51.62. pg_type
The catalog pg_type
stores information about data types. Base types and enum types (scalar types) are created with CREATE TYPE, and domains with CREATE DOMAIN. A composite type is automatically created for each table in the database, to represent the row structure of the table. It is also possible to create composite types with CREATE TYPE AS
.
Table 51.62. pg_type
Columns
Table 51.63 lists the system-defined values of typcategory
. Any future additions to this list will also be upper-case ASCII letters. All other ASCII characters are reserved for user-defined categories.
Table 51.63. typcategory
Codes