(Changed in version 2.9.0) The behavior of scanRight has changed. The previous behavior can be reproduced with scanRight.reverse.
(Changed in version 2.9.0) transpose throws an IllegalArgumentException if collections are not uniformly sized.
LTree class for use by the PostgreSQL JDBC driver. It requires the class be a subclass of PGobject. It creates a new instance using the zero-arg constructor, and then sets the value using setValue(). This mutable method of creating an object is not very scala-like, so we supply custom apply and unapply methods.