ABAP Select data from SAP table CNTWKACTYBSCINFO into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNTWKACTYBSCINFO 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 CNTWKACTYBSCINFO. 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 CNTWKACTYBSCINFO 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_CNTWKACTYBSCINFO TYPE STANDARD TABLE OF CNTWKACTYBSCINFO,
      WA_CNTWKACTYBSCINFO TYPE CNTWKACTYBSCINFO,
      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: <CNTWKACTYBSCINFO> TYPE CNTWKACTYBSCINFO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNTWKACTYBSCINFO
*  INTO TABLE @DATA(IT_CNTWKACTYBSCINFO2).
*--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_CNTWKACTYBSCINFO INDEX 1 INTO DATA(WA_CNTWKACTYBSCINFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNTWKACTYBSCINFO>-MANDT = 1.
<CNTWKACTYBSCINFO>-PROJECTNETWORK = 1.
<CNTWKACTYBSCINFO>-NETWORKACTIVITY = 1.
<CNTWKACTYBSCINFO>-SUPERIORNTWKACTIVITYEXTERNALID = 1.
<CNTWKACTYBSCINFO>-VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNTWKACTYBSCINFO-NETWORKACTIVITYDESCRIPTION, sy-vline,
  WA_CNTWKACTYBSCINFO-WBSELEMENTINTERNALID, sy-vline,
  WA_CNTWKACTYBSCINFO-PROJECTNETWORKINTERNALID, sy-vline,
  WA_CNTWKACTYBSCINFO-NETWORKACTIVITYINTERNALID, sy-vline,
  WA_CNTWKACTYBSCINFO-NETWORKACTIVITYOBJECT, sy-vline,
  WA_CNTWKACTYBSCINFO-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNTWKACTYBSCINFO 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_CNTWKACTYBSCINFO 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_CNTWKACTYBSCINFO INTO WA_CNTWKACTYBSCINFO.


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

*Conversion exit NUMCV, internal->external for field NETWORKACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CNTWKACTYBSCINFO-NETWORKACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNTWKACTYBSCINFO-NETWORKACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field SUPERIORNTWKACTIVITYEXTERNALID
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CNTWKACTYBSCINFO-SUPERIORNTWKACTIVITYEXTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNTWKACTYBSCINFO-SUPERIORNTWKACTIVITYEXTERNALID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CNTWKACTYBSCINFO-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNTWKACTYBSCINFO-SUPPLIER.
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_CNTWKACTYBSCINFO_STR, 
MANDT TYPE STRING,
PROJECTNETWORK TYPE STRING,
NETWORKACTIVITY TYPE STRING,
SUPERIORNTWKACTIVITYEXTERNALID TYPE STRING,
VERSION TYPE STRING,
NETWORKACTIVITYDESCRIPTION TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
NETWORKACTIVITYINTERNALID TYPE STRING,
NETWORKACTIVITYOBJECT TYPE STRING,
PLANT TYPE STRING,
ACTYBSCSTARTDATECONSTRAINTTYPE TYPE STRING,
ACTYBSCENDDATECONSTRAINTTYPE TYPE STRING,
OPERATIONCONTROLPROFILENAME TYPE STRING,
NETWORKACTIVITYCONTROLPROFILE TYPE STRING,
PLANTNAME TYPE STRING,
SCHEDLDBASICLATESTSTARTDATE TYPE STRING,
SCHEDULEDBASICLATESTENDDATE TYPE STRING,
STANDARDDURATION TYPE STRING,
SCHEDLDBASICEARLIESTSTARTDATE TYPE STRING,
SCHEDLDBASICEARLIESTSTARTTIME TYPE STRING,
SCHEDLDBASICEARLIESTENDDATE TYPE STRING,
SCHEDLDBASICEARLIESTENDTIME TYPE STRING,
SCHEDLDBASICLATESTSTARTTIME TYPE STRING,
SCHEDLDBASICLATESTENDTIME TYPE STRING,
SCHEDLDFCSTDEARLIESTSTARTDATE TYPE STRING,
SCHEDLDFCSTDEARLIESTSTARTTIME TYPE STRING,
LATESTSCHEDLDFCSTDSTARTDATE TYPE STRING,
SCHEDLDFCSTDLATESTSTARTTIME TYPE STRING,
SCHEDLDFCSTDEARLIESTENDDATE TYPE STRING,
SCHEDLDFCSTDEARLIESTENDTIME TYPE STRING,
LATESTSCHEDLDFCSTDENDDATE TYPE STRING,
SCHEDLDFCSTDLATESTENDTIME TYPE STRING,
ACTUALSTARTDATE TYPE STRING,
ACTUALEXECUTIONSTARTTIME TYPE STRING,
ACTUALENDDATE TYPE STRING,
ACTUALEXECUTIONENDTIME TYPE STRING,
ISMARKEDFORDELETION TYPE STRING,
NETWORKACTIVITYPRIORITY TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERTEXT TYPE STRING,
FACTORYCALENDAR TYPE STRING,
NTWKACTIVITYWORKQUANTITYUNIT TYPE STRING,
NETWORKACTIVITYQUANTITYUNIT TYPE STRING,
NETWORKACTIVITYCURRENCY TYPE STRING,
STANDARDDURATIONUNIT TYPE STRING,
PLANNEDWORKQUANTITY TYPE STRING,
FORECASTEDWORKQTY TYPE STRING,
ACTUALWORKQUANTITY TYPE STRING,
REMAININGWORKQUANTITY TYPE STRING,
ACTIVITYQUANTITY TYPE STRING,
EXTERNALPROCESSINGPRICE TYPE STRING,
NETWORKACTIVITYCOST TYPE STRING,
COSTELEMENT TYPE STRING,
COSTELEMENTNAME TYPE STRING,
SUPPLIER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNTWKACTYBSCINFO_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_CNTWKACTYBSCINFO_STR-MANDT sy-vline 
WA_CNTWKACTYBSCINFO_STR-PROJECTNETWORK sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-SUPERIORNTWKACTIVITYEXTERNALID sy-vline 
WA_CNTWKACTYBSCINFO_STR-VERSION sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYDESCRIPTION sy-vline 
WA_CNTWKACTYBSCINFO_STR-WBSELEMENTINTERNALID sy-vline 
WA_CNTWKACTYBSCINFO_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYINTERNALID sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYOBJECT sy-vline 
WA_CNTWKACTYBSCINFO_STR-PLANT sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTYBSCSTARTDATECONSTRAINTTYPE sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTYBSCENDDATECONSTRAINTTYPE sy-vline 
WA_CNTWKACTYBSCINFO_STR-OPERATIONCONTROLPROFILENAME sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYCONTROLPROFILE sy-vline 
WA_CNTWKACTYBSCINFO_STR-PLANTNAME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICLATESTSTARTDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDULEDBASICLATESTENDDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-STANDARDDURATION sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICEARLIESTSTARTDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICEARLIESTSTARTTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICEARLIESTENDDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICEARLIESTENDTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICLATESTSTARTTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDBASICLATESTENDTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDEARLIESTSTARTDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDEARLIESTSTARTTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-LATESTSCHEDLDFCSTDSTARTDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDLATESTSTARTTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDEARLIESTENDDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDEARLIESTENDTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-LATESTSCHEDLDFCSTDENDDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-SCHEDLDFCSTDLATESTENDTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTUALSTARTDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTUALEXECUTIONSTARTTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTUALENDDATE sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTUALEXECUTIONENDTIME sy-vline 
WA_CNTWKACTYBSCINFO_STR-ISMARKEDFORDELETION sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYPRIORITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-WORKCENTER sy-vline 
WA_CNTWKACTYBSCINFO_STR-WORKCENTERTEXT sy-vline 
WA_CNTWKACTYBSCINFO_STR-FACTORYCALENDAR sy-vline 
WA_CNTWKACTYBSCINFO_STR-NTWKACTIVITYWORKQUANTITYUNIT sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYQUANTITYUNIT sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYCURRENCY sy-vline 
WA_CNTWKACTYBSCINFO_STR-STANDARDDURATIONUNIT sy-vline 
WA_CNTWKACTYBSCINFO_STR-PLANNEDWORKQUANTITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-FORECASTEDWORKQTY sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTUALWORKQUANTITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-REMAININGWORKQUANTITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-ACTIVITYQUANTITY sy-vline 
WA_CNTWKACTYBSCINFO_STR-EXTERNALPROCESSINGPRICE sy-vline 
WA_CNTWKACTYBSCINFO_STR-NETWORKACTIVITYCOST sy-vline 
WA_CNTWKACTYBSCINFO_STR-COSTELEMENT sy-vline 
WA_CNTWKACTYBSCINFO_STR-COSTELEMENTNAME sy-vline 
WA_CNTWKACTYBSCINFO_STR-SUPPLIER sy-vline      INTO ld_text SEPARATED BY SPACE.

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