Here is a list of all functions with links to the classes they belong to:

### - u -

- undefined_column() : pqxx::undefined_column
- undefined_function() : pqxx::undefined_function
- undefined_table() : pqxx::undefined_table
- underflow() : pqxx::field_streambuf< CHAR, TRAITS >, pqxx::largeobject_streambuf< CHAR, TRAITS >
- unesc_bin() : pqxx::connection, pqxx::transaction_base
- unesc_raw() : pqxx::connection, pqxx::transaction_base
- unexpected_null() : pqxx::unexpected_null
- unexpected_rows() : pqxx::unexpected_rows
- unique_violation() : pqxx::unique_violation
- unprepare() : pqxx::connection
- unregister_me() : pqxx::transaction_focus
- upper_bound() : pqxx::range< TYPE >
- usage_error() : pqxx::usage_error
- username() : pqxx::connection