Types related to describing schema, and interactions between tables.
Most traits in this module are derived or generated by
A table appears in the from clause two or more times.
A table never appears in the from clause.
A table appears in the from clause exactly one time.
Determines how many times
Self appears in
A column on a database table. Types which implement this trait should have
been generated by the
Indicates that two tables can be joined without an explicit
Add two peano numbers together.
Represents a type which can appear in the
FROM clause. Apps should not
need to concern themselves with this trait.
A SQL database table. Types which implement this trait should have been
generated by the