  referenced in subqueries (Tom Lane)
       </P
></LI
><LI
><P
>        Improve statistical estimates for subqueries using
        <TT
CLASS="LITERAL"
>DISTINCT</TT
> (Tom Lane)
       </P
></LI
></UL
></DIV
><DIV
CLASS="SECT4"
><H4
CLASS="SECT4"
><A
NAME="AEN116336"
>E.8.3.1.4. Authentication</A
></H4
><P
></P
><UL
><LI
><P
>        Do not treat role names and <TT
CLASS="LITERAL"
>samerole</TT
> specified in <A
HREF="auth-pg-hba-conf.html"
><TT
CLASS="FILENAME"
>pg_hba.conf</TT
></A
>
        as automatic