OPENJPA-2930 Implements UUID and GenerationType.UUID strategy #124
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* added basic support for UUID as string or uuid field, per db support * added GenerationStrategy.UUID support using UUID-4 random
* Allows usage of UUID as a basic type * Allows usage of UUID as identity type * Allows GenerationType.AUTO and GenerationType.UUID usage on String and UUID fields * Generates type 4 UUID for @GeneratedValue String and UUID fields * Storage UUID fields as binary data on supporting pair db/jdbc driver * Storage UUID fields as canonical string representation when database or jdbc driver does not support UUID binary usage. * Updates manual
solomax
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Feb 16, 2025
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As always great PR :))
Thanks a million! :)
openjpa-jdbc/src/main/java/org/apache/openjpa/jdbc/sql/DBDictionary.java
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openjpa-kernel/src/main/java/org/apache/openjpa/abstractstore/AbstractStoreManager.java
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openjpa-kernel/src/main/java/org/apache/openjpa/meta/JavaTypes.java
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...dbc/src/test/java/org/apache/openjpa/persistence/generationtype/TestUuidGeneratedEntity.java
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Added UUID support, using binary storage when the pair database-jdbc driver supports it, and string storage otherwise.
Binary storage is implemented as an DbDictionary property, defaulting to false, and true for PostgreSQL, H2 and HSQL databases.
Generated UUID value is a type 4 uuid, and storage of string representation is made, per spec, using its canonical representation.
Tested new features agains Postgresql 13 to 17, H2 1 and H2 2, current UUID capable HSQLDB and previous UUID not capable HSQLDB, MariaDB lts and latest, MySQL lts and latest. Could not test against Oracle.
Please be kind with this one. I may have missed a lot.