Hi,
OpenJPA 2.0.x defines the following schema on Postgres as per the domain
model posted:
CREATE TABLE Developer (id BIGINT NOT NULL, name VARCHAR(255), PRIMARY KEY
(id))
CREATE TABLE Participation (id BIGINT NOT NULL, DEVELOPER_ID BIGINT,
PROJECT_ID BIGINT, PRIMARY KEY (id))
CREATE TABLE Project (id BIGINT NOT NULL, name VARCHAR(255), PRIMARY KEY
(id))
ALTER TABLE Participation ADD FOREIGN KEY (DEVELOPER_ID) REFERENCES
Developer (id) DEFERRABLE
ALTER TABLE Participation ADD FOREIGN KEY (PROJECT_ID) REFERENCES Project
(id) DEFERRABLE
1. Please post
a) persistence.xml for further analysis
b) output of $ java -jar /path/to/openjpa.jar
for further analysis
-----
Pinaki
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