A representation of a data serializable to the PostgreSQL array binary format.

Consists of a vector of dimensions, a vector of encoded elements, a flag specifying, whether it contains any nulls, and an oid.

A width and a lower bound.

Currently the lower bound is only allowed to have a value of1.

An encoded value.Nothing if it represents aNULL.

A Postgres OID of a type.

A representation of a composite Postgres data (Record or Row).

HStore.

The four components of UUID.

Representation of the PostgreSQL Numeric encoding.

Consists of the following components:

• Point index
• Sign code
• Components