TNAME"
>PostgreSQL</SPAN
> was compiled.
        (However, <TT
CLASS="SYMBOL"
>TRACE_SORT</TT
> is currently defined by default.)
       </P
></DD
><DT
><TT
CLASS="VARNAME"
>trace_locks</TT
> (<TT
CLASS="TYPE"
>boolean</TT
>)</DT
><DD
><P
>        If on, emit information about lock usage.  Information dumped
        includes the type of lock operation, the type of lock and the unique
        identifier of the object being locked or unlocked.  Also included
        are bit masks for the lock types already gr