The view column_udt_usage identifies all columns that use data types owned by the current user. Note that in PostgreSQL, built-in data types behave like user-defined types, so they are included here as well. See also Section 31.9 for details.
Table 31-6. 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 |