ABAP Select data from SAP table IWIPDETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IWIPDETAIL
*  INTO TABLE @DATA(IT_IWIPDETAIL2).
*--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_IWIPDETAIL INDEX 1 INTO DATA(WA_IWIPDETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IWIPDETAIL>-MANDT = 1.
<IWIPDETAIL>-POSTINGPERIOD = 1.
<IWIPDETAIL>-TRANSACTIONCURRENCY = 1.
<IWIPDETAIL>-UNITOFMEASURE = 1.
<IWIPDETAIL>-COSTELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IWIPDETAIL-COSTCENTER, sy-vline,
  WA_IWIPDETAIL-COSTCTRACTIVITYTYPE, sy-vline,
  WA_IWIPDETAIL-MATERIAL, sy-vline,
  WA_IWIPDETAIL-BUSINESSPROCESS, sy-vline,
  WA_IWIPDETAIL-PERSONNELNUMBER, sy-vline,
  WA_IWIPDETAIL-MANUALINVOICEITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IWIPDETAIL 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_IWIPDETAIL 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_IWIPDETAIL INTO WA_IWIPDETAIL.


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

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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IWIPDETAIL-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IWIPDETAIL-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit PRSWP, internal->external for field CALENDARMONTH
CALL FUNCTION 'CONVERSION_EXIT_PRSWP_OUTPUT'
  EXPORTING
    input =                      WA_IWIPDETAIL-CALENDARMONTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IWIPDETAIL-CALENDARMONTH.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field SOLDMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IWIPDETAIL-SOLDMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IWIPDETAIL-SOLDMATERIAL.
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_IWIPDETAIL_STR, 
MANDT TYPE STRING,
POSTINGPERIOD TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
UNITOFMEASURE TYPE STRING,
COSTELEMENT TYPE STRING,
COSTCENTER TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
MATERIAL TYPE STRING,
BUSINESSPROCESS TYPE STRING,
PERSONNELNUMBER TYPE STRING,
MANUALINVOICEITEM TYPE STRING,
PROFITCENTER TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
CONTROLLINGDOCUMENT TYPE STRING,
CONTROLLINGDOCUMENTITEM TYPE STRING,
BILLINGDOCUMENTCATEGORY TYPE STRING,
BILLINGPLANITEMUSAGE TYPE STRING,
WORKITEM TYPE STRING,
ENGAGEMENTPROJECTSERVICEORG TYPE STRING,
ACCOUNTINGINDICATORCODE TYPE STRING,
COSTANALYSISRESOURCE TYPE STRING,
CALENDARMONTH TYPE STRING,
TIMESHEETOVERTIMECATEGORY TYPE STRING,
RESULTANALYSISVERSION TYPE STRING,
SERVICESRENDEREDDATE TYPE STRING,
TRANSACCRCYFORINVOICEAMOUNT TYPE STRING,
OBJECTCRCYFORINVOICEAMOUNT TYPE STRING,
CTRLGAREACRCYFORINVOICEAMOUNT TYPE STRING,
FORINVOICEQUANTITY TYPE STRING,
TRANSACCRCYFORRJCNAMOUNT TYPE STRING,
OBJECTCRCYFORRJCNAMOUNT TYPE STRING,
CTRLGAREACRCYFORRJCNAMOUNT TYPE STRING,
FORRJCNQUANTITY TYPE STRING,
SALESDOCUMENTITEMCURRENCY TYPE STRING,
TRANSACCRCYINVOICEDAMOUNT TYPE STRING,
OBJECTCRCYINVOICEDAMOUNT TYPE STRING,
CTRLGAREACRCYINVOICEDAMOUNT TYPE STRING,
INVOICEDQUANTITY TYPE STRING,
REJECTEDAMTINTRANSCRCY TYPE STRING,
REJECTEDAMOUNTINOBJECTCURRENCY TYPE STRING,
REJECTEDAMOUNTINCTRLGAREACRCY TYPE STRING,
REJECTEDQUANTITY TYPE STRING,
TRANSACCRCYWIPAMOUNT TYPE STRING,
OBJECTCRCYWIPAMOUNT TYPE STRING,
CTRLGAREACRCYWIPAMOUNT TYPE STRING,
WIPQUANTITY TYPE STRING,
TOTTRANSACCRCYINVOICESIMLNAMT TYPE STRING,
TOTOBJECTCRCYINVOICESIMLNAMT TYPE STRING,
TOTCTRLGAREACRCYINVCSIMLNAMT TYPE STRING,
CONTROLLINGOBJECTCURRENCY TYPE STRING,
CONTROLLINGAREACURRENCY TYPE STRING,
TRANSACCURRENCYINVOICESIMLN TYPE STRING,
REVENUECOSTELEMENT TYPE STRING,
SOLDMATERIAL TYPE STRING,
TRANSACCRCYINVOICESIMLNAMT TYPE STRING,
OBJECTCRCYINVOICESIMLNAMT TYPE STRING,
CTRLGAREACRCYINVOICESIMLNAMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IWIPDETAIL_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_IWIPDETAIL_STR-MANDT sy-vline 
WA_IWIPDETAIL_STR-POSTINGPERIOD sy-vline 
WA_IWIPDETAIL_STR-TRANSACTIONCURRENCY sy-vline 
WA_IWIPDETAIL_STR-UNITOFMEASURE sy-vline 
WA_IWIPDETAIL_STR-COSTELEMENT sy-vline 
WA_IWIPDETAIL_STR-COSTCENTER sy-vline 
WA_IWIPDETAIL_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_IWIPDETAIL_STR-MATERIAL sy-vline 
WA_IWIPDETAIL_STR-BUSINESSPROCESS sy-vline 
WA_IWIPDETAIL_STR-PERSONNELNUMBER sy-vline 
WA_IWIPDETAIL_STR-MANUALINVOICEITEM sy-vline 
WA_IWIPDETAIL_STR-PROFITCENTER sy-vline 
WA_IWIPDETAIL_STR-CONTROLLINGOBJECT sy-vline 
WA_IWIPDETAIL_STR-CONTROLLINGDOCUMENT sy-vline 
WA_IWIPDETAIL_STR-CONTROLLINGDOCUMENTITEM sy-vline 
WA_IWIPDETAIL_STR-BILLINGDOCUMENTCATEGORY sy-vline 
WA_IWIPDETAIL_STR-BILLINGPLANITEMUSAGE sy-vline 
WA_IWIPDETAIL_STR-WORKITEM sy-vline 
WA_IWIPDETAIL_STR-ENGAGEMENTPROJECTSERVICEORG sy-vline 
WA_IWIPDETAIL_STR-ACCOUNTINGINDICATORCODE sy-vline 
WA_IWIPDETAIL_STR-COSTANALYSISRESOURCE sy-vline 
WA_IWIPDETAIL_STR-CALENDARMONTH sy-vline 
WA_IWIPDETAIL_STR-TIMESHEETOVERTIMECATEGORY sy-vline 
WA_IWIPDETAIL_STR-RESULTANALYSISVERSION sy-vline 
WA_IWIPDETAIL_STR-SERVICESRENDEREDDATE sy-vline 
WA_IWIPDETAIL_STR-TRANSACCRCYFORINVOICEAMOUNT sy-vline 
WA_IWIPDETAIL_STR-OBJECTCRCYFORINVOICEAMOUNT sy-vline 
WA_IWIPDETAIL_STR-CTRLGAREACRCYFORINVOICEAMOUNT sy-vline 
WA_IWIPDETAIL_STR-FORINVOICEQUANTITY sy-vline 
WA_IWIPDETAIL_STR-TRANSACCRCYFORRJCNAMOUNT sy-vline 
WA_IWIPDETAIL_STR-OBJECTCRCYFORRJCNAMOUNT sy-vline 
WA_IWIPDETAIL_STR-CTRLGAREACRCYFORRJCNAMOUNT sy-vline 
WA_IWIPDETAIL_STR-FORRJCNQUANTITY sy-vline 
WA_IWIPDETAIL_STR-SALESDOCUMENTITEMCURRENCY sy-vline 
WA_IWIPDETAIL_STR-TRANSACCRCYINVOICEDAMOUNT sy-vline 
WA_IWIPDETAIL_STR-OBJECTCRCYINVOICEDAMOUNT sy-vline 
WA_IWIPDETAIL_STR-CTRLGAREACRCYINVOICEDAMOUNT sy-vline 
WA_IWIPDETAIL_STR-INVOICEDQUANTITY sy-vline 
WA_IWIPDETAIL_STR-REJECTEDAMTINTRANSCRCY sy-vline 
WA_IWIPDETAIL_STR-REJECTEDAMOUNTINOBJECTCURRENCY sy-vline 
WA_IWIPDETAIL_STR-REJECTEDAMOUNTINCTRLGAREACRCY sy-vline 
WA_IWIPDETAIL_STR-REJECTEDQUANTITY sy-vline 
WA_IWIPDETAIL_STR-TRANSACCRCYWIPAMOUNT sy-vline 
WA_IWIPDETAIL_STR-OBJECTCRCYWIPAMOUNT sy-vline 
WA_IWIPDETAIL_STR-CTRLGAREACRCYWIPAMOUNT sy-vline 
WA_IWIPDETAIL_STR-WIPQUANTITY sy-vline 
WA_IWIPDETAIL_STR-TOTTRANSACCRCYINVOICESIMLNAMT sy-vline 
WA_IWIPDETAIL_STR-TOTOBJECTCRCYINVOICESIMLNAMT sy-vline 
WA_IWIPDETAIL_STR-TOTCTRLGAREACRCYINVCSIMLNAMT sy-vline 
WA_IWIPDETAIL_STR-CONTROLLINGOBJECTCURRENCY sy-vline 
WA_IWIPDETAIL_STR-CONTROLLINGAREACURRENCY sy-vline 
WA_IWIPDETAIL_STR-TRANSACCURRENCYINVOICESIMLN sy-vline 
WA_IWIPDETAIL_STR-REVENUECOSTELEMENT sy-vline 
WA_IWIPDETAIL_STR-SOLDMATERIAL sy-vline 
WA_IWIPDETAIL_STR-TRANSACCRCYINVOICESIMLNAMT sy-vline 
WA_IWIPDETAIL_STR-OBJECTCRCYINVOICESIMLNAMT sy-vline 
WA_IWIPDETAIL_STR-CTRLGAREACRCYINVOICESIMLNAMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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