Fix misspelling.

Author: bmomjian

doc/TODO

@@ -114,7 +114,7 @@ COMMANDS
 * Allow CLUSTER on all tables at once, and improve CLUSTER
 * Generate error on CREATE OPERATOR of ~~, ~ and and ~*
 * Add SIMILAR TO to allow character classes, 'pg_[a-c]%'
-* Auto-destroy sequence on DROP of table with SERIAL
+* Auto-destroy sequence on DROP of table with SERIAL(Ryan)
 * Allow LOCK TABLE tab1, tab2, tab3 so all tables locked in unison
 * Allow INSERT/UPDATE of system-generated oid value for a row
 * Allow ESCAPE '\' at the end of LIKE for ANSI compliance
@@ -135,15 +135,18 @@ CLIENTS
 MISC
 
 * Increase identifier length(NAMEDATALEN) if small performance hit
-* Allow row re-use without vacuum, maybe?(Vadim)
+* Allow row re-use without vacuum(Vadim)
+* Create a background process for each database that runs while
+  database is idle, finding superceeded rows, gathering stats and vacuuming
 * Add UNIQUE capability to non-btree indexes
 * Certain indexes will not shrink, i.e. oid indexes with many inserts
 * Restore unused oid's on backend exit if no one else has gotten oids
 * Have UPDATE/DELETE clean out indexes
 * Allow WHERE restriction on ctid
 * Allow cursors to be DECLAREd/OPENed/CLOSEed outside transactions
 * Allow PQrequestCancel() to terminate when in waiting-for-lock state
-* Transaction log, so re-do log can be on a separate disk
+* Transaction log, so re-do log can be on a separate disk by
+  logging SQL queries, or before/after row images
 * Populate backend status area and write program to dump status data
 * Make oid use unsigned int more reliably, pg_atoi()
 * Allow subqueries in target list
@@ -177,6 +180,7 @@ INDEXES
 * Allow LIMIT ability on single-table queries that have no ORDER BY to use
   a matching index
 * Improve LIMIT processing by using index to limit rows processed
+* Have optimizer take LIMIT into account when considering index scans
 
 CACHE
 
@@ -199,6 +203,11 @@ MISC
 * Create more system table indexes for faster cache lookups
 * Improve Subplan list handling
 * Allow Subplans to use efficient joins(hash, merge) with upper variable
+* use fmgr_info()/fmgr_faddr() instead of fmgr() calls in high-traffic
+  places, like GROUP BY, UNIQUE, index processing, etc.
+* improve dynamic memory allocation by introducing tuple-context memory
+  allocation
+* add pooled memory allocation where allocations are freed only as a group
 
 
 SOURCE CODE
@@ -227,6 +236,7 @@ Developers who have claimed items are:
 	* Michael is Michael Meskes <meskes@postgresql.org>
 	* Oleg is Oleg Bartunov <oleg@sai.msu.su>
 	* Peter is Peter T Mount <peter@retep.org.uk>
+	* Ryan is Ryan Bradetich <rbrad@hpb50023.boi.hp.com>
 	* Stefan Simkovics <ssimkovi@rainbow.studorg.tuwien.ac.at>
 	* Tatsuo is Tatsuo Ishii <t-ishii@sra.co.jp>
 	* Tom is Tom Lane <tgl@sss.pgh.pa.us>

src/backend/commands/variable.c

@@ -2,7 +2,7 @@
  * Routines for handling of 'SET var TO',
  *	'SHOW var' and 'RESET var' statements.
  *
- * $Id: variable.c,v 1.21 1999/06/17 15:15:48 momjian Exp $
+ * $Id: variable.c,v 1.22 1999/07/07 09:11:13 momjian Exp $
  *
  */
 
@@ -42,7 +42,7 @@ static bool show_XactIsoLevel(void);
 static bool reset_XactIsoLevel(void);
 static bool parse_XactIsoLevel(const char *);
 
-extern Cost _cpu_page_wight_;
+extern Cost _cpu_page_weight_;
 extern Cost _cpu_index_page_wight_;
 extern bool _use_geqo_;
 extern int32 _use_geqo_rels_;
@@ -246,7 +246,7 @@ parse_cost_heap(const char *value)
 	}
 
 	res = float4in((char *) value);
-	_cpu_page_wight_ = *res;
+	_cpu_page_weight_ = *res;
 
 	return TRUE;
 }
@@ -255,14 +255,14 @@ static bool
 show_cost_heap()
 {
 
-	elog(NOTICE, "COST_HEAP is %f", _cpu_page_wight_);
+	elog(NOTICE, "COST_HEAP is %f", _cpu_page_weight_);
 	return TRUE;
 }
 
 static bool
 reset_cost_heap()
 {
-	_cpu_page_wight_ = _CPU_PAGE_WEIGHT_;
+	_cpu_page_weight_ = _CPU_PAGE_WEIGHT_;
 	return TRUE;
 }
 

src/backend/optimizer/path/costsize.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.38 1999/05/25 22:41:27 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/path/costsize.c,v 1.39 1999/07/07 09:11:15 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -51,7 +51,7 @@ bool		_enable_nestloop_ = true;
 bool		_enable_mergejoin_ = true;
 bool		_enable_hashjoin_ = true;
 
-Cost		_cpu_page_wight_ = _CPU_PAGE_WEIGHT_;
+Cost		_cpu_page_weight_ = _CPU_PAGE_WEIGHT_;
 Cost		_cpu_index_page_wight_ = _CPU_INDEX_PAGE_WEIGHT_;
 
 /*
@@ -93,7 +93,7 @@ cost_seqscan(int relid, int relpages, int reltuples)
 	else
 	{
 		temp += relpages;
-		temp += _cpu_page_wight_ * reltuples;
+		temp += _cpu_page_weight_ * reltuples;
 	}
 	Assert(temp >= 0);
 	return temp;
@@ -159,7 +159,7 @@ cost_index(Oid indexid,
 	temp += _cpu_index_page_wight_ * selec * indextuples;
 
 	/* per heap tuples */
-	temp += _cpu_page_wight_ * selec * reltuples;
+	temp += _cpu_page_weight_ * selec * reltuples;
 
 	Assert(temp >= 0);
 	return temp;
@@ -213,7 +213,7 @@ cost_sort(List *pathkeys, int tuples, int width)
 	 * could be base_log(tuples, NBuffers), but we are only doing 2-way
 	 * merges
 	 */
-	temp += _cpu_page_wight_ * tuples * base_log((double) tuples, 2.0);
+	temp += _cpu_page_weight_ * tuples * base_log((double) tuples, 2.0);
 
 	Assert(temp > 0);
 
@@ -236,7 +236,7 @@ cost_result(int tuples, int width)
 	Cost		temp = 0;
 
 	temp = temp + page_size(tuples, width);
-	temp = temp + _cpu_page_wight_ * tuples;
+	temp = temp + _cpu_page_weight_ * tuples;
 	Assert(temp >= 0);
 	return temp;
 }
@@ -310,7 +310,7 @@ cost_mergejoin(Cost outercost,
 		temp += cost_sort(outersortkeys, outersize, outerwidth);
 	if (innersortkeys)			/* do we need to sort? */
 		temp += cost_sort(innersortkeys, innersize, innerwidth);
-	temp += _cpu_page_wight_ * (outersize + innersize);
+	temp += _cpu_page_weight_ * (outersize + innersize);
 
 	Assert(temp >= 0);
 
@@ -361,7 +361,7 @@ cost_hashjoin(Cost outercost,
 	temp += outercost + innercost;
 
 	/* cost of computing hash function: must do it once per tuple */
-	temp += _cpu_page_wight_ * (outersize + innersize);
+	temp += _cpu_page_weight_ * (outersize + innersize);
 
 	/* cost of main-memory hashtable */
 	temp += (innerpages < NBuffers) ? innerpages : NBuffers;