Use of bind variables with the oracle db - to improve library cache perform
Dear Friends,
We are using oracle 9.0.1.1.1 db server - the performance of the db was pathetic and upon investigation it was revealed that the library cache was over loaded with sql hard parses generated by not using bind variables. We are using vb as a front end with oracle and our connection object in vb is created using ole db for oracle provided by oracle (installed from oracle client custom - programmer option).
I would appreciate if any body can tell how can we use bind variables in vb to connect to oracle such that the hard parses can be changed into soft parses.
Your effort to bring some peace in my life is worth comendable and I would be very obliged for your time and help.
Thanks a lot.
Bye
Take care.
qj
Generally, you would use bind variables by changing statements that are written like this
select * from emp where empno=6678 and ename='Jones'
so that they're written like
select * from emp where empno=? and ename=?
How you then bind these question marks to the particular values you want depends on the API you're using (ADO? OLE DB directly?, etc). If you have a support contract, there are plenty of examples for any API on metalink.oracle.com
Justin
Similar Messages
-
Using collections / Bind variables with a PL/SQL functio returning a query
I have this code, which is supposed to assign collection variables as column names
FOR i in 1 .. Collection_count -1
LOOP
SELECT c002 into :P341_M1 FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=i;
SELECT c002 into varholder FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=i;
vQuery:= vQuery || 'SUM(decode(label, ''Aware'', product_'|| i || ', ''Expert'', product_' || i || ', ''Proficient'', product_' || i || ', ''Advanced(Demo)'', product_' || i || ' )) as ';
vQuery:=vQuery || varholder || ', ' ;
END LOOP;
I've tried &P341_M1. , :P341_M1, ':P341_M1', varholder
When I try '&P341_M1' it returns the whole SUM(decode... line as the label
Basically Im having a hard time using bind variables with the PL/SQL returning a query...anybody?Ok so working through this problem more I have realized that the problem is using the for loop i as an index value
This will get a value:
SELECT c002 into :P341_M1 FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=2;
But this won't
SELECT c002 into :P341_M1 FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=i;
I'm in the for loop, and use the i variable in other places within this loop...Is there a reason why I can't compare seq_id to i?
My new code as follows:
FOR i in 1 .. Collection_count -1 --apex_application.g_f01.COUNT - 1
LOOP
varholder:=i;
SELECT c002 into :P341_M1 FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=2;
SELECT c002 into varholder FROM APEX_collections WHERE collection_name = 'MA_SKILLS' AND seq_id=4;
vQuery:= vQuery || 'SUM(decode(label, ''Aware'', product_'|| i || ', ''Expert'', product_' || i || ', ''Proficient'', product_' || i || ', ''Advanced(Demo)'', product_' || i || ' )) as f';
vQuery:=vQuery || :P341_M1 ||i||', ' ;
END LOOP; -
Use of Bind Variable in the Query of view object giving null pointer excep
I am using this code in the backing bean of my page to set the value of the bind variable 'cmdID' in the view object.
String AM = "model.UnixCommandsAppMod";
String CF = "UnixCommandsAppModLocal";
ApplicationModule am = Configuration.createRootApplicationModule(AM, CF);
ViewObject vo = am.findViewObject("Command_options_view");
vo.setNamedWhereClauseParam("cmdID", 1);
vo.executeQuery();
On the fifth line it is giving NullPointer exception.
I am not being able to figure out the reason.User,
a). Don't keep posting new questions in the same thread. It really does decrease the usability of the forum. Now, if someone searches for "INFO: ADF Faces is running with time-stamp checking enabled," they will find a post about null pointer exception in a bind variable and think, "oh, that doesn't apply to me." If your question is answered, mark the answer as correct. New questions go into a new thread. Kind of funny that the thread I pointed you to with the answer to your question also has this same admonishment.. ;)
b). I'll relent and answer your new question. Ignore that INFO message. It is not an error. It will ALWAYS ALWAYS appear when you run your application in the embedded OC4J with JDeveloper. Had you searched the forum for "INFO: ADF Faces is running with time-stamp checking enabled" you would find that the first hit (among some others) has this same answer
John -
Using a Bind Variable in the FROM part of a SQL Statement?
Hello Everyone,
I have a problem, I am trying to run an SQL statement. However I need the FROM part of the SQL statement to be a bind variable. This is because the end user will need to select between 2 database views.
I have tried this:
select CON_ID from :P23_DB_NAME where CON_LEGACY_ID=:P23_CONLEG_NO
I had no luck. The error i got was,
"+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-00903: invalid table name+"
Which makes sence, but now I am a bit stuck.
Does anyone have any ideas as to get around this problem?
Thanks in Advance.
-N.S.N.O.The example I gave you is quite simple. You need to take some time to study it to see where you need be carefull what you put where. Now, your example of course doesn't work becaues you have several errors. This will work for you:
DECLARE
x VARCHAR2 (4000);
BEGIN
x := x || 'SELECT CON_ID FROM ';
x := x || :p23_db_name;
x := x || ' WHERE CON_LEGACY_ID = ' || :p23_conleg_no;
RETURN (x);
END;Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://apex.oracle.com/pls/otn/f?p=31517:1
------------------------------------------------------------------- -
Bind variable with search parameter in Oracle BI Publisher 10
Search list for a search parameter in Oracle BI EE works fine when the query doesn't contain a bind variable (parameter identifier). But when a bind variable is introduced in the constraint of search list query, it keeps on searching endlessly. For example,
-- this doesn't work
select col1
from table
where table.col2 = :I_param_bind_var
-- this works
select col1
from table
where table.col2 = 'xyz'
Using such bind variable in the list of values for menu parameters works fine. Is it an issue regarding publisher or am I missing something?
Edited by: 933296 on Aug 21, 2012 1:38 AM<?param@begin:Show_Location;'Yes';'string';'Yes,No'?>
it will give the Parameter Show_Loactaion with drop down Yes and No.
and to display <?$Show_Location?>
<?param@begin:dept;'PAY'?>
<?$dept?> -
How to use a bind variable in a table-validated flexfield
Hi,
I want to prepare a table-validated descriptive flexfield, which uses as source a select statement.
So, in the form "Validation table information" I use as table name the statement:
(SELECT my_procedure('test_value') FROM DUAL)
Up to here it works fine.
But instead of 'test_value' I want to use the value of a field in the form or a value of another flex (using $FLEX$ bind variables).
Please advice if it is possible to perform this in "table name" statement. I use it in "where/order by" clauses and it works fine.
Thank you.Hi,
I have posted in the place where you did advise,
https://forums.oracle.com/thread/2560192
but they reply there that this is an EBS question, with no much relation to dev tools in general.
Please, can I continue in this place with this question?
Thank you. -
Testing VOs that have positional bind variables with BC4J Tester
Hi
I am doing some OAF development for eBusiness 12.1.3 and would like to understand whether VOs that have positional bind variables can be tested using the BC4J Tester in JDeveloper 10.1.3 (the latest version of JDev compatible with OAF development). It looks like it should work as when you choose "Oracle Positional" in the VO wizard Binding Style it adds another text box to the to the Bind Variables page called Bind Positions, I assume that this is so you can create variables that you can populate in the Tester that will relate name to position but I get an error regarding column index when I use the BC4J Tester:
oracle.jbo.SQLStmtException: JBO-27122: SQL error during statement preparation. Statement: SELECT CASE
WHEN ph.closed_code IN ('CANCELLED', 'CLOSED','FINALLY CLOSED')
THEN 'Expired Item'
WHEN prl.unit_price <> pl.unit_price
THEN 'Price Update'
ELSE ''
END item_status
FROM po_lines pl,
po_headers ph,
po_requisition_lines prl
WHERE ph.po_header_id = pl.po_header_id
AND prl.blanket_po_header_id = pl.po_header_id
AND prl.blanket_po_line_num = pl.line_num
AND pl.po_header_id = :1
AND pl.line_num = :2
AND prl.requisition_line_id = :3
at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:833)
at oracle.jbo.server.QueryCollection.executeQuery(QueryCollection.java:666)
at oracle.jbo.server.ViewObjectImpl.executeQueryForCollection(ViewObjectImpl.java:3655)
at oracle.jbo.server.OAJboViewObjectImpl.executeQueryForCollection(Unknown Source)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQueryForCollection(OAViewObjectImpl.java:4560)
at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:742)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMasters(ViewRowSetImpl.java:891)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMode(ViewRowSetImpl.java:805)
at oracle.jbo.server.ViewRowSetImpl.executeQuery(ViewRowSetImpl.java:799)
at oracle.jbo.server.ViewObjectImpl.executeQuery(ViewObjectImpl.java:3575)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQuery(OAViewObjectImpl.java:439)
at oracle.jbo.jbotester.VariableDialog.save(VariableDialog.java:144)
at oracle.jbo.jbotester.GenericDialog.actionPerformed(GenericDialog.java:219)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:153)
at java.awt.Dialog$1.run(Dialog.java:515)
at java.awt.Dialog.show(Dialog.java:536)
at oracle.jbo.jbotester.JTDialog.show(JTDialog.java:121)
at oracle.jbo.jbotester.JboTesterUtil.editBindParameters(JboTesterUtil.java:169)
at oracle.jbo.jbotester.SimpleForm.setIterator(SimpleForm.java:65)
at oracle.jbo.jbotester.SimpleForm.<init>(SimpleForm.java:51)
at oracle.jbo.jbotester.VOTreeNode.showForm(VOTreeNode.java:115)
at oracle.jbo.jbotester.BaseTree.processTreeMouseClicked(BaseTree.java:471)
at oracle.jbo.jbotester.BaseTree.mav$processTreeMouseClicked(BaseTree.java:45)
at oracle.jbo.jbotester.BaseTree$TreeMouseListener.mouseClicked(BaseTree.java:125)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:212)
at java.awt.Component.processMouseEvent(Component.java:5491)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3901)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
## Detail 0 ##
java.sql.SQLException: Invalid column index
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:138)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:175)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:240)
at oracle.jdbc.driver.OraclePreparedStatement.setNUMBERInternal(OraclePreparedStatement.java:5891)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectCritical(OraclePreparedStatement.java:7674)
at oracle.jdbc.driver.OraclePreparedStatement.setCustomDatumInternal(OraclePreparedStatement.java:7410)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:8178)
at oracle.jdbc.driver.OraclePreparedStatement.setObject(OraclePreparedStatement.java:8166)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParamValue(BaseSQLBuilderImpl.java:1847)
at oracle.jbo.server.OracleSQLBuilderImpl.bindParamValue(OracleSQLBuilderImpl.java:3890)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParametersForStmt(BaseSQLBuilderImpl.java:3335)
at oracle.jbo.server.ViewObjectImpl.bindParametersForCollection(ViewObjectImpl.java:13759)
at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:801)
at oracle.jbo.server.QueryCollection.executeQuery(QueryCollection.java:666)
at oracle.jbo.server.ViewObjectImpl.executeQueryForCollection(ViewObjectImpl.java:3655)
at oracle.jbo.server.OAJboViewObjectImpl.executeQueryForCollection(Unknown Source)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQueryForCollection(OAViewObjectImpl.java:4560)
at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:742)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMasters(ViewRowSetImpl.java:891)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMode(ViewRowSetImpl.java:805)
at oracle.jbo.server.ViewRowSetImpl.executeQuery(ViewRowSetImpl.java:799)
at oracle.jbo.server.ViewObjectImpl.executeQuery(ViewObjectImpl.java:3575)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQuery(OAViewObjectImpl.java:439)
at oracle.jbo.jbotester.VariableDialog.save(VariableDialog.java:144)
at oracle.jbo.jbotester.GenericDialog.actionPerformed(GenericDialog.java:219)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:153)
at java.awt.Dialog$1.run(Dialog.java:515)
at java.awt.Dialog.show(Dialog.java:536)
at oracle.jbo.jbotester.JTDialog.show(JTDialog.java:121)
at oracle.jbo.jbotester.JboTesterUtil.editBindParameters(JboTesterUtil.java:169)
at oracle.jbo.jbotester.SimpleForm.setIterator(SimpleForm.java:65)
at oracle.jbo.jbotester.SimpleForm.<init>(SimpleForm.java:51)
at oracle.jbo.jbotester.VOTreeNode.showForm(VOTreeNode.java:115)
at oracle.jbo.jbotester.BaseTree.processTreeMouseClicked(BaseTree.java:471)
at oracle.jbo.jbotester.BaseTree.mav$processTreeMouseClicked(BaseTree.java:45)
at oracle.jbo.jbotester.BaseTree$TreeMouseListener.mouseClicked(BaseTree.java:125)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:212)
at java.awt.Component.processMouseEvent(Component.java:5491)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3901)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
----- LEVEL 1: DETAIL 0 -----
java.sql.SQLException: Invalid column index
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:138)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:175)
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:240)
at oracle.jdbc.driver.OraclePreparedStatement.setNUMBERInternal(OraclePreparedStatement.java:5891)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectCritical(OraclePreparedStatement.java:7674)
at oracle.jdbc.driver.OraclePreparedStatement.setCustomDatumInternal(OraclePreparedStatement.java:7410)
at oracle.jdbc.driver.OraclePreparedStatement.setObjectInternal(OraclePreparedStatement.java:8178)
at oracle.jdbc.driver.OraclePreparedStatement.setObject(OraclePreparedStatement.java:8166)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParamValue(BaseSQLBuilderImpl.java:1847)
at oracle.jbo.server.OracleSQLBuilderImpl.bindParamValue(OracleSQLBuilderImpl.java:3890)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParametersForStmt(BaseSQLBuilderImpl.java:3335)
at oracle.jbo.server.ViewObjectImpl.bindParametersForCollection(ViewObjectImpl.java:13759)
at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:801)
at oracle.jbo.server.QueryCollection.executeQuery(QueryCollection.java:666)
at oracle.jbo.server.ViewObjectImpl.executeQueryForCollection(ViewObjectImpl.java:3655)
at oracle.jbo.server.OAJboViewObjectImpl.executeQueryForCollection(Unknown Source)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQueryForCollection(OAViewObjectImpl.java:4560)
at oracle.jbo.server.ViewRowSetImpl.execute(ViewRowSetImpl.java:742)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMasters(ViewRowSetImpl.java:891)
at oracle.jbo.server.ViewRowSetImpl.executeQueryForMode(ViewRowSetImpl.java:805)
at oracle.jbo.server.ViewRowSetImpl.executeQuery(ViewRowSetImpl.java:799)
at oracle.jbo.server.ViewObjectImpl.executeQuery(ViewObjectImpl.java:3575)
at oracle.apps.fnd.framework.server.OAViewObjectImpl.executeQuery(OAViewObjectImpl.java:439)
at oracle.jbo.jbotester.VariableDialog.save(VariableDialog.java:144)
at oracle.jbo.jbotester.GenericDialog.actionPerformed(GenericDialog.java:219)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1849)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2169)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)
at java.awt.Component.processMouseEvent(Component.java:5488)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3892)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:153)
at java.awt.Dialog$1.run(Dialog.java:515)
at java.awt.Dialog.show(Dialog.java:536)
at oracle.jbo.jbotester.JTDialog.show(JTDialog.java:121)
at oracle.jbo.jbotester.JboTesterUtil.editBindParameters(JboTesterUtil.java:169)
at oracle.jbo.jbotester.SimpleForm.setIterator(SimpleForm.java:65)
at oracle.jbo.jbotester.SimpleForm.<init>(SimpleForm.java:51)
at oracle.jbo.jbotester.VOTreeNode.showForm(VOTreeNode.java:115)
at oracle.jbo.jbotester.BaseTree.processTreeMouseClicked(BaseTree.java:471)
at oracle.jbo.jbotester.BaseTree.mav$processTreeMouseClicked(BaseTree.java:45)
at oracle.jbo.jbotester.BaseTree$TreeMouseListener.mouseClicked(BaseTree.java:125)
at java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:212)
at java.awt.Component.processMouseEvent(Component.java:5491)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3126)
at java.awt.Component.processEvent(Component.java:5253)
at java.awt.Container.processEvent(Container.java:1966)
at java.awt.Component.dispatchEventImpl(Component.java:3955)
at java.awt.Container.dispatchEventImpl(Container.java:2024)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4212)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3901)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3822)
at java.awt.Container.dispatchEventImpl(Container.java:2010)
at java.awt.Window.dispatchEventImpl(Window.java:1774)
at java.awt.Component.dispatchEvent(Component.java:3803)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)
Is there some other configuration I need to do when using positional Bind Variables? If I switch the query to use named parameters and replace :1 with :var1 for example it works fine in the Tester. The reason I am not using named bind variables is that Oracle recommend using positional for eBus, probably because it was predominantly built on older versions of JDev.
Thanks in advance
Stacy
Edited by: Stacy Carpenter on 26-Mar-2013 06:40There are actually 2 issues here. The first is that bind positions start at 0 (not 1) and that will resolve the invalid column index issue above. However it seems there is a relatively unknown error in JDeveloper 10.1.3 that keeps resetting the bind position of all bind variables each time you update any of them. So if I create var1 with a position of 0 and then create var2 with a position of 1 then the position of var1 will also be overwritten with 1. I tried listing 0,1 for both to see whether the the IDE would intuitively sort out what was supposed to be where but all that happens is that var2 ends up populating positions 0 and 1, which unless the values are meant to be the same is obviously no good. It seems the only way to get around this in this version of JDeveloper is to close the IDE, edit the VO xml to put the variables against their correct positions, and then reopen. Opening the VO wizard will reset them all to the same again so do not do this (unknowingly) and simply right click the AM and run the BC4J Tester which should now let you edit the bind variables and produce the expected results.
Cheers
Stacy -
Using variable with the same name as field name?
I have a complex proc where I have variables with the same name as field name used on a query. something like this:
SELECT a.id_table WHERE a.id_table = id_table
where the last id_table is a parameter sent to the proc:
declare procedure myproc(id_table int)
Is there any way or notation to declare the variable inside the query as a variable or I have to use a different name?Well, variables are not the only thing you have to change if you want to switch to Oracle.
Although I don't think it is good practice (to use variable name same as column name), here is one example how you can achieve it using EXECUTE IMMEDIATE and bind variable
SQL> select deptno, count(1)
2 from scott.emp
3 group by deptno;
DEPTNO COUNT(1)
30 6
20 5
10 3
SQL> set serveroutput on
SQL> declare
2 deptno varchar2(10);
3 i number;
4 begin
5 deptno:=10;
6 execute immediate
7 'select count(1) from scott.emp where deptno=:deptno' into i using deptno;
8 dbms_output.put_line('OUT ---> '||i);
9 end;
10 /
OUT ---> 3
PL/SQL procedure successfully completed.
SQL> Message was edited by:
tekicora
Message was edited by:
tekicora -
How to use bind variables with XMLTABLE?
I tried to use bind variables with xmltable statment. Here, my testcase:
create or replace function wsdltest return xmltype as
l_dummy xmltype;
l_stt clob;
l_name varchar2(500);
l_xml clob;
BEGIN
l_xml :=
'<definitions name="F1" targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
<types>
<xsd:schema targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" elementFormDefault="qualified">
<xsd:element name="SVARCHAR2-F1Input">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="A-VARCHAR2-IN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="F1Output">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="RETURN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</types>
<message name="F1InputMessage">
<part name="parameters" element="tns:SVARCHAR2-F1Input"/>
</message>
<message name="F1OutputMessage">
<part name="parameters" element="tns:F1Output"/>
</message>
<portType name="F1PortType">
<operation name="F1">
<input message="tns:F1InputMessage"/>
<output message="tns:F1OutputMessage"/>
</operation>
</portType>
<binding name="F1Binding" type="tns:F1PortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="F1">
<soap:operation soapAction="F1"/>
<input>
<soap:body parts="parameters" use="literal"/>
</input>
<output>
<soap:body parts="parameters" use="literal"/>
</output>
</operation>
</binding>
<service name="F1Service">
<documentation>Oracle Web Service</documentation>
<port name="F1Port" binding="tns:F1Binding">
<soap:address location="http://localhost:8080/orawsv/XFILES/F1"/>
</port>
</service>
</definitions>';
-- OK
l_stt := 'select * from xmltable(XMLNAMESPACES(''http://www.w3.org/2001/XMLSchema'' AS "XSD", default ''http://schemas.xmlsoap.org/wsdl/''),
''//definitions/types/XSD:schema/XSD:element[@name="SVARCHAR2-F1Input"]''
passing xmltype(:1)
columns
ab xmltype path ''.'' ) t';
EXECUTE IMMEDIATE l_stt INTO l_dummy using l_xml;
-- ERROR ORA-01006
l_name := '"SVARCHAR2-F1Input"';
l_stt := 'select * from xmltable(XMLNAMESPACES(''http://www.w3.org/2001/XMLSchema'' AS "XSD", default ''http://schemas.xmlsoap.org/wsdl/''),
''//definitions/types/XSD:schema/XSD:element[@name=:2]''
passing xmltype(:1)
columns
ab xmltype path ''.'' ) t';
EXECUTE IMMEDIATE l_stt INTO l_dummy using l_xml, l_name;
return l_dummy;
END;
Any idea ?
Thanks in advance
CyrylWhy are you using dynamic SQL statements? Why not just use something like this instead in your PL/SQL. I also replaced the leading // in your Xpath with just / since you start from the root node.
select *
INTO l_dummy
from xmltable(XMLNAMESPACES('http://www.w3.org/2001/XMLSchema' AS "XSD", default 'http://schemas.xmlsoap.org/wsdl/'),
'/definitions/types/XSD:schema/XSD:element'
passing xmltype(l_xml)
columns
ab xmltype path '.' ) t;Also, the above returns two rows, which I suspect is not what you want. Here is the pure SQL version for you to debug.
select *
from xmltable(XMLNAMESPACES('http://www.w3.org/2001/XMLSchema' AS "XSD", default 'http://schemas.xmlsoap.org/wsdl/'),
'/definitions/types/XSD:schema/XSD:element'
passing xmltype('<definitions name="F1" targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
<types>
<xsd:schema targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" elementFormDefault="qualified">
<xsd:element name="SVARCHAR2-F1Input">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="A-VARCHAR2-IN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="F1Output">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="RETURN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</types>
<message name="F1InputMessage">
<part name="parameters" element="tns:SVARCHAR2-F1Input"/>
</message>
<message name="F1OutputMessage">
<part name="parameters" element="tns:F1Output"/>
</message>
<portType name="F1PortType">
<operation name="F1">
<input message="tns:F1InputMessage"/>
<output message="tns:F1OutputMessage"/>
</operation>
</portType>
<binding name="F1Binding" type="tns:F1PortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="F1">
<soap:operation soapAction="F1"/>
<input>
<soap:body parts="parameters" use="literal"/>
</input>
<output>
<soap:body parts="parameters" use="literal"/>
</output>
</operation>
</binding>
<service name="F1Service">
<documentation>Oracle Web Service</documentation>
<port name="F1Port" binding="tns:F1Binding">
<soap:address location="http://localhost:8080/orawsv/XFILES/F1"/>
</port>
</service>
</definitions>'
columns
ab xmltype path '.' ) t -
Trying to use bind variables with a list
I have the following dynamic SQL statement which I'm trying to convert to use pure bind variables. the variable "v_list" is a string that gets filled dynamically with a list of numbers so it can be used in an expression "IN (<expr>)". The number of elements is not constant but DB driven. I cannot simply replace it with a bind variable, I get the "Invalid number" error.
I read up on using collection/varrays but they seem to be build for other purposes. any ideas?
BTW this query catcehs the NO_DATA and TOO_MANY exception. basically we are interested in either found at least one record, or not.
DECLARE
v_list VARCHAR2(1000);
v_P1 INTEGER;
v_temp INTEGER;
v_list := '0';
FOR <some condition>
LOOP
v_list := v_list || ',' || <some-number>;
END LOOP;
v_String := 'SELECT pID FROM t1'
|| ' WHERE pID IN (' || v_list || ')'
|| ' AND f2 = :1 '
|| ' AND f3 = 1';
EXECUTE IMMEDIATE v_String INTO v_temp USING v_P1;Tom Kyte has a discussion that will probably be useful here
http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:210612357425
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC -
Using bind variables in the model view for master detail
Hi all,
I have a master-detail views setup on the following two queries.
In the first query below - I use two bind variables to collect the start and end date.
you have to add (and :startDate = :startDate and :endDate = :endDate) or you will get errors - bind not defined in sql
I then use the viewQueryCriteria to collect the data on a search panel - so far so good. (Make the bind variables required) along with the other criteria.
The bind variables are displayed in the search panel and the data is entered correctly.
The query executes and all is happy.
VIEWOBJECT1
SELECT DepositAccounts.COA_ID,
... ChartOfAccounts.ACCOUNT_CODE || ' ' || ChartOfAccounts.ACCOUNT_TITLE as description
FROM DEPOSIT_ACCOUNTS DepositAccounts, DEPOSIT_ACCOUNT_DETAILS DepositAccountDetails, CHART_OF_ACCOUNTS ChartOfAccounts
WHERE DepositAccounts.ID = DepositAccountDetails.DEP_ACC_ID
and ChartOfAccounts.id = DepositAccountDetails.COA_ID
and :startDate = :startDate and :endDate = :endDate
Now I add the summation of a value (AMOUNT) to the view object (java - create view impl) to the VOViewRowImpl
and everything works - the value is shown in the transient attribute formatted and looking nice.
VIEWOBJECT2
SELECT PostingBatchAccounts.AMOUNT,
FROM POSTING_BATCH_ACCOUNTS PostingBatchAccounts, POSTING_BATCHES PostingBatches
where PostingBatchAccounts.PB_ID = PostingBatches.ID
and PostingBatches.SOURCE_DATE between :startDate and :endDate
Now I need to add the start date and end date to the child query - before the view executes (or the summation is calculated).
The attributes are in the where clause (PostingBatches.SOURCE_DATE between :startDate and :endDate) in VIEWOBJECT2 which is the child.
I need the child records and the summation to work with the date restrictions.
I would assume you could get access to the child view in the VOViewImpl file and set the bind variables there.
Everything I find is based on the JSF - not the model layer - this should be fairly easy (and common). can anyone give me a hand on this?Hi all,
I have a master-detail views setup on the following two queries.
In the first query below - I use two bind variables to collect the start and end date.
you have to add (and :startDate = :startDate and :endDate = :endDate) or you will get errors - bind not defined in sql
I then use the viewQueryCriteria to collect the data on a search panel - so far so good. (Make the bind variables required) along with the other criteria.
The bind variables are displayed in the search panel and the data is entered correctly.
The query executes and all is happy.
VIEWOBJECT1
SELECT DepositAccounts.COA_ID,
... ChartOfAccounts.ACCOUNT_CODE || ' ' || ChartOfAccounts.ACCOUNT_TITLE as description
FROM DEPOSIT_ACCOUNTS DepositAccounts, DEPOSIT_ACCOUNT_DETAILS DepositAccountDetails, CHART_OF_ACCOUNTS ChartOfAccounts
WHERE DepositAccounts.ID = DepositAccountDetails.DEP_ACC_ID
and ChartOfAccounts.id = DepositAccountDetails.COA_ID
and :startDate = :startDate and :endDate = :endDate
Now I add the summation of a value (AMOUNT) to the view object (java - create view impl) to the VOViewRowImpl
and everything works - the value is shown in the transient attribute formatted and looking nice.
VIEWOBJECT2
SELECT PostingBatchAccounts.AMOUNT,
FROM POSTING_BATCH_ACCOUNTS PostingBatchAccounts, POSTING_BATCHES PostingBatches
where PostingBatchAccounts.PB_ID = PostingBatches.ID
and PostingBatches.SOURCE_DATE between :startDate and :endDate
Now I need to add the start date and end date to the child query - before the view executes (or the summation is calculated).
The attributes are in the where clause (PostingBatches.SOURCE_DATE between :startDate and :endDate) in VIEWOBJECT2 which is the child.
I need the child records and the summation to work with the date restrictions.
I would assume you could get access to the child view in the VOViewImpl file and set the bind variables there.
Everything I find is based on the JSF - not the model layer - this should be fairly easy (and common). can anyone give me a hand on this? -
Using bind variable with IN clause
My application runs a limited number of straight up queries (no stored procs) using ODP.NET. For the most part, I'm able to use bind variables to help with query caching, etc... but I'm at a loss as to how to use bind variables with IN clauses. Basically, I'm looking for something like this:
int objectId = 123;
string[] listOfValues = { "a", "b", "c"};
OracleCommand command = new OracleCommand();
command.Connection = conn;
command.BindByName = true;
command.CommandText = @"select blah from mytable where objectId = :objectId and somevalue in (:listOfValues)";
command.Parameters.Add("objectId", objectId);
command.Parameters.Add("listOfValues", listOfValues);
I haven't had much luck yet using an array as a bind variable. Do I need to pass it in as a PL/SQL associative array? Cast the values to a TABLE?
Thanks,
NickNevermind, found this
How to use OracleParameter whith the IN Operator of select statement
which contained this, which is a brilliant solution
http://oradim.blogspot.com/2007/12/dynamically-creating-variable-in-list.html -
Error using bind variables with SQL server with SQL92 mode
I am using 2 bind variable in my VO (JDBC positional) . The mode is SQL 92 for ADF BC. I do not use the bind variable directly but in a view criteria. I see following error in the logs.
The logs show the query executed and error. I tried both ways - making bind variable required and not required. I have set -Djbo.SQLBuilder=SQLServer property. My other page works which has an updatable VO.
JDEV version is - JDEVADF_11.1.1.7.0_GENERIC_130226.1400.6493
<ViewObjectImpl> <getQueryHitCount> [4567] Estimated Row Count for ViewObject: [oracle.epm.fm.bc4j.queries.admin.UserOnSystemROVO]AdministrationAM.UserOnSystemROVO1, Query Statement:
<ViewObjectImpl> <getQueryHitCount> [4568] "SELECT count(1) FROM (SELECT * FROM (SELECT
TABLE1.SUSERNAME USERNAME,
TABLE2.SMODULENAME MODULENAME,
TABLE2.LACTIVITYCODE ACTIVITYCODE,
TABLE2.DSTARTTIME STARTTIME,
TABLE2.SSERVERNAME SERVERNAME,
TABLE2.SAPPNAME APPNAME,
TABLE2.LSESSIONID SESSIONID,
TABLE2.LSESSIONSTATUS SESSIONSTATUS,
TABLE2.LUSERID USERID,
TABLE2.DSTILLALIVETS STILLALIVETS,
TABLE2.LTASKID TASKID,
TABLE2.SACTIVITYDESC ACTIVITYDESC,
TABLE1.LUSERID USERID1,
TABLE1.SUSERDESC USERDESC
FROM
TABLE2 TABLE2,
TABLE1 TABLE1
WHERE
TABLE2.LUSERID = TABLE1.LUSERID) QRSLT WHERE ( ( ( ( UPPER(SERVERNAME) = UPPER(?) ) OR ( ? IS NULL ) ) AND ( ( UPPER(APPNAME) = UPPER(?) ) OR ( ? IS NULL ) ) ) )) ESTCOUNT"
<ViewObjectImpl> <getQueryHitCount> [4569] Bind params for ViewObject.getQueryHitCount: UserOnSystemROVO1
<ViewRowSetImpl> <doSetWhereClauseParam> [4570] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(0, null, null)
<ViewRowSetImpl> <doSetWhereClauseParam> [4571] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(1, null, null)
<ViewRowSetImpl> <doSetWhereClauseParam> [4572] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(4, null, null)
<ViewRowSetImpl> <doSetWhereClauseParam> [4573] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(5, null, null)
<ViewRowSetImpl> <doSetWhereClauseParam> [4574] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(2, null, null)
<ViewRowSetImpl> <doSetWhereClauseParam> [4575] UserOnSystemROVO1 ViewRowSetImpl.doSetWhereClause(3, null, null)
<ADFLogger> <addContextData> Estimated row count
<BaseSQLBuilderImpl> <bindParamValue> [4576] Binding null of type 12 for 1
<BaseSQLBuilderImpl> <bindParamValue> [4577] Binding null of type 12 for 2
<BaseSQLBuilderImpl> <bindParamValue> [4578] Binding null of type 12 for 3
<BaseSQLBuilderImpl> <bindParamValue> [4579] Binding null of type 12 for 4
<BaseSQLBuilderImpl> <bindParamValue> [4580] Binding null of type 12 for 5
<ViewObjectImpl> <getQueryHitCount> [4581] ViewObjectImpl.getQueryHitCount failed...
<ViewObjectImpl> <getQueryHitCount> [4582] java.sql.SQLException: [FMWGEN][SQLServer JDBC Driver]Invalid parameter binding(s).
at weblogic.jdbc.sqlserverbase.dda4.b(Unknown Source)
at weblogic.jdbc.sqlserverbase.dda4.a(Unknown Source)
at weblogic.jdbc.sqlserverbase.dda3.b(Unknown Source)
at weblogic.jdbc.sqlserverbase.dda3.a(Unknown Source)
at weblogic.jdbc.sqlserverbase.ddb8.a(Unknown Source)
at weblogic.jdbc.sqlserverbase.ddb9.a(Unknown Source)
at weblogic.jdbc.sqlserverbase.ddb9.setNull(Unknown Source)
at weblogic.jdbc.wrapper.PreparedStatement.setNull(PreparedStatement.java:622)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParamValue(BaseSQLBuilderImpl.java:2215)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParametersForStmt(BaseSQLBuilderImpl.java:3687)
at oracle.jbo.server.ViewObjectImpl.bindParametersForCollection(ViewObjectImpl.java:22684)
at oracle.jbo.server.ViewObjectImpl.getQueryHitCount(ViewObjectImpl.java:4944)
at oracle.jbo.server.ViewObjectImpl.getQueryHitCount(ViewObjectImpl.java:4857)
at oracle.jbo.server.QueryCollection.getEstimatedRowCount(QueryCollection.java:4204)
at oracle.jbo.server.ViewRowSetImpl.getEstimatedRowCount(ViewRowSetImpl.java:2677)
at oracle.jbo.server.ViewObjectImpl.getEstimatedRowCount(ViewObjectImpl.java:10632)After making all the bind variables not required, the error is no longer coming.
-
How to use bind variables in the following query
CREATE OR REPLACE PROCEDURE MMDB.test IS
sel_qtn VARCHAR2 (10);
CURSOR PT_QUANTITY IS select * from mmdb.product_tree WHERE QUANTITY_CHECK ='E'
AND run_id = 100
a PT_QUANTITY%ROWTYPE;
BEGIN
FOR i IN PT_QUANTITY
loop
sel_qtn := i.quanttity-1;
While sel_qtn>=1
loop
insert into mmdb.product_tree (BILLING_ACCOUNT_NO ,S_CODE) values (i.BILLING_ACCOUNT_NO ,i.S_CODE||'E');
sel_qtn :=sel_qtn -1;
End loop;
commit;
end;Don't duplicate threads: How to use bind variables in the following query
-
Map the user exit variables with the queries/cubes using them
Hello Friends,
What are the post unicode conversion tests that you can perform on front end/existing queries?
is there any added advantage for queries due to unicode?
is testing the working of variable enough? is there any table to map the user exit variables with the queries/cubes using them?
Thanks
TanyaGuys, any clue about this? Answer are appreciated.
Thanks
Tanya
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