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Sanne Grinovero updated HSEARCH-353:
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Summary: removing an entity and adding another with same PK (in same TX) will not add
second entity to index (was: hibernate search + indexing with transaction issue)
removing an entity and adding another with same PK (in same TX) will
not add second entity to index
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Key: HSEARCH-353
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-353
Project: Hibernate Search
Issue Type: Bug
Components: engine
Affects Versions: 3.1.0.GA
Reporter: Yan Falken
Assignee: Sanne Grinovero
Fix For: 3.1.1
Hi,
I have the following problem with indexing in transaction with hibernate
search: in case the transaction is opened and I want to perform multiple
work types - only one type is actually performed after the commit and the others are
ignored; example:
TransactionManager tm = new DummyTransactionManager();
tm.begin();
SEntity se1 = new SEntity(10, "first", "second", true);
Work delete = new Work(se1, "100", WorkType.DELETE);
Work add = new Work(se1, "100", WorkType.ADD);
Ctx ctx = new Ctx(tm.getTransaction());
searchFactory.getWorker().performWork(delete, ctx);
searchFactory.getWorker().performWork(add, ctx);
tm.commit();
only DELETE is performed - ADD is ignored
log:
2009-03-23 13:45:02,195 TRACE main| MaskedProperty| found a match
for key: [hibernate.search.default.indexBase] value: /tmp/c1idx
2009-03-23 13:45:02,195 TRACE main| MaskedProperty| found a match
for key: [default.indexBase] value: /tmp/c1idx
2009-03-23 13:45:02,341 DEBUG main| BuilderIndexedEntity| Field selection
in projections is set to false for entity problems.SEntity.
2009-03-23 13:45:02,502 DEBUG pool-1-thread-1| PerDPQueueProcessor| Skipping usage
of an IndexWriter for updates
2009-03-23 13:45:02,503 TRACE pool-1-thread-1| PerDPQueueProcessor| Locking
Workspace (or waiting to...)
2009-03-23 13:45:02,503 TRACE pool-1-thread-1| PerDPQueueProcessor| Workspace lock
aquired.
// opened
2009-03-23 13:45:02,503 DEBUG pool-1-thread-1| PerDPQueueProcessor| Opening an
IndexReader for update
2009-03-23 13:45:02,503 TRACE pool-1-thread-1| Workspace| IndexReader
opened
// only remove
2009-03-23 13:45:02,503 TRACE pool-1-thread-1| eleteExtWorkDelegate| Removing class
problems.SEntity#100 by id using an IndexReader.
2009-03-23 13:45:02,539 TRACE pool-1-thread-1| Workspace| IndexReader
closed
2009-03-23 13:45:02,539 TRACE pool-1-thread-1| PerDPQueueProcessor| Unlocking
Workspace
I digged into the code a little bit and there is class method:
org.hibernate.search.engine.DocumentBuilderIndexedEntity.addWorkToQueue() which is in
it's beginning iterating the existing queue to avoid unecessary duplicated works
if ( workType == WorkType.DELETE ) { //TODO add PURGE?
//DELETE should have precedence over any update before (HSEARCH-257)
//if an Add work is here, remove it
//if an other delete is here remember but still search for Add
if ( luceneWork instanceof AddLuceneWork ) {
toDelete.add( luceneWork );
}
else if ( luceneWork instanceof DeleteLuceneWork ) {
duplicateDelete = true;
}
}
else {
//we can safely say we are out, the other work is an ADD
return;
}
I believe that return should be changed to continue. I did several tests and after the
change it can handle ADD/DELETE works in one queue.
There should be ability to in single transaction perform multiple work types as there is
no way how to control the client to perform just one work type.
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