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Bruce Momjian 1998-07-03 19:30:40 +00:00
parent 3909e4d23a
commit 05f9966183
1 changed files with 34 additions and 31 deletions
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@ -69,6 +69,40 @@ returned to the client.
There are many other modules that support this basic functionality. There are many other modules that support this basic functionality.
They can be accessed by clicking on the flowchart. They can be accessed by clicking on the flowchart.
<P> <P>
<HR>
<P>
<CENTER>
<EM><BIG>
Click on an item to see more detail or
<A HREF="backend_dirs.html">click</A> to see the full index.
</BIG></EM>
<BR>
<BR>
<IMG src="flow.jpg" usemap="#flowmap" alt="flowchart">
</CENTER>
<MAP name="flowmap">
<AREA COORDS="290,10,450,50" HREF="backend_dirs.html#main">
<AREA COORDS="550,10,710,50" HREF="backend_dirs.html#bootstrap">
<AREA COORDS="290,90,450,130," HREF="backend_dirs.html#postmaster">
<AREA COORDS="550,90,710,130," HREF="backend_dirs.html#libpq">
<AREA COORDS="290,170,450,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="550,170,710,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="290,270,450,310" HREF="backend_dirs.html#parser">
<AREA COORDS="290,350,450,390" HREF="backend_dirs.html#tcop">
<AREA COORDS="290,430,450,470" HREF="backend_dirs.html#optimizer">
<AREA COORDS="290,510,450,550" HREF="backend_dirs.html#optimizer/plan">
<AREA COORDS="290,570,450,630" HREF="backend_dirs.html#executor">
<AREA COORDS="550,350,710,390" HREF="backend_dirs.html#commands">
<AREA COORDS="10,330,170,370" HREF="backend_dirs.html#access">
<AREA COORDS="10,390,170,430" HREF="backend_dirs.html#catalog">
<AREA COORDS="10,450,170,490" HREF="backend_dirs.html#utils">
<AREA COORDS="10,510,170,550" HREF="backend_dirs.html#nodes">
<AREA COORDS="10,570,170,610" HREF="backend_dirs.html#storage">
</MAP>
<BR>
<P>
<HR>
<P>
Another area of interest is the shared memory area, which contains data Another area of interest is the shared memory area, which contains data
accessable to all backends. It has table recently used data/index accessable to all backends. It has table recently used data/index
blocks, locks, backend information, and lookup tables for these blocks, locks, backend information, and lookup tables for these
@ -107,37 +141,6 @@ HREF="../../backend/storage/ipc/shmem.c">ShmemInitStruct(),</A> and
the lookups are created by the lookups are created by
<A HREF="../../backend/storage/ipc/shmem.c">ShmemInitHash().</A> <A HREF="../../backend/storage/ipc/shmem.c">ShmemInitHash().</A>
<P> <P>
<HR>
<P>
<CENTER>
<EM><BIG>
Click on an item to see more detail or
<A HREF="backend_dirs.html">click</A> to see the full index.
</BIG></EM>
<BR>
<BR>
<IMG src="flow.jpg" usemap="#flowmap" alt="flowchart">
</CENTER>
<MAP name="flowmap">
<AREA COORDS="290,10,450,50" HREF="backend_dirs.html#main">
<AREA COORDS="550,10,710,50" HREF="backend_dirs.html#bootstrap">
<AREA COORDS="290,90,450,130," HREF="backend_dirs.html#postmaster">
<AREA COORDS="550,90,710,130," HREF="backend_dirs.html#libpq">
<AREA COORDS="290,170,450,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="550,170,710,210" HREF="backend_dirs.html#tcop">
<AREA COORDS="290,270,450,310" HREF="backend_dirs.html#parser">
<AREA COORDS="290,350,450,390" HREF="backend_dirs.html#tcop">
<AREA COORDS="290,430,450,470" HREF="backend_dirs.html#optimizer">
<AREA COORDS="290,510,450,550" HREF="backend_dirs.html#optimizer/plan">
<AREA COORDS="290,570,450,630" HREF="backend_dirs.html#executor">
<AREA COORDS="550,350,710,390" HREF="backend_dirs.html#commands">
<AREA COORDS="10,330,170,370" HREF="backend_dirs.html#access">
<AREA COORDS="10,390,170,430" HREF="backend_dirs.html#catalog">
<AREA COORDS="10,450,170,490" HREF="backend_dirs.html#utils">
<AREA COORDS="10,510,170,550" HREF="backend_dirs.html#nodes">
<AREA COORDS="10,570,170,610" HREF="backend_dirs.html#storage">
</MAP>
<BR>
<HR SIZE="2" NOSHADE> <HR SIZE="2" NOSHADE>
<SMALL> <SMALL>
<ADDRESS> <ADDRESS>