Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.
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Does run time enhancer due to GlassFish/Payara do anything that would affect loaded compile-time entity classes ?
do anything that would affect loaded compile-time enhanced entity classes (other than just logging, typically just info
Issue with compile time enhancement
one: Post-compilation enhancement vs Automatic Run-time enhancement, where support wrote ... on the fly runtime enhancement is applied only to entity classes, where post compilation enhancement ... a reflective JSF view). The issue I reported (otherwise addressed by post-compile Ant task enhancement
execution, because it eliminates the need for repeated query compilations. Named Parameters (:name ... literal values lead to different query strings, and each query string requires its own query compilation ... query string and use a cached compiled query program, if available. Secondly, embedding strings in
attribute specifies how many compiled query programs should be cached. Cached query programs may eliminate the need to compile queries again but the queries still have to be executed, so cached
collection and the query execution time are displayed on the query window. If the query compilation
of using the criteria API is that errors can be detected earlier, during compilation
compilation fails, an error is displayed on the query form and no viewer window is opened ... classes to the database using the Explorer, first create and compile the classes externally in your IDE
here. } Because JDOException is a subclass of RuntimeException the compiler does not force a throws declaration if code ... which handling a checked exception, such as IOException, is forced by the compiler
.newQuery(Object), which uses the query language of the compiled query template object passed ... void compile() Verify the elements of the query and provide a hint to the query to prepare ... ) is a separator and is otherwise ignored. The assignment operators =, +=, etc. and pre- and post