org.postgresql.util.PSQLException: ERROR: operator does not exist: character varying = integer

Hi All,

I am using postgresql 8.3.5 and I hit the following error during one of my
fetch queries. I googled and found that V8.3 onwards Non-character data
types are no longer automatically cast to TEXT.
I also found that a custom cast can be written.
Can any one help me to write a cast statement which automatically cast
integer to character??

Here is the error which I hit

org.postgresql.util.PSQLException: ERROR: operator does not exist: character
varying = integer
at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1548)
at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1316)
at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:191)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:452)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:351)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeQuery(AbstractJdbc2Statement.java:255)
at sun.reflect.GeneratedMethodAccessor421.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at
org.postgresql.ds.jdbc23.AbstractJdbc23PooledConnection$StatementHandler.invoke(AbstractJdbc23PooledConnection.java:471)
at $Proxy45.executeQuery(Unknown Source)
at
org.tranql.connector.jdbc.PreparedStatementHandle.executeQuery(PreparedStatementHandle.java:49)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:264)
at
org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnection$LoggingPreparedStatement.executeQuery(LoggingConnectionDecorator.java:842)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:262)
at
org.apache.openjpa.jdbc.sql.PostgresDictionary$PostgresPreparedStatement.executeQuery(PostgresDictionary.java:365)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:262)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStatement.executeQuery(JDBCStoreManager.java:1372)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(DelegatingPreparedStatement.java:252)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:372)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:330)
at
org.apache.openjpa.jdbc.sql.LogicalUnion$UnionSelect.execute(LogicalUnion.java:407)
at
org.apache.openjpa.jdbc.sql.LogicalUnion.execute(LogicalUnion.java:218)
at
org.apache.openjpa.jdbc.sql.LogicalUnion.execute(LogicalUnion.java:208)
at
org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.open(SelectResultObjectProvider.java:94)
at
org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:34)
at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1223)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:990)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:842)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:773)
at
org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:525)
at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:237)
at
org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:277)
at
com.tnhsp.sbean.biomedicalwaste.WasteDetailsSBean.findForModifyWard(WasteDetailsSBean.java:155)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:45)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at
org.apache.openejb.core.interceptor.ReflectionInvocationContext$Invocation.invoke(ReflectionInvocationContext.java:158)
at
org.apache.openejb.core.interceptor.ReflectionInvocationContext.proceed(ReflectionInvocationContext.java:141)
at
org.apache.openejb.core.interceptor.InterceptorStack.invoke(InterceptorStack.java:67)
at
org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:210)
at
org.apache.openejb.core.stateless.StatelessContainer._invoke(StatelessContainer.java:188)
at
org.apache.openejb.core.stateless.StatelessContainer.invoke(StatelessContainer.java:165)
at
org.apache.openejb.core.ivm.EjbObjectProxyHandler.businessMethod(EjbObjectProxyHandler.java:217)
at
org.apache.openejb.core.ivm.EjbObjectProxyHandler._invoke(EjbObjectProxyHandler.java:77)
at
org.apache.openejb.core.ivm.BaseEjbProxyHandler.invoke(BaseEjbProxyHandler.java:245)
at
org.apache.openejb.util.proxy.Jdk13InvocationHandler.invoke(Jdk13InvocationHandler.java:49)
at $Proxy21.findForModifyWard(Unknown Source)
at
com.tnhsp.mbeans.biomedicalwaste.wasteDetailsMBean.actionGo(wasteDetailsMBean.java:242)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:45)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at org.apache.el.parser.AstValue.invoke(AstValue.java:172)
at
org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at
org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
at
javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:75)
at
org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:54)
at javax.faces.component.UICommand.broadcast(UICommand.java:121)
at
org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
at
org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
at
org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
at
org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:466)
at
org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:32)
at
org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:103)
at
org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:76)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:148)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at SessionFilter.doFilter(SessionFilter.java:43)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
at
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at
org.apache.geronimo.tomcat.valve.DefaultSubjectValve.invoke(DefaultSubjectValve.java:56)
at
org.apache.geronimo.tomcat.GeronimoStandardContext$SystemMethodValve.invoke(GeronimoStandardContext.java:406)
at
org.apache.geronimo.tomcat.valve.GeronimoBeforeAfterValve.invoke(GeronimoBeforeAfterValve.java:47)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:568)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
at
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:735)

Thanks
Ashish