The query below lists all columns with XML data types in PostgreSQL database.
Query
select col.table_schema,
col.table_name,
col.ordinal_position as column_id,
col.column_name,
col.data_type
from information_schema.columns col
join information_schema.tables tab on tab.table_schema = col.table_schema
and tab.table_name = col.table_name
and tab.table_type = 'BASE TABLE'
where col.table_schema not in ('information_schema', 'pg_catalog')
and col.data_type = 'xml'
order by col.table_schema,
col.table_name,
col.ordinal_position;
Columns
- table_schema - name of the database (schema)
- table_name - name of the table
- column_id - column position in table
- column_name - name of the column
- data_type - type of data
Rows
- One row represents one column with a XML data type
- Scope of rows: all columns containing XML data types in the database
- Ordered by schema name, table name and column position in table