Reference

• Operations
  • Avoid flooding transaction logs
  • Additional tracing and diagnostics options
  • Selective physical base backup and subsequent selective recovery/restore
  • Additional operations feature
• SQL enhancements
  • Rollback options
  • Cursors with prepared statements
  • PL/pgSQL compatibility
    • transaction_rollback_scope parameter
    • JDBC properties for setting rollback scope
• Configuration parameters (GUCs)
  • Backend parameters
    • pg2q.probe_point
    • pg2q.probe_counter
    • pg2q.probe_sleep
    • pg2q.probe_action
    • pg2q.probe_backend_pid
  • server_2q_version_num and server_2q_version
  • Table-level compression control option
  • pg2q.max_tuple_field_size
  • pg2q.max_tuple_size