general: fix models for PostgreSQL compatibility

inveniosoftware-attic / invenio-demosite

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Closed hachreak closed 9 years ago

hachreak commented 9 years ago

Fixes models to permit the database creation with PostgreSQL server. (closes inveniosoftware/invenio#2354) (closes inveniosoftware/invenio#2799) (addresses inveniosoftware/invenio#2804)

Signed-off-by: Leonardo Rossi leonardo.r@cern.ch

hachreak commented 9 years ago