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Update backend flowchart HTML.
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@ -73,7 +73,8 @@ converted into <i>Lists</i> of <i>Nodes</i> to be handled by the
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optimizer and executor.</p>
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<h2><a id="rewrite" name="rewrite"></a> <a
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href="../../backend/rewrite">rewrite</a> - rule and views support</h2>
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href="../../backend/rewrite">rewrite</a> - rule and views
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support</h2>
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<h2><a id="optimizer" name="optimizer"></a> <a
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href="../../backend/optimizer">optimizer</a> - creates path and
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@ -160,28 +161,28 @@ systems</h2>
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<p>These allow uniform resource access by the backend.<br />
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<br />
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<a id="storage_buffer" name="storage_buffer"></a> <a
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<a id="storage_buffer" name="storage_buffer"></a> <a
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href="../../backend/storage/buffer">storage/buffer</a> - shared
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buffer pool manager<br />
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<a id="storage_file" name="storage_file"></a> <a
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<a id="storage_file" name="storage_file"></a> <a
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href="../../backend/storage/file">storage/file</a> - file
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manager<br />
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<a id="storage_file" name="storage_freespace"></a> <a
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<a id="storage_freespace" name="storage_freespace"></a> <a
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href="../../backend/storage/freespace">storage/freespace</a> - free
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space map<br />
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<a id="storage_ipc" name="storage_ipc"></a> <a
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<a id="storage_ipc" name="storage_ipc"></a> <a
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href="../../backend/storage/ipc">storage/ipc</a> - semaphores and
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shared memory<br />
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<a id="storage_large_object" name="storage_large_object"></a> <a
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<a id="storage_large_object" name="storage_large_object"></a> <a
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href="../../backend/storage/large_object">storage/large_object</a>
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- large objects<br />
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<a id="storage_lmgr" name="storage_lmgr"></a> <a
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<a id="storage_lmgr" name="storage_lmgr"></a> <a
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href="../../backend/storage/lmgr">storage/lmgr</a> - lock
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manager<br />
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<a id="storage_page" name="storage_page"></a> <a
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<a id="storage_page" name="storage_page"></a> <a
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href="../../backend/storage/page">storage/page</a> - page
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manager<br />
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<a id="storage_smgr" name="storage_smgr"></a> <a
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<a id="storage_smgr" name="storage_smgr"></a> <a
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href="../../backend/storage/smgr">storage/smgr</a> - storage/disk
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manager<br />
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<br />
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@ -194,27 +195,27 @@ methods</h2>
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<p>These control the way data is accessed in heap, indexes, and
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transactions.<br />
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<br />
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<a id="access_common" name="access_common"></a> <a
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<a id="access_common" name="access_common"></a> <a
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href="../../backend/access/common">access/common</a> - common
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access routines<br />
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<a id="access_gist" name="access_gist"></a> <a
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<a id="access_gist" name="access_gist"></a> <a
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href="../../backend/access/gist">access/gist</a> - easy-to-define
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access method system<br />
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<a id="access_hash" name="access_hash"></a> <a
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<a id="access_hash" name="access_hash"></a> <a
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href="../../backend/access/hash">access/hash</a> - hash<br />
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<a id="access_heap" name="access_heap"></a> <a
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<a id="access_heap" name="access_heap"></a> <a
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href="../../backend/access/heap">access/heap</a> - heap is use to
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store data rows<br />
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<a id="access_index" name="access_index"></a> <a
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<a id="access_index" name="access_index"></a> <a
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href="../../backend/access/index">access/index</a> - used by all
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index types<br />
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<a id="access_nbtree" name="access_nbtree"></a> <a
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<a id="access_nbtree" name="access_nbtree"></a> <a
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href="../../backend/access/nbtree">access/nbtree</a> - Lehman and
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Yao's btree management algorithm<br />
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<a id="access_rtree" name="access_rtree"></a> <a
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<a id="access_rtree" name="access_rtree"></a> <a
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href="../../backend/access/rtree">access/rtree</a> - used for
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indexing of 2-dimensional data<br />
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<a id="access_transam" name="access_transam"></a> <a
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<a id="access_transam" name="access_transam"></a> <a
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href="../../backend/access/transam">access/transam</a> -
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transaction manager (BEGIN/ABORT/COMMIT)<br />
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<br />
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@ -230,7 +231,7 @@ called nodes. <i>Nodes</i> are generic containers that have a
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usually placed in <i>Lists.</i> A <i>List</i> is container with an
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<i>elem</i> element, and a <i>next</i> field that points to the
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next <i>List.</i> These <i>List</i> structures are chained together
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in a forward linked list. In this way, a chain of <i>List</i>s can
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in a forward linked list. In this way, a chain of <i>List</i> s can
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contain an unlimited number of <i>Node</i> elements, and each
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<i>Node</i> can contain any data type. These are used extensively
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in the parser, optimizer, and executor to store requests and
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@ -283,9 +284,9 @@ maintained by the backend.</p>
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href="../../backend/utils/init">utils/init</a> - various
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initialization stuff</h3>
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<h3><a id="utils_misc" name="utils_mb"></a> <a
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href="../../backend/utils/mb">utils/mb</a> - single and
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multibyte encoding</h3>
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<h3><a id="utils_mb" name="utils_mb"></a> <a
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href="../../backend/utils/mb">utils/mb</a> - single and multibyte
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encoding</h3>
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<h3><a id="utils_misc" name="utils_misc"></a> <a
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href="../../backend/utils/misc">utils/misc</a> - miscellaneous
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@ -300,7 +301,7 @@ context. Contexts can be statement-specific, transaction-specific,
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or persistent/global. By doing this, the backend can easily free
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memory once a statement or transaction completes.</p>
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<h3><a id="utils_mmgr" name="utils_resowner"></a> <a
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<h3><a id="utils_resowner" name="utils_resowner"></a> <a
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href="../../backend/utils/resowner">utils/resowner</a> - resource
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owner tracking</h3>
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@ -337,15 +338,16 @@ library</h2>
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<p>This is used for regular expression handling in the backend,
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i.e. '~'.</p>
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<h2><a id="rewrite" name="port"></a> <a
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<h2><a id="port" name="port"></a> <a
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href="../../backend/port">port</a> - compatibility routines</h2>
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<br />
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<hr />
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<small>Maintainer: Bruce Momjian (<a
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href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>)<br />
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Last updated: Fri May 6 14:22:27 EDT 2005</small>
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<small>Maintainer: Bruce Momjian ( <a
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href="mailto:pgman@candle.pha.pa.us">pgman@candle.pha.pa.us</a>
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)<br />
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Last updated: Fri May 6 14:22:27 EDT 2005</small>
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</body>
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</html>
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