08:38:25,094 DEBUG SQL:104 - create table Constructor (ID int8 not null, someString varchar(255), someNumber int4, someBoolean boolean, anotherBoolean boolean, primary key (ID))
08:38:25,095 ERROR SchemaExport:425 - HHH000389: Unsuccessful: create table Constructor (ID int8 not null, someString varchar(255), someNumber int4, someBoolean boolean, anotherBoolean boolean, primary key (ID))
08:38:25,095 ERROR SchemaExport:426 - ERROR: syntax error at or near "Constructor"

Constructor seems to be a reserved keyword in postgres plus 9.2, so it is not possible to create a table out ot org.hibernate.test.hql.Constructor entity without mapping it to another name.