<blockquote type="CITE"><pre>
<font color="#000000">Actually ... I take that back. I was thinking of the original purpose</font>
<font color="#000000">of preload_libraries, which was strictly performance optimization.</font>
<font color="#000000">But in the new world of plugins there may be functional reasons for</font>
<font color="#000000">wanting libraries to be loaded into backends --- and</font>
<font color="#000000">shared_preload_libraries is not isomorphic to local_preload_libraries.</font>
<font color="#000000">The permissions situation is different.</font>
</pre></blockquote><br /> And, shared_preload_libraries is processed (in the postmaster) before the shared-memory
segmentis created, so a shared_preload_library can call RequestAddinShmemSpace() and RequestAddinLWLocks(), but a
local_preload_librarycannot.<br /><br /><br /> -- Korry