About comparison

41-50 of 54Refresh
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How to add minutes to a Date with JPA2

date and send the result as an argument for direct comparison with the date field?   Yes, good idea
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Insertion Speed Rate and Batch Load

comparison in the JPA benchmark: http://jpab.org/Basic/Persist/Many.html So, my close to reality use
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Performance in large transactions

and requires comparison on every flush. To avoid this, we introduce now a new method, con.objectdb
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Performance Questions...

. Even though ObjectDB implements LIKE very efficiently it still might be slower than other comparison
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persisting object with long[][] arrays of array

.clear();         emg.close();         EMF.close();     } as a comparison I ran it with simple arrays
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Possible issue for JPQL "LEFT [OUTER] JOIN"

b WHERE b.id IS NULL" but it works fine with an relationship comparison: "SELECT a,b FROM A a LEFT
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Possible issue for JPQL IS EMPTY expression

Possible issue for JPQL IS EMPTY comparison expression: SELECT e FROM MyEntity e WHERE e.collection-valued IS EMPTY throws javax.persistence.PersistenceException: Invalid operand type  for operator IS EMPTY (error 756) Thanks. Note: It doesn' t work with SIZE(): SELECT e FROM MyEntity e WHERE SIZE
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Pre-detach loading: retrieval by navigation not working in if statement

? If so, in order to perform a truly scientifically clean comparison, I might be able to fine-tune
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Querys slower when execute a query after every persist

classes are not enhanced every flush or commit requires comparison of object states in order
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substring works with string but not with char

, do you agree? I am not sure that this comparison is valid, since the type of the left side expression