ABAP Select data from SAP table CWFTSKCLSDFIQRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CWFTSKCLSDFIQRY
*  INTO TABLE @DATA(IT_CWFTSKCLSDFIQRY2).
*--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_CWFTSKCLSDFIQRY INDEX 1 INTO DATA(WA_CWFTSKCLSDFIQRY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CWFTSKCLSDFIQRY>-MANDT = 1.
<CWFTSKCLSDFIQRY>-WORKFLOWTASKINTERNALID = 1.
<CWFTSKCLSDFIQRY>-WORKFLOWTASKSTATUS = 1.
<CWFTSKCLSDFIQRY>-MDGOVCHGREQSTEP = 1.
<CWFTSKCLSDFIQRY>-MDGOVCHGREQACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CWFTSKCLSDFIQRY-CREATIONDATE, sy-vline,
  WA_CWFTSKCLSDFIQRY-CREATIONDATETIME, sy-vline,
  WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKCRTNYEAR, sy-vline,
  WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKCRTNMONTH, sy-vline,
  WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKCRTNTME, sy-vline,
  WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKCOMPLTNTME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CWFTSKCLSDFIQRY 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_CWFTSKCLSDFIQRY 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_CWFTSKCLSDFIQRY INTO WA_CWFTSKCLSDFIQRY.


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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field MDGOVCHGREQWRKFLWTSKHOURUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKHOURUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CWFTSKCLSDFIQRY-MDGOVCHGREQWRKFLWTSKHOURUNIT.
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_CWFTSKCLSDFIQRY_STR, 
MANDT TYPE STRING,
WORKFLOWTASKINTERNALID TYPE STRING,
WORKFLOWTASKSTATUS TYPE STRING,
MDGOVCHGREQSTEP TYPE STRING,
MDGOVCHGREQACTION TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONDATETIME TYPE STRING,
MDGOVCHGREQWRKFLWTSKCRTNYEAR TYPE STRING,
MDGOVCHGREQWRKFLWTSKCRTNMONTH TYPE STRING,
MDGOVCHGREQWRKFLWTSKCRTNTME TYPE STRING,
MDGOVCHGREQWRKFLWTSKCOMPLTNTME TYPE STRING,
MDGOVCHGREQWRKFLWTSKCOMPLTNDTE TYPE STRING,
MDGOVWRKFLWTSKCOMPLTNMONTH TYPE STRING,
MDGOVWRKFLWTSKCOMPLTNYEAR TYPE STRING,
TOPLEVELWORKFLOWTASK TYPE STRING,
WORKFLOWTASKCURRENTUSER TYPE STRING,
WORKFLOWTASKDEFINITION TYPE STRING,
TOPLEVELWORKFLOWTASKDEFINITION TYPE STRING,
WORKFLOWTASKCREATEDBYUSER TYPE STRING,
MDGOVWRKFLWTSKPROCGDAYSINTVL TYPE STRING,
MDGOVWRKFLWTSKPROCGHRSINTVL TYPE STRING,
MDGOVWRKFLWTSKWRKDAYSINTVL TYPE STRING,
MDGOVCHANGEREQUEST TYPE STRING,
MDGOVCHGREQDESCRIPTION TYPE STRING,
MDGOVCHGREQSTATUS TYPE STRING,
MDGOVCHGREQTYPE TYPE STRING,
MDGOVDATAMODEL TYPE STRING,
MDGOVEDITION TYPE STRING,
MDGOVCHGREQPRIORITY TYPE STRING,
MDGOVCHGREQREASON TYPE STRING,
CREATEDBYUSER TYPE STRING,
MDGOVCHGREQCHANGEDATETIME TYPE STRING,
MDGOVCHGREQCHANGEDBYUSER TYPE STRING,
MDGOVCHGREQRELEASEDATETIME TYPE STRING,
MDGOVCHGREQRELEASEDBYUSER TYPE STRING,
MDGOVCHGREQDATAISACTIVATED TYPE STRING,
MDGOVCHGREQDUEDATE TYPE STRING,
MDGOVCHGREQREJECTIONREASON TYPE STRING,
MDGOVCHGREQCREATIONDATE TYPE STRING,
MDGOVCHGREQISOVERDUE TYPE STRING,
MDGOVCHGREQISOPEN TYPE STRING,
MDGOVBUSINESSACTIVITY TYPE STRING,
MDCHGPROCESSWORKFLOWTEMPLATE TYPE STRING,
MDGOVCHGREQTYPEISPARALLEL TYPE STRING,
MDGOVEDITIONTYPE TYPE STRING,
BUSINESSOBJECTTYPE TYPE STRING,
MDGOVCHGREQNMBROFWRKFLWTSKS TYPE STRING,
MDGOVCHGREQWRKFLWTSKDAYUNIT TYPE STRING,
MDGOVCHGREQWRKFLWTSKDURNUNIT TYPE STRING,
MDGOVWRKFLWTSKAVGWORKDAYUNIT TYPE STRING,
MDGOVWRKFLWTSKWRKDURNUNIT TYPE STRING,
MDGOVCHGREQWRKFLWTSKHOURUNIT TYPE STRING,
MDGOVWRKFLWTSKAVGPROCGDURN TYPE STRING,
MDGOVWRKFLWTSKAVGPROCGHRS TYPE STRING,
MDGOVCHGREQWRKFLWTSKPROCGDURN TYPE STRING,
MDGOVWRKFLWTSKAVGPROCGWORKDAYS TYPE STRING,
MDGOVWRKFLWTSKPROCGWRKDURN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CWFTSKCLSDFIQRY_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_CWFTSKCLSDFIQRY_STR-MANDT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-WORKFLOWTASKINTERNALID sy-vline 
WA_CWFTSKCLSDFIQRY_STR-WORKFLOWTASKSTATUS sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQSTEP sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQACTION sy-vline 
WA_CWFTSKCLSDFIQRY_STR-CREATIONDATE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-CREATIONDATETIME sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKCRTNYEAR sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKCRTNMONTH sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKCRTNTME sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKCOMPLTNTME sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKCOMPLTNDTE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKCOMPLTNMONTH sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKCOMPLTNYEAR sy-vline 
WA_CWFTSKCLSDFIQRY_STR-TOPLEVELWORKFLOWTASK sy-vline 
WA_CWFTSKCLSDFIQRY_STR-WORKFLOWTASKCURRENTUSER sy-vline 
WA_CWFTSKCLSDFIQRY_STR-WORKFLOWTASKDEFINITION sy-vline 
WA_CWFTSKCLSDFIQRY_STR-TOPLEVELWORKFLOWTASKDEFINITION sy-vline 
WA_CWFTSKCLSDFIQRY_STR-WORKFLOWTASKCREATEDBYUSER sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKPROCGDAYSINTVL sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKPROCGHRSINTVL sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKWRKDAYSINTVL sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHANGEREQUEST sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQDESCRIPTION sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQSTATUS sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQTYPE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVDATAMODEL sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVEDITION sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQPRIORITY sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQREASON sy-vline 
WA_CWFTSKCLSDFIQRY_STR-CREATEDBYUSER sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQCHANGEDATETIME sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQCHANGEDBYUSER sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQRELEASEDATETIME sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQRELEASEDBYUSER sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQDATAISACTIVATED sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQDUEDATE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQREJECTIONREASON sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQCREATIONDATE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQISOVERDUE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQISOPEN sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVBUSINESSACTIVITY sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDCHGPROCESSWORKFLOWTEMPLATE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQTYPEISPARALLEL sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVEDITIONTYPE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-BUSINESSOBJECTTYPE sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQNMBROFWRKFLWTSKS sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKDAYUNIT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKDURNUNIT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKAVGWORKDAYUNIT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKWRKDURNUNIT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKHOURUNIT sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKAVGPROCGDURN sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKAVGPROCGHRS sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVCHGREQWRKFLWTSKPROCGDURN sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKAVGPROCGWORKDAYS sy-vline 
WA_CWFTSKCLSDFIQRY_STR-MDGOVWRKFLWTSKPROCGWRKDURN sy-vline      INTO ld_text SEPARATED BY SPACE.

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