Expanded class hierarchy of DatabaseSchema_pgsql in Drupal 7
- class \DatabaseSchema implements QueryPlaceholderInterface
- class \DatabaseSchema_mysql
- class \DatabaseSchema_pgsql
- class \SchemaDatabaseSchema_pgsql
- class \DatabaseSchema_sqlite
- class \DatabaseSchema_sqlsrv
- class \DatabaseSchema_sqlsrv
- class \DatabaseSchema_sqlsrv