Connection.isRegistered

Is the given statement registered on this connection as a prepared statement?

  1. bool isRegistered(SafePrepared prepared)
  2. bool isRegistered(UnsafePrepared prepared)
  3. bool isRegistered(const(char[]) sql)
  4. bool isRegistered(Nullable!PreparedServerInfo info)
    class Connection
    package @safe
    bool
    isRegistered

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