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java Programming Glossary: joinsHibernate CollectionOfElements EAGER fetch duplicates elements http://stackoverflow.com/questions/1093153/hibernate-collectionofelements-eager-fetch-duplicates-elements between eager and lazy. I think it has to do with the joins that hibernate creates underneath but I can't find a definite.. eager fetching in the mapping it's better to specify eager joins in appropriate queries unless you're 100 sure that under any.. you're getting duplicates is because Hibernate internally joins your root and collection tables. Note that they really are duplicates..
Making a OneToOne-relation lazy http://stackoverflow.com/questions/1444227/making-a-onetoone-relation-lazy SQL being executed I noticed that there were over 80 joins in the query. Further inspecting the issue I noticed that the.. I have to agree with CPerkins however if you have 80 joins due to eager OneToOne associations you've got bigger problems..
Java 8 Iterable.forEach() vs foreach loop http://stackoverflow.com/questions/16635398/java-8-iterable-foreach-vs-foreach-loop Which of the following is better practice in Java 8 Java8 joins.forEach join mIrc.join mSession join Java7 for String join joins.. join mIrc.join mSession join Java7 for String join joins mIrc.join mSession join I have lots of for loops that could.. loop to be executed in parallel you could simply write joins.parallel .forEach join mIrc.join mSession join in the first..
Hibernate Criteria returns children multiple times with FetchType.EAGER http://stackoverflow.com/questions/1995080/hibernate-criteria-returns-children-multiple-times-with-fetchtype-eager SQL. If you do not fully understand and comprehend outer joins in SQL do not continue reading this FAQ item but consult a SQL..
How do I calculate a good hash code for a list of strings? http://stackoverflow.com/questions/2730865/how-do-i-calculate-a-good-hash-code-for-a-list-of-strings in a query without the performance hit of doing lots of joins. So I am thinking of storing a hash code of all these strings.. in the main table and including it in our index so the joins are only processed by the database when the hash code matches...
How to get distinct results in hibernate with joins and row-based limiting (paging)? http://stackoverflow.com/questions/300491/how-to-get-distinct-results-in-hibernate-with-joins-and-row-based-limiting-pagi to get distinct results in hibernate with joins and row based limiting paging I'm trying to implement paging.. setMaxResults 10 on a Hibernate Criteria query that has joins to other tables. Understandably data is getting cut off randomly.. How can I convert my existing criteria query which has joins using createAlias to use a nested select instead java hibernate..
Doing a join over 2 tables in different databases using Hibernate http://stackoverflow.com/questions/3552330/doing-a-join-over-2-tables-in-different-databases-using-hibernate this in one special case. If you'll need to do different joins between these two databases then I would go for a more permanent..
Split and join back a binary file in java http://stackoverflow.com/questions/4431945/split-and-join-back-a-binary-file-in-java to be working in the sense that it divides the file and joins the chunks the file I get back is of the same size as original...
http://stackoverflow.com/questions/463349/jpa-eager-fetch-does-not-join here I now have to hand code every query so that it left joins the many to one relationships. I'm using Hibernate's JPA implementation..
Hibernate criteria: Joining table without a mapped association http://stackoverflow.com/questions/720502/hibernate-criteria-joining-table-without-a-mapped-association criteria api to formulate a particular query that joins two entities. Let's say I have two entities Pet and Owner with..
ForkJoinPool seems to waste a thread http://stackoverflow.com/questions/9677506/forkjoinpool-seems-to-waste-a-thread first in the list. The first task it runs itself. Then it joins other tasks. It's thread is not released in any way to the pool...
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