The AM pool and instance variables

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• By the way where and group by clause Cursor

  I'm working on a procedure that generates a where clause clause and needs of a group by clause to return the correct results. I'm moving the two where and group variables in the cursor.
  
  The variables are is filled correctly, but when the cursor is created, variables are not in the cursor.
  
  Here's the code I'm working with. It is part of a package, but does no appeal to other parts of the package.
  
  PROCEDURE createFollowUpTask_Exposure (psUppgkedjetyp IN tis.tial.uppgkedjetyp%TYPE NULL by default,
  psAlarmtyp IN tis.tial.alarmtyp%TYPE by default NULL,
  psSubtyp IN tis.tial.subtyp%TYPE by default NULL,
  pnDays in NUMBER NULL by default,
  psKampkod IN tis.tiin.kampkod%TYPE by default NULL,
  psKatnr IN tis.tiin.katnr%TYPE by default NULL,
  psUtgava IN tis.tiin.utgava%TYPE by default NULL,
  psKatslag IN tis.tikg.katslag%TYPE by default NULL,
  psProdsyst IN tis.tikg.prodsyst%TYPE by default NULL,
  psUppgtyp IN tis.tiin.uppgtyp%TYPE by default NULL,
  psProdkod IN tis.tiin.prodkod%TYPE by default NULL,
  psStatus IN tis.tiin.status%TYPE by default NULL
  ) AS
  --
  cTIAL tis.tial%ROWTYPE;
  vLopnr tis.tial.lopnr%TYPE;
  vSqlWhere VARCHAR2 (4000);
  vGroupBy VARCHAR2 (1000): = "tiin.kampkod, tiin.abnr, tiko.fordsalj;
  cSelectCursor SYS_REFCURSOR;
  vSqlSelect VARCHAR2 (4000);
  psDays VARCHAR2 (50);
  cRec T_TIAL_REC;
  nCount number: = 0;
  
  --
  CURSOR cSqlSelect (SqlWhere IN VARCHAR2, GroupBy IN VARCHAR2) IS
  SELECT tiin.kampkod, tiin.abnr, tiko.fordsalj, MAX (tici.regdat) ALARMDATE
  OF tis.tiin
  JOIN tis.tiko ON tiin.kampkod = tiko.kampkod AND tiin.abnr = tiko.abnr
  JOIN core.tici ON tiin.kampkod = tici.kampkod AND tiin.abnr = tici.abnr AND tici.inplnr = tiin.inplnr
  WHERE 1 = 1 | SqlWhere
  GroupBy GROUP;
  --
  BEGIN
  -If these parameters are null, trigger the error
  IF psUppgkedjetyp IS NULL and psSubtyp IS NULL THEN
  raise_application_error (-20001,
  "String from the event or events must be assigned");
  END IF;
  -Fill the TIAL values
  IF psUppgkedjetyp IS NOT NULL THEN
  cTIAL.Uppgkedjetyp: = psUppgkedjetyp;
  END IF;
  --
  IF psAlarmtyp IS NOT NULL THEN
  cTIAL.Alarmtyp: = psAlarmtyp;
  END IF;
  --
  cTIAL.Handklass: = 't';
  cTIAL.Blobid: = 0;
  --
  IF pnDays IS NOT NULL THEN
  psDays: = '+' | pnDays;
  END IF;
  IF psSubtyp IS NOT NULL THEN
  cTIAL.Subtyp: = psSubtyp;
  END IF;
  -Create Where clause for cursor
  vSqlWhere: = ";
  IF psKampkod IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.kampkod ="' | psKampkod | " ' ;
  END IF;
  --
  IF psKatnr IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.katnr ="' | psKatnr | " ' ;
  END IF;
  --
  IF psUtgava IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.utgava ="' | psUtgava | " ' ;
  END IF;
  --
  IF psKatslag IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tikg.katslag ="' | psKatslag | " ' ;
  END IF;
  --
  IF psProdsyst IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tikg.prodsyst ="' | psProdsyst | " ' ;
  END IF;
  --
  IF psUppgtyp IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.uppgtyp ="' | psUppgtyp | " ' ;
  END IF;
  --
  IF psProdkod IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.prodkod ="' | psProdkod | " ' ;
  END IF;
  --
  IF psStatus IS NOT NULL THEN
  vSqlWhere: = vSqlWhere | "AND tiin.status ="' | psStatus | " ' ;
  END IF;
  -Browse all records in input parameters of the meeting and set values required TIAL.
  I'm IN cSqlSelect (vSqlWhere, vGroupBy)
  --
  LOOP
  -EXTRACT cSelectCursor INTO cRec;
  cTIAL.Kampkod: = ";
  cTIAL.Abnr: = ";
  cTIAL.Sign: = ";
  cTIAL.Alarmdate: = ";
  cTIAL.Kampkod: = i.Kampkod;
  cTIAL.Abnr: = i.Abnr;
  cTIAL.Sign: = i.fordsalj;
  cTIAL.Alarmdate: = i.alarmdate;
  --
  nCount: = nCount + 1;
  --
  IF vLopnr = - 1 THEN
  raise_application_error (-20002,
  "Error creating task for: ' | '. cTIAL.Kampkod |' '|| cTIAL.Abnr |' Sales representative: ' | cTIAL.Alarmdate);
  END IF;
  END LOOP;
  DBMS_OUTPUT. Put_line (' I created ' | nCount |) "documents.");
  
  
  
  END createFollowUpTask_Exposure;
  
  Thanks in advance for any help.

  Hello

  Welcome to the forum!

  Try this (untested) example:

  PROCEDURE createFollowUpTask_Exposure(psUppgkedjetyp IN tis.tial.uppgkedjetyp%TYPE DEFAULT NULL,
                                        psAlarmtyp     IN tis.tial.alarmtyp%TYPE DEFAULT NULL,
                                        psSubtyp       IN tis.tial.subtyp%TYPE DEFAULT NULL,
                                        pnDays         IN NUMBER DEFAULT NULL,
                                        psKampkod      IN tis.tiin.kampkod%TYPE DEFAULT NULL,
                                        psKatnr        IN tis.tiin.katnr%TYPE DEFAULT NULL,
                                        psUtgava       IN tis.tiin.utgava%TYPE DEFAULT NULL,
                                        psKatslag      IN tis.tikg.katslag%TYPE DEFAULT NULL,
                                        psProdsyst     IN tis.tikg.prodsyst%TYPE DEFAULT NULL,
                                        psUppgtyp      IN tis.tiin.uppgtyp%TYPE DEFAULT NULL,
                                        psProdkod      IN tis.tiin.prodkod%TYPE DEFAULT NULL,
                                        psStatus       IN tis.tiin.status%TYPE DEFAULT NULL) AS
     --
     cTIAL         tis.tial%ROWTYPE;
     vLopnr        tis.tial.lopnr%TYPE;
     vSqlWhere     VARCHAR2(4000);
     vGroupBy      VARCHAR2(1000) := ' tiin.kampkod, tiin.abnr, tiko.fordsalj';
     cSelectCursor SYS_REFCURSOR;
     vSqlSelect    VARCHAR2(4000);
     psDays        VARCHAR2(50);
     cRec          T_TIAL_REC;
     nCount        NUMBER := 0;
  
     FUNCTION fnc_cSqlSelect(SqlWhere IN VARCHAR2,
                             GroupBy  IN VARCHAR2) RETURN VARCHAR2 IS
     BEGIN
        RETURN 'SELECT tiin.kampkod,
               tiin.abnr,
               tiko.fordsalj,
               MAX(tici.regdat) ALARMDATE
          FROM tis.tiin
          JOIN tis.tiko ON tiin.kampkod = tiko.kampkod
                       AND tiin.abnr = tiko.abnr
          JOIN core.tici ON tiin.kampkod = tici.kampkod
                        AND tiin.abnr = tici.abnr
                        AND tici.inplnr = tiin.inplnr
         WHERE 1 = 1 ' || SqlWhere || ' GROUP BY ' || GroupBy;
     END fnc_cSqlSelect;
  
  BEGIN
     -- If these parameters are null, raise error
     IF psUppgkedjetyp IS NULL AND psSubtyp IS NULL THEN
        raise_application_error(-20001,
                                'Either Event Chain or Starting Event must be assigned');
     END IF;
     -- Populate TIAL values
     IF psUppgkedjetyp IS NOT NULL THEN
        cTIAL.Uppgkedjetyp := psUppgkedjetyp;
     END IF;
     --
     IF psAlarmtyp IS NOT NULL THEN
        cTIAL.Alarmtyp := psAlarmtyp;
     END IF;
     --
     cTIAL.Handklass := 'T';
     cTIAL.Blobid    := 0;
     --
     IF pnDays IS NOT NULL THEN
        psDays := '+ ' || pnDays;
     END IF;
     IF psSubtyp IS NOT NULL THEN
        cTIAL.Subtyp := psSubtyp;
     END IF;
     -- Create Where clause for cursor
     vSqlWhere := '';
     IF psKampkod IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.kampkod = ''' || psKampkod || '''';
     END IF;
     --
     IF psKatnr IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.katnr = ''' || psKatnr || '''';
     END IF;
     --
     IF psUtgava IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.utgava = ''' || psUtgava || '''';
     END IF;
     --
     IF psKatslag IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tikg.katslag = ''' || psKatslag || '''';
     END IF;
     --
     IF psProdsyst IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tikg.prodsyst = ''' || psProdsyst || '''';
     END IF;
     --
     IF psUppgtyp IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.uppgtyp = ''' || psUppgtyp || '''';
     END IF;
     --
     IF psProdkod IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.prodkod = ''' || psProdkod || '''';
     END IF;
     --
     IF psStatus IS NOT NULL THEN
        vSqlWhere := vSqlWhere || ' AND tiin.status = ''' || psStatus || '''';
     END IF;ç
     -- Loop through all records meeting input parameters and set required TIAL values.
     OPEN cSelectCursor FOR fnc_cSqlSelect(vSqlWhere,
                                           vGroupBy);
  
     LOOP
        FETCH cSelectCursor
           INTO v; -- You must define a variable 'v' to hold the data of cursor
        EXIT WHEN cSelectCursor%NOTFOUND;
  
        --FETCH cSelectCursor INTO cRec;
        cTIAL.Kampkod   := '';
        cTIAL.Abnr      := '';
        cTIAL.Sign      := '';
        cTIAL.Alarmdate := '';
        cTIAL.Kampkod   := i.Kampkod;
        cTIAL.Abnr      := i.Abnr;
        cTIAL.Sign      := i.fordsalj;
        cTIAL.Alarmdate := i.alarmdate;
        --
        nCount := nCount + 1;
        --
        IF vLopnr = -1 THEN
           raise_application_error(-20002,
                                   'Error Creating task for: ' || cTIAL.Kampkod || ' ' ||
                                   cTIAL.Abnr || ' Sales Rep: ' || cTIAL.Alarmdate);
        END IF;
     END LOOP;
  
     CLOSE cSelectCursor;
  
     DBMS_OUTPUT.PUT_LINE('I created ' || nCount || ' records.');
  
  END createFollowUpTask_Exposure;
  /
  

  Kind regards

• I have just cut and paste and change the names of variables and instance

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  Yours sincerely
  

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  Hello everyone,

  Oracle version: 12.1.0.1.0 - 64 bit

  OS: Linux Fedora Core 17 X86_64

  Description of the problem:

  I'm reading an interesting book of online oracle named: SQL in PL/SQL

  On page 11, it reads the following:

  In the absence of a compilation error, the PL/SQL compiler generates an equivalent statement of SQL regular text and stores this with the generated machine code. This instruction uses placeholders where the embedded SQL statement uses identifiers that have been resolved in the PL/SQL unit.

  What I understand of this (please, correct me if I'm wrong) is that whenever I write some static/embedded statement SQL within a PL/SQL block in which there are a few local variables in PL/SQL, and then final generated SQL statement (after resolution of identifier) will include placeholders (bind variables) instead of these identifiers the PL/SQL.

  I just wanted to see this in practice, so I made the following test:

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  system altered
  

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          count(*)
      into
          b.cnt
      from
          hr.employees t1
      where
          t1.department_id = b.depid;
  end;
  /
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  --
  column sql_id new_value sqlid_saved;
  --
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      v1.sql_id
  from
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  where
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  -- 
  select
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  from
      v$sql v1
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  And the result was:

  SQL_ID
  -------------
  687dxvsmrwm9z
  g17tjb3f8t94y

  6 old: v1.sql_id = "& sqlid_saved"
  6 new: v1.sql_id = "g17tjb3f8t94y".

  SQL_TEXT
  --------------------------------------------------------------------------------
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  SEB: = 0; Start select count (*) in b.cnt of
  T1 hr. Employees where t1.department_id = b.depid; end;

  
  SQL >

  What I don't understand is the main part of the SQL_TEXT I put in red.

  Instead of

  T1.department_id = b.depid

  I expected to see something like

  T1.department_id = : B

  In other words, some bind variable, because depid is a local variable inside my PL/SQL block used in integrated/static SQL statement, so it must be converted to a reserved space in the shared pool instead of the original identifier.

  You kindly could you tell me what I misunderstood?

  Thanks in advance

  > But once again no variable binding in the stored/parsed SQL statement. That's what I don't understand.

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  Hello
  
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  class Parent
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       int a;
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  Can someone let me know the exact reason for this, and what about the talks of error?
  
  Thank you
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  Published by: Udaya Shankara Gandhi on June 13, 2012 03:30

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      { a = 1; }
  
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      }
  
     public void method() {
         a = 1;
     }
  }
  

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  Olegarr

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