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Package org.datanucleus.store.rdbms.mapping.column

Package containing mappings for column (JDBC) types.

See: Description

Package org.datanucleus.store.rdbms.mapping.column Description

Package containing mappings for column (JDBC) types. These mappings will be mapped via the MappingManager to the various java type mappings in org.datanucleus.store.rdbms.mapping.java

These are column (JDBC) types, and probably most of them are atomic types mapping to atomic java types

Mappings map persistent java fields in persistable classes to columns in RDBMS tables. Mappings are also used to map "non-fields" in persistable classes to columns in RDBMS tables. A class using datastore identity does not have java fields representing primary-keys in RDBMS tables, but as said earlier a Mapping is also applied to "non-fields". Therefore, a Mapping is applied to:

In addition to the representation of columns in tables for persistable classes, column mappings are also used for representing columns in queries.

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