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 32.12 for details.
Table 32-9. column_udt_usage Columns
| Name | Data 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 |
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