ADF

How to get LOV value instead of index when it is used in “selectOneChoice” component in the table row?

When using LOV’s, a common issue in ADF is to get selected value instead of index when LOV is used to render for example “selectOneChoice” component. I’ve faced it when “selectOneChoice” was used in table. That means every row in table can have different selection of LOV values. Thus we can’t rely on iterators current row and simply to access…

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ADF, ADF Exceptions

JBO-25058: Definition vc_temp_1 of type Variable is not found in …

“JBO-25058: Definition vc_temp_1 of type Variable is not found in …”. What can be the reason? ADF creates/reuses application module (AM) instance for each user request. It is passivated (saved) after each HTTP request (if configured accordingly). When in application there are used some queries with view criteria, filter variables are passivated  for according AM as well. During the next…

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Database

How to create XMLIndex? When its worth to use it?

How to create XML index? Very general way with all default applied as follows: create index index_name on table_name (xmltype_column) indextype is xdb.xmlindex; Check the name of PATH table select path_table_name from user_xml_indexes  where table_name = ‘table_name’ and index_name = ‘index_name’;  Check what secondary indexes are used select c.index_name, c.column_name, c.column_position, e.column_expression   from user_ind_columns c left outer join user_ind_expressions…

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Database, Logging, SQL and PL/SQL

How to enable tracing in Oracle DB? How to read trace files?

There are many ways to enable tracing in Oracle DB, some are legacy and deprecated. One of latest and recommended method for 11gR2 – use of DBMS_MONITOR (find out more about it in Oracle reference) package. To enable whole instance tracing: execute dbms_monitor.database_trace_enable(waits => true, binds => true,  instance_name => ‘instance_name’); To disable whole instance tracing:  execute dbms_monitor.database_trace_disable(instance_name => ‘instance_name’);…

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ADF

ADF “Select many shuttle” (af:selectManyShuttle) component does not show all items in the leading list

   ADF “Select many shuttle” does not populate all items available in binded iterator. I don’t know whether this is a bug or some other reason, but af:selectManyShuttle in the leading list populates just no more items then defined in the “RangeSize” property of iterator.   To my mind it supposed to fetch all items in iterator in bunches of %RangeSize%…

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ADF

Problem with navigation using task flow actions – action is not executed after first button click

I experienced such strange ADF behavior regarding navigation using task-flow actions. Navigation doesn’t work after single button press. After second press – works fine. Preconditions: Application “MyApp” with two pages – main.jspx and popup.jspx (You can download sample app) popup.jspx belongs to bounded task-flow main.jspx belongs to unbounded task-flow Action “open” is defined in unbouded task-flow (see picture below) CommandButton…

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