Dynamic query formation
Need to form dynamic query in the run time.
Split the stirng and form the query
String:='OBJECT_ID <5150@OBJECT_ID <2150@OBJECT_ID <3150@$DATA_OBJECT_ID<5150@DATA_OBJECT_ID<2150@DATA_OBJECT_ID<3150@$
OBJECT_TYPE='EDITION'@OBJECT_TYPE='TABLE'@OBJECT_TYPE='SYNONYM'@'
Split the above string and need to form the query as below.
WITH cte0 AS (SELECT Count(OBJECT_ID) from all_objects where OBJECT_ID <5150),
cte1 AS (SELECT Count(OBJECT_ID) from all_objects where OBJECT_ID <2150),
cte2 AS (SELECT Count(OBJECT_ID) from all_objects where OBJECT_ID <3150),
cte3 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where DATA_OBJECT_ID<5150),
cte4 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where DATA_OBJECT_ID<2150),
cte5 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where DATA_OBJECT_ID<3150)
cte6 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where OBJECT_TYPE='EDITION')
cte7 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where OBJECT_TYPE='TABLE')
cte8 AS (SELECT Count(DATA_OBJECT_ID) from all_objects where OBJECT_TYPE='SYNONYM')
Select * from cte0,cte1,cte2
union all
Select * from cte3,cte4,cte5
union all
Select * from cte6,cte7,cte8;
Thanks!
Originally posted by: seemakhopade.hsbc.co.in
Thanx for the reply.
Yeah I got to know that this is a known issue.
However we cannot go for the BIRT version which requires JDK 1.4.
But the good news is now my cross-tab reports are working, after using the
patch file.
Patch file I downloaded from one of the forum
org.eclipse.birt.report.data.adapter_2.2.2.r22x_v20071229.ja r
Thanx.
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Hello,
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2.I want to transfer parameters to report to replace the &p_where_clause.
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THANKS AGAIN!!
Joseph -
Display results from dynamic query created and executed inside procedure
Hi;
I have created this code:
CREATE OR REPLACE PROCEDURE RunDynamicQuery(Var1 IN VARCHAR2, Var2 IN VARCHAR2, VAR3 IN VARCHAR2) AS
-- Do something
-- That ends up with a variable holding a query.... (just an example)
MainQuery :='select sysdate from dual';
end RunDynamicQuery;
How can I run this procedure and see the result on the dymanic query generated inside it?
BEGIN
compare_tables_content('VAR1','VAR2','VAR3');
END;
Expected Output for this given example:
20-05-2009 11:04:44 ( the result of the dymanic query inside the procedure variable MainQuery :='select sysdate from dual';)
I tested with 'execute immediate':
CREATE OR REPLACE PROCEDURE RunDynamicQuery(Var1 IN VARCHAR2, Var2 IN VARCHAR2, filter IN VARCHAR2) AS
-- Do something
-- That ends up with a variable holding a query.... (just an example)
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execute immediate (MainQuery );
end RunDynamicQuery;
BEGIN
compare_tables_content('VAR1','VAR2','VAR3');
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Please consider that the collums in the query are always dynamic... PIPELINE Table would not work because I would need to define a container, example:
CREATE OR REPLACE TYPE emp_tabtype AS TABLE OF emp_type;
FUNCTION RunDynamicQuery (p_cursor IN sys_refcursor)
RETURN emp_tabtype PIPELINED
IS
emp_in emp%ROWTYPE;
BEGIN
LOOP
FETCH p_cursor
INTO emp_in;
EXIT WHEN p_cursor%NOTFOUND;
PIPE ROW (...)That would be a nice solution, thanks :)
''For now'' I implemented like this:
My dynamic query now returns a single string ( select col1 || col2 || col3 from bla)
This way I don't have dynamic collumns issue, and from business side, this ''string'' format works for them.
This way I can use the pipelines to get the result out...
OPEN myCursor FOR MainQuery;
FETCH myCursor
INTO myRow;
WHILE (NOT myCursor%notFound) LOOP
PIPE ROW(myRow);
FETCH myCursor
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CLOSE myCursor; -
Dynamic query and Open Cursor fetch into ??
Hi;
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CREATE OR REPLACE PROCEDURE COMPARE_TABLES_CONTENT_V3(
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-- This is necessary to create a dynamic query
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into v_cols1
from all_tab_columns
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Any ideas..Making the issue more simple....
At this point I have a oracle procedure that generates a dynamic sql query, based on the table names passed by parameter.
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I would like to access this information in the same procedure.
I cant use cursor because the table, columns... actualy all is dynamic based on the generated query:( ! -
Dynamic Query Data issue...Apex Charts
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DATIME
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Thanks
Robapex version? database version?
if you're on 11g, it sounds like you want the PIVOT command.
you should also post a simple CREATE TABLE and a few INSERT statements so others can test.
select null link
,report_date as datime
,"Anole", "Fiji"
from ( select REPORT_DATE, NODE_NAME, STORAGE_AMOUNT_ALLOC
from STORAGE_REPORTS
PIVOT (
sum( storage_amount_alloc )
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order by report_date asc -
Using jquery FullCalendar in APEX with dynamic query
Hi,
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How we can highlight events in Calendar
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DECLARE
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Thank you in advance,
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I am currently using an On Demand Application Process called IAT_TEST_FEED:_
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"CAL_FEED"."start" as calstart,
"CAL_FEED"."end" as calend
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<script type="text/javascript" src="#WORKSPACE_IMAGES#fullcalendar.min.js"></script>
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Jimmy -
Conditional URL ( CASE ) within a Dynamic Query
I need extra eyes or help in RE-FORMATTING the following SELECT STMT. My approach was to formulate the following query to get a functioning URL to the page that displayed the corrections made on that record (if it was corrected)...which I did. So now I'm trying to move the CASE portion into a dynamic query report. I'm having difficulties rewriting the CASE into the dynamic query due to placement of single-quotes. Is there an easy way to do this...or do I still need to find the correct placement of quotes? HELP!
select "ID",
"EMP_ID",
"ENTRY_DATE",
"JOB_TITLE",
"START_DATE",
"END_DATE",
"MODIFIED_DATE",
"lkup_1"."DESCRIPTION" as "Status",
CASE
WHEN rec_status = 'CR' -- corrected record
THEN '<a href="'
|| 'f?p=&APP_ID.:90:&SESSION.::&DEBUG.::'
|| 'P90_RID,P90_TIMESTAMP:'
|| rid ||',' || TO_CHAR(modified_date,'MM/DD/YYYY')
|| ">'
|| 'See Update(s)'
|| '</a>'
|| '</a>'
ELSE NULL
END LINK,
"lkup_2"."DESCRIPTION" as "Action",
"CATEGORY",
apex_item.checkbox(1,rid) as "Confirm"
from "JOB_SUMMARIES",
"LOOKUPS" "lkup_1",
"LOOKUPS" "lkup_2"
where "REC_STATUS" <> 'CF'
and "REC_STATUS" = "lkup_1"."CODE"
and "ACTION" = "lkup_2"."CODE"(+)
Here is what I sort of come up with, but I'm getting dizzy looking at it so many times!
' CASE '||
' WHEN rec_status = ' || '''' || '''CR''' || '''' ||
' THEN ' || '''' || '<a href="' || '''' ||
' ||' || '''' || 'f?p=&APP_ID.:90:&SESSION.::&DEBUG.::' || '''' ||
' ||' || '''' || 'P90_RID,P90_TIMESTAMP:' || '''' ||
' ||' || ' id ||' || '''' || ''',''' || '''' || '|| TO_CHAR(modified_date,' || '''' || 'MM/DD/YYYY' || '''' || ')' || '''' ||
' ||' || '''' || ">' || '''' ||
' ||' || '''' || 'See Update(s)' || '''' ||
' ||' || '''' || '</a>' || '''' ||
' ||' || '''' || '</a>' || '''' ||
' ELSE NULL '||
' END LINK, '||
I'm still getting an error which is:
1 error has occurred
* Query cannot be parsed within the Builder. If you believe your query is syntactically correct,
check the ''generic columns'' checkbox below the region source to proceed without parsing.
ORA-00905: missing keywordI still cannot get the insertion of the CASE to compile...I keep getting MISSING EXPRESSION error.
1 error has occurred
* Query cannot be parsed within the Builder. If you believe your query is syntactically correct,
check the ''generic columns'' checkbox below the region source to proceed without parsing.
ORA-00936: missing expression
Here is my dynamic query and I want to place the CASE as indicated. The numerous quotes or the Q syntax is really messing up my attempts to get this page working. I have a dynamic query because I am allowing search parameters. And I thought it would be nice to have a LINK to another page that displayed changed column values if a user CORRECTED one of their records. All changes must be verified and accepted by a REVIEWER.
declare
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w varchar2(4000) ; -- where clause
we varchar2(1) := 'N'; -- identifies if where clause exists
begin
q := 'select "ID", '||
' "EMP_ID", '||
' "ENTRY_DATE", '||
' "JOB_TITLE", '||
' "START_DATE", '||
' "END_DATE", '||
' "lkup_1"."DESCRIPTION" as "Status", '||
>WANT TO PLACE CASE RIGHT HERE
' "lk_up2"."DESCRIPTION" as "Action", '||
' "CATEGORY", '||
' apex_item.checkbox(1,rid) as "Confirm" '||
' from "#OWNER#"."JOB_SUMMARIES", '||
' "#OWNER#"."LOOKUPS" "lkup_1", '||
' "#OWNER#"."LOOKUPS" "lkup_2" '||
' where "REC_STATUS" <> ' || '''' || 'CF' || '''' ||
' and "REC_STATUS" = "lkup_1"."CODE" '||
' and "ACTION" = "lkup_2"."CODE"(+) ';
if :P16_EMP_ID != '-1'
then
w := ' AND EMP_ID = :P16_EMP_ID ';
we := 'Y';
end if;
if :P16_RECORD_STATUS != '-1'
then
w := w || ' AND REC_STATUS = :P16_RECORD_STATUS ';
we := 'Y';
end if;
if :P16_CATEGORY != '-1'
then
w := w || ' AND CATEGORY = :P16_CATEGORY ';
we := 'Y';
end if;
if we = 'Y'
then q := q || w;
end if;
return q;
end;
Edited by: JSandoval on Aug 10, 2009 3:42 PM -
ORA-2001:The approver group Process MFG Approvals has dynamic query in wron
ERROR ORA-2001:The approver group Process MFG Approvals has dynamic query in
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We are setting up the Approver Group 'Process MFG
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WHERE FLV.MEANING=PAPF.EMPLOYEE_NUMBER
AND lookup_type='SUG_SAMPLE_NOTIFICATION'
AND SYSDATE BETWEEN papf.effective_start_date AND papf.effective_end_date
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Any idea, plse, would be gretaly apprciated.
txs
PeterHi,
You need to prefix the value with a text string which indicates what kind of value you are returning.
E.g. if you are returning a user ID, prefix the value with 'user_id:'; if you are returning a person ID, then prefix it with 'person_id:'
There is an article on my blog about creating a dynamic approval group in AME as part 5 in the series on AME: http://www.workflowfaq.com/ame-part-five-defining-a-dynamic-approval-group
HTH,
Matt
WorkflowFAQ.com - the ONLY independent resource for Oracle Workflow development
Alpha review chapters from my book "Developing With Oracle Workflow" are available via my website http://www.workflowfaq.com
Have you read the blog at http://www.workflowfaq.com/blog ?
WorkflowFAQ support forum: http://forum.workflowfaq.com -
Conversion of Mysql query in oracle acceptable query format
Hi
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For Example
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Look at babelfish when you translate a foreign language to English. The end result is readable (usually), but it's rarely completely correct.
The problem is when you feed something into Oracle SQL, it needs to be 100% correct.
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Help on performance with dynamic query
Hi All,
We are using SQL Server 2008R2. In our one of report we are using Dynamic query and it is taking more time to retrieve the data. to retrieve 32 records it is taking 13-15 secs. In my observation in a table variable, created more than 60 columns. In
the SP called one more sp with insert statement.
Please let me know how i can improve performance of the SP.
I know that i have to provide the SP for observation but unfortunately I cannot provide the SP. Please guide me how i can achieve this .
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Waiting for valuable replies.First of all a "dynamic query" is not "a query" - it is a multitude of them. Some of them may be fast, others may be slow.
There is of course no way we can give specific suggestions without seeing the code, the table and index definitions etc.
We can only give the generic suggestions. As for the code, make sure that you are using parameterised SQL and you are not building a complete SQL string with parameters and all. If nothing else, this helps to make the code more readable and maintainable.
It also protects you against SQL injection. And it also helps to prevent performance issue due to implicit conversion.
You will need to look at the query plan to see where the bottlenecks may be. You should look at the actual query plan. Note that the thickness of the arrows are more relevant than the percentages you see; the percentages are only estimates, and estimates
are often off. Next step is to see if you can add indexes to alleviate the situation. You should also analyse if there are problems in the query, for instance indexed columns that are entangled in expression. If you are using views, make sure that you don't
have views built on top of views etc. This can often result a table appearing multiple times in a query, when one would be enough.
Erland Sommarskog, SQL Server MVP, [email protected] -
How to find table name(s) in a dynamic query
In one of our (9iAS PORTAL)applications, any user can able to run their query statment and get output. All queries will be executed as dynamic SQL thru' a common shema/user who has 'SELECT' privilege on all tables but all users don't have this privilege on all tables. Now, before executing any query I need to find out what are the table name(s) used in this query to check the privilege for the respective user. How do I extract all table names being used in a dynamic query?.
Thanks
-KrishnamurthyI guess that his users log in to application first, then application uses one account to log in to database, so application are not direct database user since all users share the same account to database. If so, when a user lgins in, you may write it down from application to a database audit table, and you need to write down the dynamic query to the database audit table too, then you may query that audit table to find out. up to here, it looks that your application has to do more to assign what role to a user running the application, since database does not know what user is assessing it.
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Hello All,
We are using a two tier architecture.
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The data server also has the checkbox for allow dynamic query enabled.
But we are still getting the following error
Error has occurred while processing data stream
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Thanks,
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I thought that just adding the role to the user and enabling the dynamic query checkbox on the data server should work.
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Hi all;
Can u please help me on the following dynamic query code ? I know I am missing the single quote around 2 dates but could not figure out where to put it ! I have tried putting 2 or 3 quotes around 2 bind vars but to no avail.
Want to create a dynamic query to simulate the the following:
select
EMPNO,ENAME,JOB,MGR,HIREDATE from emp where HIREDATE >= to_date('01/01/1981','MM/DD/YYYY') and HIREDATE <= to_date('12/31/1982','MM/DD/YYYY');
dynamic code:
declare
v_q varchar2(4000);
begin
v_q :='select EMPNO,ENAME,JOB,MGR,HIREDATE from emp ';
V_q := V_Q
|| 'where HIREDATE >= '
|| 'to_date(' || :P_DATE1 || ',' ||'''MM/DD/YYYY''' || ' )'
|| 'and HIREDATE <= '
|| 'to_date(' || :P_DATE2 || ',' ||'''MM/DD/YYYY''' || ' )';
-- end the sql
v_q := v_q ||';';
dbms_output.put_line ('V_Q is ' || V_Q);
end;
Thanks.
Zendeclare
v_q varchar2(4000);
v_rec emp%rowtype;
v_cur sys_refcursor;
begin
v_q :='select EMPNO,ENAME,JOB,MGR,HIREDATE from emp ';
V_q := V_Q || 'where HIREDATE >= to_date(:P_DATE1,''MM/DD/YYYY'') and HIREDATE <= to_date(:P_DATE2,''MM/DD/YYYY'')';
dbms_output.put_line ('V_Q is ' || V_Q);
open v_cur
for v_q
using '01/01/1981',
'12/31/1982';
loop
fetch v_cur
into v_rec.empno,
v_rec.ename,
v_rec.job,
v_rec.mgr,
v_rec.hiredate;
exit when v_cur%notfound;
dbms_output.put_line('empno = ' || v_rec.empno);
dbms_output.put_line('ename = ' || v_rec.ename);
dbms_output.put_line('job = ' || v_rec.job);
dbms_output.put_line('mgr = ' || v_rec.mgr);
dbms_output.put_line('hiredate = ' || to_char(v_rec.hiredate,'MM/DD/YYYY'));
dbms_output.put_line('====================');
end loop;
close v_cur;
end;
V_Q is select EMPNO,ENAME,JOB,MGR,HIREDATE from emp where HIREDATE >=
to_date(:P_DATE1,'MM/DD/YYYY') and HIREDATE <= to_date(:P_DATE2,'MM/DD/YYYY')
empno = 7499
ename = ALLEN
job = SALESMAN
mgr = 7698
hiredate = 02/20/1981
====================
empno = 7521
ename = WARD
job = SALESMAN
mgr = 7698
hiredate = 02/22/1981
====================
empno = 7566
ename = JONES
job = MANAGER
mgr = 7839
hiredate = 04/02/1981
====================
empno = 7654
ename = MARTIN
job = SALESMAN
mgr = 7698
hiredate = 09/28/1981
====================
empno = 7698
ename = BLAKE
job = MANAGER
mgr = 7839
hiredate = 05/01/1981
====================
empno = 7782
ename = CLARK
job = MANAGER
mgr = 7839
hiredate = 06/09/1981
====================
empno = 7839
ename = KING
job = PRESIDENT
mgr =
hiredate = 11/17/1981
====================
empno = 7844
ename = TURNER
job = SALESMAN
mgr = 7698
hiredate = 09/08/1981
====================
empno = 7900
ename = JAMES
job = CLERK
mgr = 7698
hiredate = 12/03/1981
====================
empno = 7902
ename = FORD
job = ANALYST
mgr = 7566
hiredate = 12/03/1981
====================
empno = 7934
ename = MILLER
job = CLERK
mgr = 7782
hiredate = 01/23/1982
====================
PL/SQL procedure successfully completed.
SQL> SY. -
Dynamic Query to display a page of records at a time
I need some help creating procedure with a dynamic query that will query a table and pass out a certain number of records (like records 101 - 200 of 20,000). This procedure will receive the column names, table name, where clause, page number and number of records per page. It will then pass back the requested records to be displayed on a PHP page.
Pseudo Code:
Select Dynamic_Columns, ROWNUM
Into Dynamic_Pl_Sql_Table
From Dynamic_Table
Where Dynamic_Where_Clause
Total_Records_Out := Dynamic_PL_Sql_Table.Count
Modulus := Mod(Total_Records_Out, Total_Records_Per_Page_In)
Total_Pages_Out := (Total_Records_Out - Modulus) / Total_Records_Per_Page_In
If Modulus > 0 Then
Total_Pages_Out + 1
End If
Row_Start = Page_Number_In * Total_Records_Per_Page_In
Row_End = Row_Start + Total_Records_Per_Page_In
Results_Out = Dynamic_Pl_Sql_Table(Row_Start ... Row_End)
Any help with this will be appreciated!Maybe this will help you
1) If the Serial is 0 then page break
2) total_rows gives you total number of rows selected.
3) you can apply where clause to this and it will give you appropriate records.
select empno, ename, sal,
mod(row_number() over (order by null),5) serial,
count(*) over () tot_rows from emp ed
EMPNO ENAME SAL SERIAL TOT_ROWS
7369 SMITH 800 1 14
7499 ALLEN 1600 2 14
7521 WARD 1250 3 14
7566 JONES 2975 4 14
7654 MARTIN 1250 0 14
7698 BLAKE 2850 1 14
7934 MILLER 1300 2 14
7788 SCOTT 3000 3 14
7839 KING 5000 4 14
7844 TURNER 1500 0 14
7876 ADAMS 1100 1 14
7900 JAMES 950 2 14
7902 FORD 3000 3 14
7782 CLARK 2450 4 14
14 rows selected.SS
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