Hi Albert, thanks for your input. I will auto-enable SQL trace when this trace is enabled. BTW, I am changing the the name 'Extra' to 'DIAG'.
If you there no objections, I will commit the patch. Catalina On Thu, Mar 18, 2010 at 8:27 PM, Albert Lee <allee8...@gmail.com> wrote: > >> It would only make sense to turn on Extra trace when Query and SQL > traces > are also turned on. > > Shouldn't we automatically enable the SQL log at the same level as Extra if > it is specified alone. > > Albert Lee. > > On Thu, Mar 18, 2010 at 10:01 PM, Catalina Wei (JIRA) <j...@apache.org > >wrote: > > > > > [ > > > https://issues.apache.org/jira/browse/OPENJPA-1585?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel > ] > > > > Catalina Wei updated OPENJPA-1585: > > ---------------------------------- > > > > Attachment: OPENJPA-1585.patch > > > > In this patch, a trace channel named 'openjpa.jdbc.Extra' is defined for > > getting additional trace information that may help users relate the SQLs > > generated to entity activities or JPQL queries. > > > > To turn on this trace, add as below: > > > > <property name="openjpa.Log" > value="Query=TRACE,SQL=TRACE,Extra=TRACE"/> > > > > It would only make sense to turn on Extra trace when Query and SQL traces > > are also turned on. > > > > > Additional trace to relate SQL pushdowns with entity action or JPQL > query > > > > ------------------------------------------------------------------------- > > > > > > Key: OPENJPA-1585 > > > URL: > https://issues.apache.org/jira/browse/OPENJPA-1585 > > > Project: OpenJPA > > > Issue Type: Improvement > > > Affects Versions: 2.0.0 > > > Reporter: Catalina Wei > > > Assignee: Catalina Wei > > > Priority: Trivial > > > Attachments: OPENJPA-1585.patch > > > > > > > > > Additional trace can help users understand and relate query or entity > > actions with SQL pushdowns: > > > 1. why SQL pushdown has JOINs that are generated, a trace dumping out > > eager relations for the generated SQL is very helpful. > > > 2. a JPQL or a simple em.find() generated caused more than one SQL > > requests. > > > 3. entity instance actions (INSERT, UPDATE, DELETE) generated SQL > > > Examples: > > > 1. JOIN is generated because of the eager relation 'entitya': > > > 4891 p1 TRACE [main] openjpa.Query - Executing query: select s from > > CascadeB s > > > 4906 p1 TRACE [main] openjpa.jdbc.Extra - Eager relations: > > [test.entities.CascadeB.entitya] > > > 5141 p1 TRACE [main] openjpa.jdbc.SQL - <t 26882784, conn 9493> > > executing prepstmnt 25862088 SELECT t0.id, t1.id, t1.name, t0.name FROM > > CascadeB t0 LEFT OUTER JOIN CascadeA t1 ON t0.ENTITYA_ID = t1.id > > > 2. flush for new instance of entity action: > > > 7250 p1 TRACE [main] openjpa.jdbc.Extra - flush: > > org.apache.openjpa.kernel.PNewState for oid=1 > > > 7250 p1 TRACE [main] openjpa.jdbc.SQL -: INSERT INTO BasicA > > (age,id,name) VALUES (?,?,?) [1,1,name1] > > > 2: loading relation 'entitya': > > > 7734 p1 TRACE [main] openjpa.jdbc.Extra - load field: 'entitya' for > > oid=1 class test.entities.BasicB > > > 7734 p1 TRACE [main] openjpa.jdbc.Extra - find: oid=1 class > > test.entities.BasicA > > > 7734 p1 TRACE [main] openjpa.jdbc.Extra - getInitializeStateResult: > > oid=1 class test.entities.BasicA > > > 7969 pdq1 TRACE [main] openjpa.jdbc.SQL - <t 26882784, conn 3125250> > > executing prepstmnt 28008463 SELECT t0.name FROM BasicA t0 WHERE t0.id = > ? > > optimize for 1 row [params=(int) 1] > > > > -- > > This message is automatically generated by JIRA. > > - > > You can reply to this email to add a comment to the issue online. > > > > > > > -- > Albert Lee. >