Call of function/stored procedure of dashboards

Hi all

My requirement is to call a stored procedure /function of dashboard and display the result in the dashboard.

I created a function that takes in 2 dates and restores the lines in this date range

(1) creation of function

create or replace FUNCTION FUNC3 (BDATE TIMESTAMP, EDATE TIMESTAMP) return as sys_refcursor
R1 sys_refcursor;
BEGIN open for r1
SELECT * FROM EMP WHERE HIREDATE BETWEEN BDATE AND EDATE.
Return (R1);
END;


(2) created a dashboard quickly start date and the end date and the variable defined as variable presentation 'Pre_B1Date' & 'Pre_E1Date '.

(3) created a request directly to the database as

SELECT FUNC3 (to_date (' @{Pre_B1Date} ',' YYYY/MM/DD hh: mi PM'), to_date (' @{Pre_B1Date} ',' YYYY/MM/DD hh: mi PM')) FROM DUAL

(4) that I've created a dashboard with the above command prompt & demand live, but when I try to open the dashboard why the BI server is blocking down.

gave me an error

Error codes: OPR4ONWY:U9IM8TAC:OI2DL65P
State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error occurred. [nQSError: 12002] Communication to the socket call = recv error: (10054 = number) an existing connection has to be closed by the remote host. (HY000)

Publ. SQL: {call NQSGetQueryColumnInfo (' EXECUTE the PHYSICAL "Con pool Scott" CONNECTION POOL SELECT FUNC3 (to_date ("@{Pre_BDate}","YYYY/MM/DD hh: mi PM"), to_date ("@{Pre_BDate}","YYYY/MM/DD hh: mi PM")) FROM DUAL')}


have one never faced this problem?

or is there another way to call a funcation stored dashboards, /procedure
where you can pass the variables of the presentation and view the output put this /procedure function

Thank you
sangov

Yes.

You can't return a cursor in a column in a select statement. You must use a piplined function (also known as table function).
http://gerardnico.com/wiki/language/PLSQL/plsql_pipelined_function

You'll find yourself with:

select * from FUNC3(BDATE,EDATE) 

See you soon
Nico

Published by: gerardnico on July 31, 2009 11:35 remove the data type in the select

Tags: Business Intelligence

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                          (ub4) 0,
                          OCI_ATTR_SESSION,
                          errhp);
    
      /* allocate the statement handle */
      result = OCIHandleAlloc((dvoid *) envhp,
                              (dvoid **) &stmtp,
                              OCI_HTYPE_STMT,
                              0,
                              (dvoid **) 0);
    
      /* prepare the statement for execution */
      result = OCIStmtPrepare(stmtp,
                              errhp,
                              sqlstmt,
                              (ub4) strlen((char *) sqlstmt),
                              OCI_NTV_SYNTAX,
                              OCI_DEFAULT);
    
      /* allocate the handle for the ref cursor */
      result = OCIHandleAlloc((dvoid *) envhp,
                              (void **) &cursr,
                              OCI_HTYPE_STMT,
                              0,
                              NULL);
    
      /* bind the ref cursor parameter */
      result = OCIBindByPos(stmtp,
                            &bndp1,
                            errhp,
                            1,
                            &cursr,
                            0,
                            SQLT_RSET,
                            NULL,
                            0,
                            NULL,
                            0,
                            0,
                            OCI_DEFAULT);
    
      /* execute the statement */
      result = OCIStmtExecute(svchp,
                              stmtp,
                              errhp,
                              1,
                              0,
                              NULL,
                              NULL,
                              OCI_DEFAULT);  
    
      /* get parameter descriptor for first column */
      result = OCIParamGet((dvoid *) cursr,
                           OCI_HTYPE_STMT,
                           errhp,
                           (dvoid **) &prmp1,
                           (ub4) 1);
    
      /* get parameter descriptor for second column */
      result = OCIParamGet((dvoid *) cursr,
                           OCI_HTYPE_STMT,
                           errhp,
                           (dvoid **) &prmp2,
                           (ub4) 2);
    
      /* get parameter descriptor for third column */
      result = OCIParamGet((dvoid *) cursr,
                           OCI_HTYPE_STMT,
                           errhp,
                           (dvoid **) &prmp3,
                           (ub4) 3);
    
      /* get the first column width in characters */
      result = OCIAttrGet((dvoid*) prmp1,
                          (ub4) OCI_DTYPE_PARAM,
                          (dvoid*) &col_width,
                          (ub4 *) 0,
                          (ub4) OCI_ATTR_DATA_SIZE,
                          errhp);
    
      /* allocate memory to hold the result */
      pEmpId = (oratext *) malloc(sizeof(oratext) * (col_width + 1));
    
      /* define the first column in the results */
      result = OCIDefineByPos(cursr,
                              &defp1,
                              errhp,
                              1,
                              (dvoid *) pEmpId,
                              (sword) col_width + 1,
                              SQLT_STR,
                              (dvoid *) NULL,
                              (ub2 *) 0,
                              (ub2 *) 0,
                              OCI_DEFAULT);
    
      /* get the second column width in characters */
      result = OCIAttrGet((dvoid*) prmp2,
                          (ub4) OCI_DTYPE_PARAM,
                          (dvoid*) &col_width,
                          (ub4 *) 0,
                          (ub4) OCI_ATTR_DATA_SIZE,
                          errhp);
    
      /* allocate memory to hold the result */
      pFirstName = (oratext *) malloc(sizeof(oratext) * (col_width + 1));
    
      /* define the second column in the results */
      result = OCIDefineByPos(cursr,
                              &defp2,
                              errhp,
                              2,
                              (dvoid *) pFirstName,
                              (sword) col_width + 1,
                              SQLT_STR,
                              (dvoid *) NULL,
                              (ub2 *) 0,
                              (ub2 *) 0,
                              OCI_DEFAULT);
    
      /* get the third column width in characters */
      result = OCIAttrGet((dvoid*) prmp3,
                          (ub4) OCI_DTYPE_PARAM,
                          (dvoid*) &col_width,
                          (ub4 *) 0,
                          (ub4) OCI_ATTR_DATA_SIZE,
                          errhp);
    
      /* allocate memory to hold the result */
      pLastName = (oratext *) malloc(sizeof(oratext) * (col_width + 1));
    
      /* define the third column in the results */
      result = OCIDefineByPos(cursr,
                              &defp3,
                              errhp,
                              3,
                              (dvoid *) pLastName,
                              (sword) col_width + 1,
                              SQLT_STR,
                              (dvoid *) NULL,
                              (ub2 *) 0,
                              (ub2 *) 0,
                              OCI_DEFAULT);
    
      /* loop through and print the results */
      while ((result = OCIStmtFetch(cursr,
                                    errhp,
                                    (ub4) 1,
                                    (ub2) OCI_FETCH_NEXT,
                                    (ub4) OCI_DEFAULT)) == OCI_SUCCESS)
      {
        printf("Employee ID: %s\n", pEmpId);
        printf(" First Name: %s\n", pFirstName);
        printf("  Last Name: %s\n\n", pLastName);
      }
    
      /* free allocated memory */
      free(pEmpId);
      free(pFirstName);
      free(pLastName);
    
      pEmpId = NULL;
      pFirstName = NULL;
      pLastName = NULL;
    
      /* terminate the session with the database */
      result = OCISessionEnd(svchp, errhp, usrhp, OCI_DEFAULT);
    
      /* detach from the server */
      result = OCIServerDetach(srvhp, errhp, OCI_DEFAULT);
    
      /* deallocate the environment handle     */
      /* OCI will deallocate the child handles */
      result = OCIHandleFree((dvoid *) envhp, OCI_HTYPE_ENV);
    
      return OCI_SUCCESS;
    }
    
    void checkerr(sword status, OCIError *errhp)
    {
      oratext errbuf[512];
      sb4 errcode = 0;
    
      switch (status) {
        case OCI_SUCCESS:
          break;
    
        case OCI_ERROR:
        case OCI_SUCCESS_WITH_INFO:
          (void) OCIErrorGet((dvoid *) errhp, (ub4) 1, (oratext *) NULL, &errcode, errbuf, (ub4) sizeof(errbuf), OCI_HTYPE_ERROR);
          (void) printf("Error: %.*s\n", sizeof(errbuf), errbuf);
          break;
    
        case OCI_NEED_DATA:
          (void) printf("Error - OCI_NEED_DATA\n");
          break;
    
        case OCI_NO_DATA:
          (void) printf("Error - OCI_NO_DATA\n");
          break;
    
        case OCI_INVALID_HANDLE:
          (void) printf("Error - OCI_INVALID_HANDLE\n");
          break;
    
        case OCI_STILL_EXECUTING:
          (void) printf("Error - OCI_STILL_EXECUTING\n");
          break;
    
        case OCI_CONTINUE:
          (void) printf("Error - OCI_CONTINUE\n");
          break;
    
        default:
          break;
      }
    }
    
  • [BC] Call a stored procedure taking parameters of table

    Hello!

    I currently have a request of the OIC that makes thousands of calls per second stored procedure. The stored procedure runs a business logic that I want my client application to stay informed.  I want to reduce the cat of the database and instead to call the stored procedure from thousands of times per second, call the procedure (for example) once per second, but with values of one mile.

    I used OCIBindArrayOfStruct successfully to perform inserts bulk, where my OCI application executes a () INSERT INTO using the function "iters" and it might be possible to do something similar with the stored procedure, but I want to do something slightly different, because the procedure stored something like this:

    * If a specific condition is set, call a secondary stored procedure

    * If another special condition is set, insert a row into a table of some

    I so wanted to do was to pass a table (or a series of tables) in the stored procedure, then the stored procedure to use optimal methods that are available, such as FORALL, to perform each of the tasks, the more effectively.

    So I thought to create a type, such as a TABLE OF VARCHAR2, or a VARRAY and possessing of the parameters for the stored procedure based on this type, something like:

    create or replace TYPE 'NTT_VARCHAR2' AS TABLE OF VARCHAR2 (32700);

    create or replace FUNCTION bulk_process_values)

    p_error_message OUT NOCOPY VARCHAR2,

    p_module_context_name OUT NOCOPY VARCHAR2,

    p_sql_error OUT NOCOPY VARCHAR2,

    p_count in NUMBERS

    p_non_array_var_1 IN VARCHAR2,

    p_non_array_var_2 IN VARCHAR2,

    p_array_var_1 IN NTT_VARCHAR2,

    p_array_var_2 IN NTT_VARCHAR2,

    p_array_var_3 IN NTT_VARCHAR2

    < etc. for all the variables in table >)

    RETURN NUMBER

    .. .but I am struggling to find an example of how call the procedure "bulk_process_values" stored, and even if I use a TABLE OF VARCHAR2 or a VARRAY as a parameter type.

    I searched the Internet and found this: OIC - how to bind an array to a stored procedure? - and binding table of the structs (OCIBindArrayOfStruct) sample code

    - but they take different approaches and a bit confused (the second example spoke of OTT).

    I think that the first approach is more likely to be the solution I need - but I can't help thinking - it is a bunch of stuff to move if it does not end up significantly improve performance!

    My questions are:

    * Moves to a call-SP-thousands-of-times-per-second to call-SP-fewer-times-but-with-array-parameters sensitive?

    * Should the table or VARRAY, TABLE OF VARCHAR2 parameters or something else?

    * Should I use for my case OTT?

    Samples I found are both very old - and the second example indicators that the optimal approach evolves with the OCI versions - I'm on 11.2, what is the optimal approach these days?

    * < added later > why is there no official useful example?

    Thank you very much

    Much appreciated. https://community.oracle.com/message/4528528#4528528 has actually worked, with VARRAY, with a proof of concept. Now I just need to shake a little and then get my PL/SQL for optimal PC experts. I think I was really discouraged by the lack of official documents, with the Community (Paradise) is the only way to get real results.

    Thank you JJ.

    I intend me to use the binding enforcement of the table and the table and avoid N back and forth, but I do not then get the opportunity to do something clever in the PL/SQL.

    In the PL/SQL, there is no logic occurring - I don't call the same SP tons of times, but then I want to be able to use PL/SQL optimizations such as FORALL, BULK COLLECT, reduce the number of validations and others.  There is a commit after each SP run, because otherwise the nature of demand means that the application hangs occur; However, there is a way (I think) be smart on the part that is likely to deadlock (making a shape on the Bay First, then applying the updates in the order sorted and then failed to get a blocking theoretically), and then FORALL insert for the second part of the stored procedure.

    I guess I may apply the single return, passing a table (to a commit in the SP)-which will reduce back and forth, so gain in performance, but it will not reduce the number of validations that I do - and Oracle said that commits too frequent is not good for performance. I already have code in my framework that does - by making a simple INSERT INTO.

    Good to hear that OTT is not explicitly required - and VARRAY resembles the approach to try first.

  • How to call a stored procedure PL/SQL of the Disqualification?

    I figured I could do this from a Groovy script but I am unable to make it work.

    Let's take the simplest scenario:

    At the end of a job, I have a need to call an once stored procedure that has no arguments.

    Translated by the logic of the stored procedure with Disqualification is not an option.

    If you must call it once at the end of a task, you must use the external task.

    If you call a procedure for each record, it can be done using a script.

  • How can I automatically run a stored procedure when a report is called?

    I've created a classic report on a table (without screen). When I go to this report, I would like to the stored procedure that deletes and inserts information about the table that is based on the report has been started automatically. Where and how can I do to put the call to the stored procedure that the report displays the data once the report is called?

    Thank you!

    Mark1970 wrote:

    I've created a classic report on a table (without screen). When I go to this report, I would like to the stored procedure that deletes and inserts information about the table that is based on the report has been started automatically. Where and how can I do to put the call to the stored procedure that the report displays the data once the report is called?

    Create a page of PL/SQL process by calling the procedure with a Point process On Load - front of regions.

    The report is based on a global temporary table?

  • Call of postChanges() front of a stored procedure

    I use 11.1.1.2 JDeveloper and ADF with BC. I have the following situation:

    I am updating a record via a modifiable display object. When I click on validate, I also need to call an existing stored procedure on my database to do some updates. The stored procedure queries the table on which my principal object based and did the updates with other tables/records based on this information. Is there a mistake in the stored procedure, then I want to roll back the changes in my app module, so I can't commit changes in module app until I know that the stored procedure was a success. But the stored procedure cannot see my changes from the object until they are committed (or changes).

    I am considering the following:
    (1) make changes to display the object
    (2) call postChanges() on transaction of my app module
    (3) call the procedure stored via the PreparedStatement class
    (4) commit (if errors, rollback)

    This is the preferred method for this situation?

    Thank you
    Brad

    Brad,

    As long as the stored procedure does not commit, there is no autonomous transaction and you can be sure that the postChanges() and commit() will be called in the same request, I think you should be OK.

    Nick

  • How to call parameters for a procedure of a table?

    Hello world

    I use the oracle 11.1.0.6 version.


    I have a procedure that must call 6 parameters in a table. Could I know how to perform the procedure parameters in a table?

    Now, I'm running a .sql file.

    SELECT TO_CHAR(SYSDATE,'DD/MM/YY hh24:mi:ss') FROM DUAL;
    EXEC call_all (201208, 'DBC', 2, 'Choice', 201223, 201236);

    Thanks in advance

    How do you get the values of the parameters to pass to the CALL_ALL procedure?

    If you want to get all the parameters to pass to CALL_ALL, to be taken from the table, you will need to do so in an anonymous PL/SQL block/function/stored procedure as below:

    declare
     v_bmonth       param.bmonth%type;
     .
     .
     .
     v_tweek_2     param.tweek_2%type;
    begin
     select bmonth, ssc, label, tweek_1, tweek_2
        into v_bmonth, ..., v_tweek_2              ---> ... corresponds to Individual Parameter variable
       from param p
     where p.some_column = some_value        ---> This condition should be able to fetch only One row from table, else it will throw error.
    
     call_all(v_bmonth, ... v_tweek_2);
    end;
    
    ------Alternative-------------------
    declare
     v_param            param%rowtype;
    begin
     select *
        into v_param
       from param p
     where p.some_column = some_value        ---> This condition should be able to fetch only One row from table, else it will throw error.
    
     call_all(v_param.bmonth, ... v_param.v_tweek_2);     ---> ... corresponds to v_param."Column_Name" for corresponding column names.
    end;
    

    Just read that you want to run the procedure for all values:

    begin
      for cur in (select * from param) loop
    
        call_all(cur.bmonth, ... cur.v_tweek_2);
    
      end loop;
    end;
    

    I want to do it in a simpler way:

    create or replace function f_execute_call_all
    (
    b_bmonth in number,
    b_banner_name in varchar2,
    b_ssc in number,
    b_label in varchar2,
    b_tweek_1 in number,
    b_tweek_2 in number
    )
    return number is
    begin
      call_all(bmonth,banner_name,ssc,label,tweek_1,tweek_2);
    
      return 1;
    exception
      when others then
         -- Log Exception Message
         raise;
    end;
    
    calling Code:
    
    select f_execute_call_all(bmonth,banner_name,ssc,label,tweek_1,tweek_2) from param;
    

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