Update the version number and change comments in preparation for the
release of 3.3.14. (CVS 3789) FossilOrigin-Name: d9f6fdb72b29354921e6de40df5ed4f86b158a01
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drh
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16
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@ -1,9 +1,9 @@
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C Fix\ssome\swarnings\sabout\sunused\sand\suninitialized\svariables.\s(CVS\s3788)
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D 2007-04-01T23:49:52
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C Update\sthe\sversion\snumber\sand\schange\scomments\sin\spreparation\sfor\sthe\nrelease\sof\s3.3.14.\s(CVS\s3789)
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D 2007-04-02T00:53:19
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F Makefile.in 2f2c3bf69faf0ae7b8e8af4f94f1986849034530
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F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
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F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
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F VERSION e31cc83750f9f93f8c53236f6618cb876fdd9d1a
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F VERSION ebbd5a08dc4d7f984b7e0f2dd3d5d78001119117
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F aclocal.m4 d20ba55930a05197b484809fba1d2b603f4e67a6
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F addopcodes.awk 701697fae48376375ec8532c3d04e910cfeef352
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F art/2005osaward.gif 0d1851b2a7c1c9d0ccce545f3e14bca42d7fd248
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@ -404,7 +404,7 @@ F www/autoinc.tcl b357f5ba954b046ee35392ce0f884a2fcfcdea06
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F www/c_interface.tcl b51b08591554c16a0c3ef718364a508ac25abc7e
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F www/capi3.tcl 7a7cc225fe02eb7ab861a6019b08baa0014409e1
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F www/capi3ref.tcl 24fc13e145bdc07a77051d944534a97a957267ab
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F www/changes.tcl dba0e1f40192f79c7a887fa3efa56e6fdd54f85a
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F www/changes.tcl 7f1a3f6fbb7cc2bd0bf49af0bcbb02a316700a79
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F www/common.tcl 2b793e5c31486c8a01dd27dc0a631ad93704438e
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F www/compile.tcl 276546d7eb445add5a867193bbd80f6919a6b084
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F www/conflict.tcl cdd0f4b59b0ba6d61f67e6a38f3ae45853bacb30
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@ -435,7 +435,7 @@ F www/opcode.tcl 5bd68059416b223515a680d410a9f7cb6736485f
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F www/optimizer.tcl d6812a10269bd0d7c488987aac0ad5036cace9dc
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F www/optimizing.tcl f0b2538988d1bbad16cbfe63ec6e8f48c9eb04e5
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F www/optoverview.tcl 815df406a38c9f69b27d37e8f7ede004c6d9f19e
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F www/pragma.tcl 45dc06f5b92834bc835b394ae186719fe921d6e8
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F www/pragma.tcl efbd34cedda8235e236840e1a2bc09e1d4ac39c5
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F www/quickstart.tcl 8708a4ca83fbf55c66af1782992626f20c3df095
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F www/shared.gif 265bae80c5b311c5a86e47662821076ffaf5c6ea
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F www/sharedcache.tcl 3ebec81110e606af6fd65a3c4c19562cb173b29c
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@ -447,7 +447,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
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F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
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F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
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F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
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P ddfc3b2df0b37be66fc55bb216cdcb6ba67aa7fd
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R 6aaccc938ac434f31b7ba1499b082549
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P 18aec1ddfb08b74f0ef9cf1215eac7af71449db3
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R 1ba2c076c76000f21aa292bb0a8f72c4
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U drh
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Z 1690edfe26c670d8db633c5c98f82e61
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Z ab035ae84bd6530ffbee25f61451be81
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@ -1 +1 @@
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18aec1ddfb08b74f0ef9cf1215eac7af71449db3
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d9f6fdb72b29354921e6de40df5ed4f86b158a01
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@ -25,6 +25,48 @@ proc chng {date desc} {
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puts "<DD><P><UL>$desc</UL></P></DD>"
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}
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chng {2007 April 2 (3.3.14)} {
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<li>Fix a <a href="http://www.sqlite.org/cvstrac/tktview?tn=2273">bug</a>
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in 3.3.13 that could cause a segfault when the IN operator
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is used one one term of a two-column index and the right-hand side of
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the IN operator contains a NULL.</li>
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<li>Added a new OS interface method for determining the sector size
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of underlying media: sqlite3OsSectorSize().</li>
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<li>A new algorithm for statements of the form
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INSERT INTO <i>table1</i> SELECT * FROM <i>table2</i>
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is faster and reduces fragmentation. VACUUM uses statements of
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this form and thus runs faster and defragments better.</li>
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<li>Performance enhancements through reductions in disk I/O:
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<ul>
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<li>Do not read the last page of an overflow chain when
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deleting the row - just add that page to the freelist.</li>
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<li>Do not store pages being deleted in the
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rollback journal.</li>
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<li>Do not read in the (meaningless) content of
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pages extracted from the freelist.</li>
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<li>Do not flush the page cache (and thus avoiding
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a cache refill) unless another process changes the underlying
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database file.</li>
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<li>Truncate rather than delete the rollback journal when committing
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a transaction in exclusive access mode, or when committing the TEMP
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database.</li>
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</ul></li>
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<li>Added support for exclusive access mode using
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<a href="pragma.html#pragma_locking_mode">
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"PRAGMA locking_mode=EXCLUSIVE"</a></li>
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<li>Use heap space instead of stack space for large buffers in the
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pager - useful on embedded platforms with stack-space
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limitations.</li>
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<li>Add a makefile target "sqlite3.c" that builds an amalgamation containing
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the core SQLite library C code in a single file.</li>
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<li>Get the library working correctly when compiled
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with GCC option "-fstrict-aliasing".</li>
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<li>Removed the vestigal SQLITE_PROTOCOL error.</li>
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<li>Improvements to test coverage, other minor bugs fixed,
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memory leaks plugged,
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code refactored and/or recommented in places for easier reading.</li>
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}
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chng {2007 February 13 (3.3.13)} {
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<li>Add a "fragmentation" measurement in the output of sqlite3_analyzer.</li>
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<li>Add the COLLATE operator used to explicitly set the collating sequence
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@ -1,7 +1,7 @@
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#
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# Run this Tcl script to generate the pragma.html file.
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#
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set rcsid {$Id: pragma.tcl,v 1.21 2007/03/26 08:41:13 danielk1977 Exp $}
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set rcsid {$Id: pragma.tcl,v 1.22 2007/04/02 00:53:19 drh Exp $}
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source common.tcl
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header {Pragma statements supported by SQLite}
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@ -247,20 +247,38 @@ puts {
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database connection never releases file-locks. The first time the
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database is read in EXCLUSIVE mode, a shared lock is obtained and
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held. The first time the database is written, an exclusive lock is
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obtained and held.
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obtained and held.</p>
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<p>Database locks obtained by a connection in EXCLUSIVE mode may be
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released either by closing the database connection, or by setting the
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locking-mode back to NORMAL using this pragma and then accessing the
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database file (for read or write). Simply setting the locking-mode to
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NORMAL is not enough, locks not be released until the next time
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the database file is accessed.
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NORMAL is not enough - locks are not be released until the next time
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the database file is accessed.</p>
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<p>There are two reasons to set the locking-mode to EXCLUSIVE. One
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is if the application actually wants to prevent other processes from
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accessing the database file. The other is that a small number of
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filesystem operations are saved by optimizations enabled in this
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mode. This may be significant in embedded environments.
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mode. This may be significant in embedded environments.</p>
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<p>When the locking_mode pragma specifies a particular database,
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for example:</p>
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<blockquote>
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PRAGMA <b>main.</b>locking_mode=EXCLUSIVE;
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</blockquote>
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<p>Then the locking mode applies only to the named database. If no
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database name qualifier preceeds the "locking_mode" keyword then
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the locking mode is applied to all databases, including any new
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databases added by subsequent <a href="lang_attach.html">ATTACH</a>
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commands.</p>
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<p>The "temp" database (in which TEMP tables and indices are stored)
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always uses exclusive locking mode. The locking mode of temp cannot
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be changed. All other databases use the normal locking mode by default
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and are effected by this pragma.</p>
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</li>
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<a name="pragma_page_size"></a>
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