How to remove the variable created when using definedNamedWhereClauseParam()

Hello

My Jdev version 11.1.1.7.0.

I'm Executive where clause programatically where I need to bind two bind parameters under certain conditions. Example, I have two bind variables X, Y.

Here's the problem:

Assume that the first time I'm setting one variable X, so I define X bind variable and execute the query.

What second time I send only Y but not X. In this implementation of the scenario of VO throw an exception, given that the variable X is already created in the VO object and where clause does not have this setting.

So how to remove variables created in the original Version all in definedNamedWhereClauseParam(). I need to erase what ever the previously created variable every time I execute method.

I can make the similar functionlity using setWhereClauseParam (using literals). But I have a few technical restrictions for use.

Could you please help me how to remove the variable before vo using definedNamedWhereClauseParam.

Caused by: java.sql.SQLException: try to set a parameter name that does not intervene in the SQL: itemNumber
at oracle.jdbc.driver.OraclePreparedStatement.setObjectAtName(OraclePreparedStatement.java:15969)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.setObjectAtName(OraclePreparedStatementWrapper.java:911)
at weblogic.jdbc.wrapper.PreparedStatement_oracle_jdbc_driver_OraclePreparedStatementWrapper.setObjectAtName (unknown Source)
at oracle.jbo.server.OracleSQLBuilderImpl.bindParamValue(OracleSQLBuilderImpl.java:4669)
at oracle.jbo.server.BaseSQLBuilderImpl.bindParametersForStmt(BaseSQLBuilderImpl.java:3687)
at oracle.jbo.server.ViewObjectImpl.bindParametersForCollection(ViewObjectImpl.java:22742)
at oracle.jbo.server.QueryCollection.buildResultSet(QueryCollection.java:1298)
... more than 96



Thank you.

-Diette.

Published by: Vidya Diette on February 28, 2013 08:43

Hello

You need access to the variable Manager. Order of reading in the JavaDocs:

http://docs.Oracle.com/CD/E28389_01/apirefs.1111/e10653/Oracle/JBO/ViewObject.html--> http://docs.oracle.com/cd/E28389_01/apirefs.1111/e10653/oracle/jbo/VariableManagerOwnerBase.html#getVariableManager%28%29--> http://docs.oracle.com/cd/E28389_01/apirefs.1111/e10653/oracle/jbo/VariableValueManager.html--> http://docs.oracle.com/cd/E28389_01/apirefs.1111/e10653/oracle/jbo/VariableManager.html#removeVariable%28java.lang.String%29

Frank

Tags: Java

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