ABAP Select data from SAP table ISOPERATIONACTIVITYWORKLISTTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISOPERATIONACTIVITYWORKLISTTP
*  INTO TABLE @DATA(IT_ISOPERATIONACTIVITYWORKLISTTP2).
*--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_ISOPERATIONACTIVITYWORKLISTTP INDEX 1 INTO DATA(WA_ISOPERATIONACTIVITYWORKLISTTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISOPERATIONACTIVITYWORKLISTTP>-KEY = 1.
<ISOPERATIONACTIVITYWORKLISTTP>-PARENT_KEY = 1.
<ISOPERATIONACTIVITYWORKLISTTP>-ROOT_KEY = 1.
<ISOPERATIONACTIVITYWORKLISTTP>-OPACTYNTWKINSTANCE = 1.
<ISOPERATIONACTIVITYWORKLISTTP>-OPACTYNTWKELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISOPERATIONACTIVITYWORKLISTTP-USERID, sy-vline,
  WA_ISOPERATIONACTIVITYWORKLISTTP-OPACTYNTWKELEMENTELEMENT, sy-vline,
  WA_ISOPERATIONACTIVITYWORKLISTTP-OPACTYNTWKELEMENTELMNTVERSCNTR, sy-vline,
  WA_ISOPERATIONACTIVITYWORKLISTTP-MANUFACTURINGORDER, sy-vline,
  WA_ISOPERATIONACTIVITYWORKLISTTP-MANUFACTURINGORDEROPERATION, sy-vline,
  WA_ISOPERATIONACTIVITYWORKLISTTP-MFGORDEROPERATIONTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISOPERATIONACTIVITYWORKLISTTP 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_ISOPERATIONACTIVITYWORKLISTTP 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_ISOPERATIONACTIVITYWORKLISTTP INTO WA_ISOPERATIONACTIVITYWORKLISTTP.


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

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

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

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

*Conversion exit ALPHA, internal->external for field OPACTYNTWKELEMENTEXTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISOPERATIONACTIVITYWORKLISTTP-OPACTYNTWKELEMENTEXTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISOPERATIONACTIVITYWORKLISTTP-OPACTYNTWKELEMENTEXTERNALID.
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_ISOPERATIONACTIVITYWORKLISTTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
USERID TYPE STRING,
OPACTYNTWKELEMENTELEMENT TYPE STRING,
OPACTYNTWKELEMENTELMNTVERSCNTR TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MANUFACTURINGORDEROPERATION TYPE STRING,
MFGORDEROPERATIONTEXT TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
STATUSANDACTIONSCHEMA TYPE STRING,
STATUSANDACTIONSCHEMASTATUS TYPE STRING,
SASSTATUSCATEGORY TYPE STRING,
PRODUCTIONUNIT TYPE STRING,
OPPLANNEDYIELDQUANTITY TYPE STRING,
OPPLANNEDSCRAPQUANTITY TYPE STRING,
OPERATIONEXECUTIONAVAILABLEQTY TYPE STRING,
OPACTYEXPDEXECUTIONDURATION TYPE STRING,
OPACTYEXPDEXECUTIONLABORDURN TYPE STRING,
DURATIONUNIT TYPE STRING,
OPACTYEXPDEXECDURNINSECONDS TYPE STRING,
OPACTYEXPDEXECLABORDURNINSECS TYPE STRING,
OPACTYNTWKELEMENTEXTERNALID TYPE STRING,
OPERATIONACTIVITYNETWORK TYPE STRING,
OPACTYNTWKVERSIONCOUNTER TYPE STRING,
OPACTYNTWKSEGMENTTYPE TYPE STRING,
OPACTYCONFISSFIBASED TYPE STRING,
OPACTYISSELDFORRTACTVPOSTG TYPE STRING,
NROFOPACTYUSERASSIGNMENTS TYPE STRING,
NROFOPACTYTEAMASSIGNMENTS TYPE STRING,
RESPYMGMTTEAMID TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
OPERATIONACTIVITY TYPE STRING,
OPERATIONACTYVERSIONCOUNTER TYPE STRING,
PRODUCTIONHOLD TYPE STRING,
OPLTSTSCHEDLDEXECSTRTDTETME TYPE STRING,
OPLTSTSCHEDLDEXECENDDTETME TYPE STRING,
OPACTUALEXECUTIONSTARTDATETIME TYPE STRING,
OPACTUALEXECUTIONENDDATETIME TYPE STRING,
MFGOPACTYEXECUTIONPRIORITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISOPERATIONACTIVITYWORKLISTTP_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_ISOPERATIONACTIVITYWORKLISTTP_STR-KEY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-PARENT_KEY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-ROOT_KEY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKINSTANCE sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKELEMENT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-USERID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKELEMENTELEMENT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKELEMENTELMNTVERSCNTR sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-MANUFACTURINGORDER sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-MANUFACTURINGORDEROPERATION sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-MFGORDEROPERATIONTEXT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-WORKCENTER sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-WORKCENTERINTERNALID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-WORKCENTERTYPECODE sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-PRODUCTIONPLANT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-STATUSANDACTIONSCHEMA sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-STATUSANDACTIONSCHEMASTATUS sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-SASSTATUSCATEGORY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-PRODUCTIONUNIT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPPLANNEDYIELDQUANTITY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPPLANNEDSCRAPQUANTITY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPERATIONEXECUTIONAVAILABLEQTY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYEXPDEXECUTIONDURATION sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYEXPDEXECUTIONLABORDURN sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-DURATIONUNIT sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYEXPDEXECDURNINSECONDS sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYEXPDEXECLABORDURNINSECS sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKELEMENTEXTERNALID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPERATIONACTIVITYNETWORK sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKVERSIONCOUNTER sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYNTWKSEGMENTTYPE sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYCONFISSFIBASED sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTYISSELDFORRTACTVPOSTG sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-NROFOPACTYUSERASSIGNMENTS sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-NROFOPACTYTEAMASSIGNMENTS sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-RESPYMGMTTEAMID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-ORDERINTERNALID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPERATIONACTIVITY sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPERATIONACTYVERSIONCOUNTER sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-PRODUCTIONHOLD sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPLTSTSCHEDLDEXECSTRTDTETME sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPLTSTSCHEDLDEXECENDDTETME sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTUALEXECUTIONSTARTDATETIME sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-OPACTUALEXECUTIONENDDATETIME sy-vline 
WA_ISOPERATIONACTIVITYWORKLISTTP_STR-MFGOPACTYEXECUTIONPRIORITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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