STRING,
INCO2_L_MM_ITEM TYPE STRING,
INCO3_L_MM TYPE STRING,
INCO3_L_MM_ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WB2_S_TCITEMDETAIL_SEL_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_WB2_S_TCITEMDETAIL_SEL_STR-TKONN sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-TPOSN sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-TPOSN_ITEM_WBHD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-MATERIAL_GROUP sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-MATERIAL_GROUP_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_PURCH sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-CURRENCY_PURCH sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_UNIT_PURCH sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_UNIT_OF_MEASURE_PURCH sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_SALES sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-CURRENCY_SALES sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_UNIT_SALES sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRICE_UNIT_OF_MEASURE_SALES sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_SD_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_SD_ITEM_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_MM_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_MM_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO1_MM_ITEM_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_MM_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRSDT_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRSDT_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRSDT_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRSDT_MM_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-EINDT sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-EINDT_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-LPEIN_INT sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-LPEIN_INT_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-EDATU_VBAK sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-EDATU_VBAK_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRGRS_VBAK sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PRGRS_VBAK_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-COST_CENTER sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-COST_CENTER_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PROFIT_CENTER sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PROFIT_CENTER_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-BUSINESS_AREA sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-BUSINESS_AREA_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-WBS_ELEMENT sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-WBS_ELEMENT_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PLANT sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PLANT_NAME sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-PLANT_ADDRESS_NUMBER sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCOV_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCOV_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_L_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_L_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO3_L_SD sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO3_L_SD_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCOV_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCOV_MM_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_L_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO2_L_MM_ITEM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO3_L_MM sy-vline 
WA_WB2_S_TCITEMDETAIL_SEL_STR-INCO3_L_MM_ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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