Change mapping defaults to assume foreign keys exist for relationships by
default
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Key: OPENJPA-435
URL: https://issues.apache.org/jira/browse/OPENJPA-435
Project: OpenJPA
Issue Type: Improvement
Components: sql
Affects Versions: 1.0.0, 0.9.7, 0.9.6, 0.9.0, 1.0.1, 1.0.2, 1.1.0
Reporter: Patrick Linskey
Fix For: 1.1.0
OpenJPA's current defaults assume that no foreign keys exist. This leads to
potentially more optimal SQL ordering, but often also leads to FK constraint
violations when obvious FKs exist but are not declared. We should change this
default to be more user-friendly, and add a note to our optimization guide as
appropriate if there are actions users should take to optimize.
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