[schema/optimization] Wrap rql expressions into EXISTS node when checking individual permissions
Some RQL expression may retrieve several results. It makes sense to wrap them
into an EXISTS node to optimized things a bit. This is already done by security
insertion of 'read' rql expressions.
Document: cubicweb-docTitle: CubicWeb DocumentationAuthor: LogilabAbstract: Some base documentation for CubicWeb users and developpersSection: Apps/ProgrammingFormat: HTMLIndex: /usr/share/doc/python-cubicweb-documentation/html/index.htmlFiles: /usr/share/doc/python-cubicweb-documentation/html/*