SQLite

vdbe.html:	$(TOP)/www/vdbe.tcl
	tclsh $(TOP)/www/vdbe.tcl >vdbe.html

version3.html:	$(TOP)/www/version3.tcl
	tclsh $(TOP)/www/version3.tcl >version3.html

whentouse.html:	$(TOP)/www/whentouse.tcl
	tclsh $(TOP)/www/whentouse.tcl >whentouse.html


# Files to be published on the website.
#
DOC = \
  arch.html \
  arch.png \
  autoinc.html \

  quickstart.html \
  speed.html \
  sqlite.gif \
  sqlite.html \
  support.html \
  tclsqlite.html \
  vdbe.html \
  version3.html \
  whentouse.html

doc:	common.tcl $(DOC)
	mkdir -p doc
	mv $(DOC) doc

# Standard install and cleanup targets
#

proc newsitem {date title text} {
  puts "<h3>$date - $title</h3>"
  regsub -all "\n( *\n)+" $text "</p>\n\n<p>" txt
  puts "<p>$txt</p>"
  puts "<hr width=\"50%\">"
}

newsitem {2005-Jan-21} {Version 3.1.0 (alpha) Released} {
  Version 3.1.0 (alpha) is now available on the
  website.  Verison 3.1.0 is fully backwards compatible with the 3.0 series
  and features many new features including Autovacuum and correlated
  subqueries.  See the
  <a href="http://www.sqlite.org/releasenotes310.html">release notes</a>
  for details.

  This is an alpha release.  A beta release is expected in about a week
  with the first stable release to follow after two more weeks.
}

newsitem {2004-Nov-09} {SQLite at the 2004 International PHP Conference} {
  There was a talk on the architecture of SQLite and how to optimize
  SQLite queries at the 2004 International PHP Conference in Frankfurt,
  Germany.
  <a href="http://www.sqlite.org/php2004/page-001.html">
  Slides</a> from that talk are available.
}









newsitem {2004-Oct-10} {SQLite at the 11<sup><small>th</small></sup>
Annual Tcl/Tk Conference} {
  There will be a talk on the use of SQLite in Tcl/Tk at the
  11<sup><small>th</small></sup> Tcl/Tk Conference this week in
  New Orleans.  Visit <a href="http://www.tcl.tk/community/tcl2004/">
  http://www.tcl.tk/</a> for details.
  <a href="http://www.sqlite.org/tclconf2004/page-001.html">

}
  

puts {
<p align="right"><a href="oldnews.html">Old news...</a></p>
</td></tr></table>
}
footer {$Id: index.tcl,v 1.104 2005/01/21 18:19:28 drh Exp $}

#!/usr/bin/tclsh
source common.tcl
header {SQLite Older News}

proc newsitem {date title text} {
  puts "<h3>$date - $title</h3>"
  regsub -all "\n( *\n)+" $text "</p>\n\n<p>" txt
  puts "<p>$txt</p>"
  puts "<hr width=\"50%\">"
}

newsitem {2004-Oct-11} {Version 3.0.8} {
  Version 3.0.8 of SQLite contains several code optimizations and minor
  bug fixes and adds support for DEFERRED, IMMEDIATE, and EXCLUSIVE
  transactions.  This is an incremental release.  There is no reason
  to upgrade from version 3.0.7 if that version is working for you.
}

newsitem {2004-Sep-18} {Version 3.0.7} {
  Version 3.0 has now been in use by multiple projects for several
  months with no major difficulties.   We consider it stable and
  ready for production use. 
}

  changes to both the C-language API and the underlying file format
  that will enable SQLite to better support internationalization.
  The first beta is schedule for release on 2004-July-01.

  Plans are to continue to support SQLite version 2.8 with
  bug fixes.  But all new development will occur in version 3.0.
}
footer {$Id: oldnews.tcl,v 1.8 2005/01/21 18:19:29 drh Exp $}

#
# Run this script to generated a omitted.html output file
#
set rcsid {$Id: omitted.tcl,v 1.7 2005/01/21 18:19:29 drh Exp $}
source common.tcl
header {SQL Features That SQLite Does Not Implement}
puts {
<h2>SQL Features That SQLite Does Not Implement</h2>

<p>
Rather than try to list all the features of SQL92 that SQLite does

}

feature {CHECK constraints} {
  CHECK constraints are parsed but they are not enforced.
  NOT NULL and UNIQUE constraints are enforced, however.
}






feature {FOREIGN KEY constraints} {
  FOREIGN KEY constraints are parsed but are not enforced.
}

feature {Complete trigger support} {
  There is some support for triggers but it is not complete.  Missing
  subfeatures include FOR EACH STATEMENT triggers (currently all triggers
  must be FOR EACH ROW), INSTEAD OF triggers on tables (currently 
  INSTEAD OF triggers are only allowed on views), and recursive
  triggers - triggers that trigger themselves.
}

feature {ALTER TABLE} {
  To change a table you have to delete it (saving its contents to a temporary
  table) and recreate it from scratch.
  ("ALTER TABLE ... RENAME TABLE ..." was added to version 3.1.0.)
}

feature {Nested transactions} {
  The current implementation only allows a single active transaction.
}

feature {The COUNT(DISTINCT X) function} {

#
# Run this Tcl script to generate the speed.html file.
#
set rcsid {$Id: speed.tcl,v 1.16 2005/01/21 18:19:29 drh Exp $ }
source common.tcl
header {SQLite Database Speed Comparison}

puts {
<h2>Database Speed Comparison</h2>

<font color="red"><b>
Note:  This document is old.  It describes a speed comparison between
an older version of SQLite against archic versions of MySQL and PostgreSQL.
Readers are invited to contribute more up-to-date speed comparisons
on the <a href="http://www.sqlite.org/cvstrac/wiki">SQLite Wiki</a>.
<p>
The numbers here are old enough to be nearly meaningless.  Until it is
updated, use this document only as proof that SQLite is not a
sluggard.
</b></font>

<h3>Executive Summary</h3>

<p>A series of tests were run to measure the relative performance of
SQLite 2.7.6, PostgreSQL 7.1.3, and MySQL 3.23.41.
The following are general
conclusions drawn from these experiments: