35.16. column_udt_usage #

   The view column_udt_usage identifies all columns that use data types
   owned by a currently enabled role. Note that in PostgreSQL, built-in
   data types behave like user-defined types, so they are included here as
   well. See also Section 35.17 for details.

   Table 35.14. column_udt_usage Columns

   Column Type

   Description

   udt_catalog sql_identifier

   Name of the database that the column data type (the underlying type of
   the domain, if applicable) is defined in (always the current database)

   udt_schema sql_identifier

   Name of the schema that the column data type (the underlying type of
   the domain, if applicable) is defined in

   udt_name sql_identifier

   Name of the column data type (the underlying type of the domain, if
   applicable)

   table_catalog sql_identifier

   Name of the database containing the table (always the current database)

   table_schema sql_identifier

   Name of the schema containing the table

   table_name sql_identifier

   Name of the table

   column_name sql_identifier

   Name of the column