SQL & PL/SQL :: Oracle Dynamic Query Returning To Out Sys_refcursor
Nov 8, 2011
I'm trying to build a dynamic sql inside an Oracle procedure, and return it as a SYS_REFCURSOR to ADO.NET using ODP.NET in Oracle 11R2. Below is my table:
CREATE TABLE "TFWDB_ENTIDADE"
(
"CD_ENTIDADE" NUMBER(10,0) NOT NULL,
"DC_ENTIDADE" VARCHAR2(100 BYTE) NOT NULL,
"NM_ENTIDADE" VARCHAR2(255 BYTE) NOT NULL,
"CD_TIPO" NUMBER(5,0) NOT NULL,
"ID_STATUS" CHAR(1 BYTE) DEFAULT ('1') NOT NULL,
CONSTRAINT "PKFWDB_ENTIDADE" PRIMARY KEY ("CD_ENTIDADE"),
CONSTRAINT "CHFWDB_ENTIDADE" CHECK (ID_STATUS IN ('0', '1'))
);
Below is the procedure I build to SELECT it:
create or replace procedure spfwdb_sl_entidade_1(
p_cd_entidade in number,
p_dc_entidade in varchar2,
p_nm_entidade in varchar2,
p_cd_tipo in number,
p_id_status in char,
[code]........
I'm calling this code from C#, and I get an empty Result Set. What am I doing wrong? Can I output the dynamic sys_refcursor that I created? Below is my C# code using ODP.NET:
string pConnectionString = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=ORASERVER)(PORT=1521))
(CONNECT_DATA=(SERVICE_NAME=ORASID)));User Id=user;Password=password;";
OracleConnection oConn = new OracleConnection(pConnectionString);
oConn.Open();
string pNomeProc = "spfwdb_sl_entidade_1";
[code]........
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May 23, 2011
using dbms_profiler for a package having procedure returning sys_refcursor.
I have 2 procedure in a package. let say, proc1 and proc2 ( also proc1 is called inside from proc2)
proc1 has no parameter
proc2 has 2 paramter proc2(p_num in integer, p_data out sys_refcursor) [ in which we pass the p_num (ex: 1) and it run to get the data from the tab le and return that data through sys_refcursor.
for proc1, I am able to use dbms_profiler as below and it is working fine
-------------
DECLARE
l_res BINARY_INTEGER;
BEGIN
l_res := DBMS_PROFILER.start_profiler(run_comment => 'package.proc1: ' || SYSDATE);
package.proc1;
l_res := DBMS_PROFILER.stop_profiler;
END;
/
-------------
but for proc2, i am unable to use dbms_profiler, how to use dbms_profiler for procedure returning sys_refcursor.
i tried using as below:
-------------------------------
DECLARE
l_res BINARY_INTEGER;
P_NUM NUMBER;
P_DATA SYS_REFCURSOR;
[code]....
getting error: PLS-00312: a positional parameter association may not follow a named association
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Dec 5, 2012
I have a dynamic query stored in a function that returns a customized SQL statement depending on the environment it is running in. I would like to create a Materialized View that uses this dynamic query.
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Jul 20, 2011
I am trying to run a dynamic select statement form a function and return the result into a variable, everything goes fine but the return is always null!
CREATE TABLE AFESD.MAJOR_ACCOUNT
(
NUMBER0 NUMBER(2) NOT NULL,
SHORT_NAME CHAR(35 BYTE) NOT NULL,
FULL_NAME CHAR(50 BYTE)
)
--Actually any table can do
CREATE OR REPLACE FUNCTION F_GEN_SELECT_INT
(S_APP_USER IN VARCHAR2, I_MODULE_ID IN NUMBER, S_TABLE IN VARCHAR2, S_COLUMNS IN VARCHAR2)
RETURN NUMBER
AS
I_RETURN NUMBER;
S_SQL VARCHAR2(300);
--S_DB_ERROR VARCHAR2(100);
[code]....
B.S. I didnt delete the commented lines to have your review comments.
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Nov 8, 2010
I have been testing some functionalist, I have been trying to get the updated dept no values into an array and then print the count. But i am getting the following error.
I have implemented, the whole example is to know about 'dynamic sql returning clause into collection'
s@ORCL> select * from t_dept;
DEPTNO DNAME LOC
---------- -------------- -------------
10 comp NEW YORK
20 Compt DALLAS
30 SALES CHICAGO
40 OPERATIONS BOSTON
60 Comp Ahaaa
80 data ab
80 data ab
80 data ab
80 data ab
9 rows selected.
s@ORCL> ed
Wrote file afiedt.buf
1 declare
2 type tp_dept is table of number;
3 arr_dept tp_dept;
4 begin
5 execute immediate q'['update t_dept set dname = 'Pointers' where deptno = 80 returning deptno into :out]'
6 returning into arr_dept;
7 dbms_output.put_line('The count is '||arr_dept.count);
8* end;
s@ORCL> /
returning into arr_dept;
*
ERROR at line 6:
ORA-06550: line 6, column 19:
PLS-00597: expression 'ARR_DEPT' in the INTO list is of wrong type
ORA-06550: line 5, column 4:
PL/SQL: Statement ignored
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Jul 20, 2011
I am creating a db function to select * from table_name to be used by the application for retrieving lookup data. I found many examples for how to return cursor as a result of executing a dynamic sql but don't know the optimum way.
following is my current trial:
CREATE OR REPLACE PACKAGE types AS
TYPE Cursortype IS REF CURSOR;
END;
/
CREATE OR REPLACE FUNCTION F_GEN_SELECT_CURS
(S_APP_USER IN VARCHAR2, I_MODULE_ID IN NUMBER, S_TABLE IN VARCHAR2)
/*This function maps S_ACC_MAJOR_ACCOUNT_LIST CoolGen service
[code].......
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Apr 24, 2013
I have a requirement to be coded like this:
A function to return pl/sql table(cant use ref cursor) whose columns varies every time it runs i.e,
means
type pl_tab_type is object(col1 varchar2(1000), col2 varchar2(1000))
type pl_tab is table of pl_tab_type
func f return pl_tab
as
...
end;
note : pl_tab_type will vary for each run of function f
i.e.,for example, pl_tab_type can be changed to as follows:
type pl_tab_type is object(col1 varchar2(1000), col2 varchar2(1000),col3 varchar2(1000))
how to return pl/sql table of dynamic type from func,
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Sep 9, 2009
I've just started with the Oracle SQL and come from a heavy MS SQL background and I understand that here are some natural differences in the syntax but I'm stumped as to why the following sql represents a problem:
update MASTERMICODES t1
set t1.TEMPTA = ( select t2.TAFCODE
from TA_FEATURES t2
where t2.FCODE = t1.FCODE
)
It returns Error report:
SQL Error: ORA-01427: single-row subquery returns more than one row
01427. 00000 - "single-row subquery returns more than one row"
*Cause:
*Action:
I want it to return more than one row...in fact I want it to make on all rows that have the same fcode between tables.
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Aug 21, 2013
i am trying to update below statement that has multiple rows but giving the error like :
update test t
set (t.org_id) =
(select o.org_id
from organisation o inner join test t
on (o.name=t.full_name
or o.name=t.chart_name))
error:- single return sub query return more value.
how to write update join query base on multi[ple ow.
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Feb 27, 2012
Im running the following query in DB - Prod2
select *
from t_act_rwrd_reimb_stay a
where reimbursed_amt < 0
and invoice_date = '01-JAN-1900'
and not exists ( select 'x' from t_act_rwrd_reimb_stay b
where a.GPM_ID_STAY = b.GPM_ID_STAY
and reimbursed_amt > 0 )
The above table t_act_rwrd_reimb_stay --> is from a view on the database Prod2 and this view is pulling the data from the database prod1 via dblink
When I run the same query on Prod1 it returns 3 rows. Is there any reason this is not fetching data on prod2 view? or whatz wrong with the above query
or for example if I run the above query as follows with the dblink "@prod1" it returns the data properly
select *
from t_act_rwrd_reimb_stay@Prod1 a
where reimbursed_amt < 0
and invoice_date = '01-JAN-1900'
and not exists ( select 'x' from t_act_rwrd_reimb_stay@prod1 b
where a.GPM_ID_STAY = b.GPM_ID_STAY
and reimbursed_amt > 0 )
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Jun 2, 2011
below query is returning two rows.The thing now happening is the query is returning the output for both the case statements.But what is need only when the first case staement is NULL then it should go for second case.
SELECT DISTINCT CASE
WHEN esc.x1 = Substr(inp.y, 0, 3)
AND esc.x2 = Substr(inp.y, 4, 2)THEN esc.cc
WHEN esc.mcc = Substr(inp.y, 0, 3)
AND esc.mnc = Substr(inp.y, 4, 3)THEN esc.cc
[code]....
I tried using rownum=1 but it filters out valid records.correcting the above query so that if the first case is null then only it should go for second case.
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Apr 22, 2013
I have the following query:
SELECT
d_dtm,
BTS_ID,
CASE WHEN D_DTM = (D_DTM-24/24)
THEN sum(V_ATT_CNT)
[Code]....
But it is not returning any results because of the "having" clause. I know it should return results because all I want it to do is in one column have the V_ATT for the current time period, and in the 2nd column, have the V_ATT 24 hours ago. I've checked the data and I should get results back but can't seem to figure out why this is not working...
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Oct 20, 2012
These are the tables I'm working with:
SQL> desc custinfo;
Name Null? Type
----------------------------------------- -------- ----------------------------
CUSTID VARCHAR2(4)
CUSTNAME VARCHAR2(18)
CUSTADR VARCHAR2(12)
CUSTCITY VARCHAR2(10)
CUSTSTATE CHAR(2)
CUSTZIP VARCHAR2(5)
CAPACITY NUMBER(3)
HOUSECODE VARCHAR2(2)
[code]...
I don't understand why the custid is the same for each customer, and why it's selecting every customer and not just those with more than 150 gallons ordered.
For this one use the oil tables that you set up and use a subquery. Select the minimum average fall use from the house table. Then show all customers whose number of gallons delivered times two is greater than the minimum.
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Nov 20, 2012
I have this procedure
POSTCODE_TO_LAT_LNG_GM_API(postcode IN VARCHAR2, lat OUT NUMBER, p_long OUT NUMBER)
to convert a postcode into lat/long values. I then need to add them to the returned SQL statement so I used the string concat operator || with to_char but it comes up with this error when I try to apply the changes: Query cannot be parsed within the Builder. If you believe your query is syntactically correct, check the ''generic column'' checkbox below the region source to proceed without parsing.
ORA-00936: missing expressionh4.
h4. btw I'm using Oracle 11g release 11.2.0.3.0 and Apex version 4.1.1.00.23
DECLARE
l_lat NUMBER;
l_lng NUMBER;
l_SDO_GEOMETRY SDO_GEOMETRY;
[code]...
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Dec 6, 2012
i found this difference between ref cursor and sys_refcursor.
If you specify return_type, then the REF CURSOR type and cursor variables of that type are strong; if not, they are weak. SYS_REFCURSOR and cursor variables of that type are weak.
my situation is i have to write many stored procedure for reports and also for entery pages. few enter pages use typed datasets and few does not.
which one is better in terms of performance and maintainability in above three conditions?
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Apr 25, 2012
i have created a procedure to open a query using a reference sys_refcursor as output parameter. i referenced the cursor in a pl/sql and is working correctly. however it throws error "ORA-01001: invalid cursor ORA-01403: no data found" when use on the oracle forms builder.
create or replace procedure mrch.prc_proj_list (p_add_clause in varchar2, p_rec_set out sys_refcursor) as
begin
Open p_rec_set for
'Select mp2.REGION region, '||
' mp2.ID proj_id, '||
' mppm2.PHASE phase, '||
' mm2.muni muni_id, '||
' mm2.MUNINAME muni_name, '||
' nvl((select Sum(ma.AMOUNT) From MRCH.MRC_AGREEMENT ma '||
' Where ma.PROJECT_ID = mp2.ID '||
' And ma.PHASE = mppm2.phase '||
' And ma.MUNI = mm2.MUNI),0) agreement, '||
' nvl((Select Sum(NVL(ma.GREEN_BOOK_AMOUNT,0) + NVL(ma.GB_ADJUST,0)) From MRCH.MRC_ALLOCATION ma '||
[code]....
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Jun 23, 2013
i have a procedure which outputs 10 refcursors. It is called called by a .NET utility which then writes the data to 18 different flat files. The proc is of below format
CREATE OR REPLACE PROCEDURE FILE_EXTRACT
(OUTREC1 OUT SYS_REFCURSOR,
OUTREC2 OUT SYS_REFCURSOR,)
AS
BEGIN
OPEN OUTREC1 FOR
SELECT /*+PARALLEL(A,8)*/
COL1,COL2
FROM TABLE A;
[code]....
I have used parallel hint because all the tables used in the queries a huge tables and this is a nightly batch job. The issue here is that i have expected oracle to use 8 processes for this execution so all my select statements have parallel hint with degree 8 , but unusaully the procedure is erroring out on production databases because of maximum number of connections are being spawned and the database is not able to create any new session. When i debuged and did a quick test proc where i used only one out refcursor it ran only 9 threads . then i ran by adding one more out ref cursor it spawn 17 threads. I think its the way .NET is fetching data from each of these cursors.When i print the first refcursor i do see queries which are running for the second along with the first causing the parallel queries run more than expected. The cause of the problem here is all the refcursors are executed and waiting to return data. SO when .net starts reading first cursor the other queries also run.
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Sep 13, 2013
For my task I tried to write a package that has sys_refcursor in it.It compiled well.Now I want to see the results of it and wrote a anonymous block which gave errors.
CREATE OR REPLACE
PACKAGE xyz
IS
[Code]....
Error:Invalid reference to variable 'OBJ_CUR'.
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Nov 5, 2012
I have this query to return to me the latest case note, now I would like to add the date prior to the latest case note.
select case_notes.applicant_id,
reg.program_code,
reg.last_name,
[Code].....
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Nov 3, 2010
I have a Strange requirement from client data is loaded from excel to Oracle Table- TST_TBL (with Header in Excel)
CREATE TABLE TST_TBL
(
JOB_DETAIL_ID NUMBER,
SHEET_NAME VARCHAR2(100 BYTE),
COL1 VARCHAR2(400 BYTE),
COL2 VARCHAR2(400 BYTE),
COL3 VARCHAR2(400 BYTE),
COL4 VARCHAR2(400 BYTE),
[Code]...
After the Data is loaded, we see data look like the above.
(1) Always COL3 column name have data value as 'Gen1' which is the indication for us from where data starts. But Gen1, Gen2, Gen3 etc... is dynamic. ie. This month we get gen1 and gen2 columns followed by null value in a column. Next month we get gen1,2,3,4 followed by null column.
(2) Null Column indicate us that there is a break in the column.
(3) Then next we need to look for next group of data (Monthly) and then insert into the same table again with different sheet_name column.
(4) Next for Quater and then YTD. None of the column Values are fixed and its all dynamic.
If you load the below data, you will come to know what i am looking for. I tried using UNPIVOT. But couldnt able to achieve it. Is there an option to do it in sigle query? or Do I need to go for Stored Procedure?
Insert into TST_TBL
(JOB_DETAIL_ID, SHEET_NAME, COL1, COL2, COL3,
COL4)
Values
(100, 'Wire_1', 'Gen1',
'Gen2', 'Gen3', 'Gen4');
Insert into TST_TBL
[Code]....
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Aug 29, 2010
Is it possible to define a cursor using dynamic sql. Reason being is, I want to fetch data from 4 diffrent tables but dont want 4 diffrent cursors for this purpose.
I have a procedure that takes an in parameter . Cursor is declared in this procedure. Again is there a way to use dynamic sql so that this cursor declared in procedure uses all 4 table one at a time i.e cursor c1 is select * from table_name(I want this table name to be updated every time with new table name).
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Aug 28, 2012
I'm trying to replace the variable value v_tblname in dynamic SQL. But not able to escape the single quotes character.
DECLARE
v_sqlcols VARCHAR2(2000);
v_sqlcols1 VARCHAR2(2000);
v_tblname VARCHAR2(50) := 'DEPT';
BEGIN
v_sqlcols := q'[SELECT LISTAGG(COL,',' ||CHR(10)) WITHIN GROUP (ORDER BY COL)
FROM (
[code]....
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Sep 16, 2010
l_query := 'SELECT sedol ' ||
'FROM integration.tmp_attributed_sedol ' ||
'WHERE ' || p_field || '=''' || p_ref_number || ''' ';
by using the execute immediate or any other command, how can i check whether the query returned any rows or not?
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Mar 25, 2011
writing dynamic sql query for swapping names:
the output shuld be like that
input output
a a
a b b a
a b c c b a
a b c d d c b a
i have writen it in static form by using instr,substr.But i m having difficulty in making it dynamic by using select statement.I have to make it for retrieving data from database.
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Sep 2, 2011
small piece of PL SQL code. how to make this query.Requirement is that a concurrent program is run with parameters and one of them i_num_org_id is non mandatory so it can come as NULL...Now in an existing code which i have to change, it uses a query as
SELECT xyz
FROM abc_table
WHERE <various conditions>
AND DECODE(i_num_org_id,NULL,1,table.organization_id) = NVL(i_num_org_id,1);
Now with the above way, if the program is run with some value for i_num_org_id or run as normal query (with NULL as the value) inside a PLSQL procedure/package then it runs fine.This query if you run in Toad etc then too it will work fine but if it is made a dynamic SQL and then used as either EXECUTE IMMEDIATE or opened as a cursor then we get a "Missing expression". I created this small anonymous block to test this and this will go into missing expression error
declare
l_num_org_id NUMBER := NULL;
l_temp VARCHAR2(100);
l_sql varchar2(1000);
begin
l_sql := 'SELECT '||''''||'abcd'||''''||'
[code].....
how i can reformat this query so that even if NULL value comes for i_num_org_id then it is handled.I am aware about CASE but that cannot be used in WHERE clause i guess.
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Nov 12, 2013
Orcl Ver: 11g R2. I am leveraging the Oracle's pipelined table function.It's working fine for static SQL.
create or replace package test13_pkg as type r_disc_req is record(disc_line_id number,
req_id number); type t_disc_req is table of r_disc_req; function F_GetDiscReq return t_disc_req pipelined; procedure P_ProcessDiscReq;end; CREATE OR REPLACE PACKAGE BODY test13_pkgAS FUNCTION F_GetDiscReq RETURN t_disc_req PIPELINED IS lo_disc_req r_disc_req; BEGIN FOR r_row IN (SELECT disc_line_id, req_id FROM edms_disc_lines_stg WHERE ROWNUM < 10) LOOP lo_disc_req.disc_line_id := r_row.disc_line_id; lo_disc_req.req_id := r_row.req_id; PIPE ROW (lo_disc_req);
[code]...
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Dec 22, 2010
I have a dynamic query that is ending up getting larger than 32k and this query is the base of a ref cursor that would in turn return the results to the application. How can I solve this problem since the largest content of a pl sql variable or literal is 32k ( said by oracle ) ?
PROCEDURE sp_large_query (c1 OUT sys_refcursor)
IS
BEGIN
OPEN c1 FOR ' SELECT STATEMENT WITH MORE THAN 32K ';
END;
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Aug 22, 2010
FUNCTION get_attributed_sedol( p_ref_number IN VARCHAR2,
p_field IN VARCHAR2 )
RETURN VARCHAR2
IS
l_query VARCHAR2(1000);
[code]...
It gives me an error on the line where the execute immediate statement is.
Quote:
ORA-00905
missing keyword
Cause: A required keyword is missing.
Action: Correct the syntax.
But when I check my stack trace table to see what the actual query string looks like, I see this
Quote:
SELECT sedol INTO l_attributed_sedol_code FROM integration.tmp_attributed_sedol WHERE CLIENT_LEDGER_REF='LEAE057090' AND ROWNUM=1
There's nothing wrong with that, is there? It executes fine if I try it manually.
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Nov 23, 2011
I have a dynamic query which has this clause in it: WHERE [COLUMN NAME] IN (' || theString || ')
My problem is that theString is being passed in through a C# call and the variable is a bunch of strings concatenated together and separated by a comma. Ex: theString = "'val1','val2'"
How many quotes are supposed to go around val1 and val2?
I've tried the following and none work:
'val1','val2'
''val1','val2''
''val1'',''val2''
'''val1'',''val2'''
''''val1'',''val2''''
When I run the procedure in Oracle it works with '''val1'',''val2'''
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Feb 8, 2013
I have written an SQL which will dynamically generate the Select statement with from and where clause in it. But that select statement when executed will get me hundreds of rows and i want to insert each row separately into one more table.
For that i have used a ref cursor to open and insert the table.
In the select list the column names will also be as follows: COLUMN1, COLUMN2, COLUMN3,....COLUMNn
find below the sample
TYPE ref_csr IS REF CURSOR;
insert_csr ref_csr;
v_select VARCHAR2 (4000) := NULL;
[Code].....
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