How to ignore creating tables if existing in Postgresql database with eclipselink?
...
<property name="eclipselink.ddl-generation" value="create-tables"/>
<property name="eclipselink.ddl-generation.output-mode" value="database"/>
<property name="eclipselink.target-database" value="POSTGRESQL"/>
...

Version : 8.4.11-0squeeze1

postgresql-8.4-703.jdbc3.jar

<property name="eclipselink.ddl-generation" value="drop-and-create-tables"/>

<property name="eclipselink.ddl-generation" value="none"/>