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Check-in [cc89254370]
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Overview
Comment:Adjust dates in the change log to exactly correspond to the version control check-in dates.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: cc892543703da3314d8be3584430ad08e3546619
User & Date: drh 2015-10-12 17:05:18
Context
2015-10-12
18:04
Fix typos. check-in: 63898e2980 user: drh tags: trunk
17:05
Adjust dates in the change log to exactly correspond to the version control check-in dates. check-in: cc89254370 user: drh tags: trunk
12:24
More succinct intro text on the chronology page. check-in: 6cb597fbc9 user: drh tags: trunk
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chng {2014-12-09 (3.8.7.4)} {
<li>Bug fix: Add in a mutex that was omitted from the previous release.
<li>SQLITE_SOURCE_ID: "2014-12-09 01:34:36 f66f7a17b78ba617acde90fc810107f34f1a1f2e"
<li>SHA1 for sqlite3.c: 0a56693a3c24aa3217098afab1b6fecccdedfd23
}

chng {2014-12-06 (3.8.7.3)} {
<li>Bug fix: Ensure the cached KeyInfo objects (an internal abstraction not visible to the
    application) do not go stale when operating in [shared cache mode] and frequently closing
    and reopening some database connections while leaving other database connections on the
    same shared cache open continuously.  Ticket 
    [https://www.sqlite.org/src/info/e4a18565a36884b00edf|e4a18565a36884b00edf].
<li>Bug fix: Recognize that any column in the right-hand table of a LEFT JOIN can be
    NULL even if the column has a NOT NULL constraint.  Do not apply optimizations that
................................................................................
    assume the column is never NULL.  Ticket
    [https://www.sqlite.org/src/info/6f2222d550f5b0ee7ed|6f2222d550f5b0ee7ed].

<li>SQLITE_SOURCE_ID: "2014-12-05 22:29:24 647e77e853e81a5effeb4c33477910400a67ba86"
<li>SHA1 for sqlite3.c: 3ad2f5ba3a4a3e3e51a1dac9fda9224b359f0261
}

chng {2014-11-19 (3.8.7.2)} {
<li>Enhance the [ROLLBACK] command so that pending queries are allowed to continue as long
    as the schema is unchanged.  Formerly, a ROLLBACK would cause all pending queries to
    fail with an [SQLITE_ABORT] or [SQLITE_ABORT_ROLLBACK] error.  That error is still returned
    if the ROLLBACK modifies the schema.
<li>Bug fix: Make sure that NULL results from OP_Column are fully and completely NULL and
    do not have the MEM_Ephem bit set.
    Ticket [http://www.sqlite.org/src/info/094d39a4c95ee4|094d39a4c95ee4].
................................................................................
    contains a LIMIT.
    Ticket [http://www.sqlite.org/src/info/db87229497|db87229497].

<li>SQLITE_SOURCE_ID: "2014-11-18 20:57:56 2ab564bf9655b7c7b97ab85cafc8a48329b27f93"
<li>SHA1 for sqlite3.c: b2a68d5783f48dba6a8cb50d8bf69b238c5ec53a
}

chng {2014-10-30 (3.8.7.1)} {
<li>In [PRAGMA journal_mode=TRUNCATE] mode, call fsync() immediately after truncating
    the journal file to ensure that the transaction is durable across a power loss.
<li>Fix an assertion fault that can occur when updating the NULL value of a field
    at the end of a table that was added using [ALTER TABLE|ALTER TABLE ADD COLUMN].
<li>Do not attempt to use the strchrnul() function from the standard C library unless
    the HAVE_STRCHRNULL compile-time option is set.
<li>Fix a couple of problems associated with running an UPDATE or DELETE on a
................................................................................
     [PRAGMA case_sensitive_like] statements compiled using sqlite3_prepare()
     to fail with an [SQLITE_SCHEMA] error.
<li> SQLITE_SOURCE_ID:
    "2011-06-28 17:39:05 af0d91adf497f5f36ec3813f04235a6e195a605f"
<li> SHA1 for sqlite3.c: d47594b8a02f6cf58e91fb673e96cb1b397aace0
}

chng {2011-06-24 (3.7.7)} {
<li> Add support for [URI filenames]
<li> Add the [sqlite3_vtab_config()] interface in
     support of [ON CONFLICT] clauses with [virtual tables].
<li> Add the [xSavepoint], [xRelease] and [xRollbackTo] methods in
     [virtual tables] in support of [SAVEPOINT] for virtual tables.
<li> Update the built-in [FTS3|FTS3/FTS4] and [RTREE] virtual tables to support
     [ON CONFLICT] clauses and [REPLACE].
................................................................................
     POSIX.  Without this fix, pthreads does not work correctly on NetBSD.
<li> SQLITE_SOURCE_ID:
     "2011-04-17 17:25:17 154ddbc17120be2915eb03edc52af1225eb7cb5e"
<li> SHA1 for sqlite3.c: 806577fd524dd5f3bfd8d4d27392ed2752bc9701

}

chng {2011-04-14 (3.7.6.1)} {
<li> Fix a bug in 3.7.6 that only appears if the [SQLITE_FCNTL_SIZE_HINT]
     file control is used with a build of SQLite that makes use of the
     HAVE_POSIX_FALLOCATE compile-time option and which has
     SQLITE_ENABLE_LOCKING_MODE turned off.
<li> SQLITE_SOURCE_ID:
     "2011-04-13 14:40:25 a35e83eac7b185f4d363d7fa51677f2fdfa27695"
<li> SHA1 for sqlite3.c: b81bfa27d3e09caf3251475863b1ce6dd9f6ab66
................................................................................
     operation code.
<li> The SQLite core invokes the [SQLITE_FCNTL_SYNC_OMITTED] 
     [sqlite3_file_control | file control]
     to the VFS in place of a call to xSync if the database has
     [PRAGMA synchronous] set to OFF.
}

chng {2010-12-08 (3.7.4)} {
<li> Added the [sqlite3_blob_reopen()] interface to allow an existing
     [sqlite3_blob] object to be rebound to a new row.
<li> Use the new [sqlite3_blob_reopen()] interface to improve the performance
     of FTS.
<li> [sqlite3_vfs | VFSes] that do not support shared memory are allowed
     to access [WAL] databases if [PRAGMA locking_mode] is set to EXCLUSIVE.
<li> Enhancements to [EXPLAIN QUERY PLAN].
................................................................................
     and version 3.6.23.1 alternately write to the same database file.
     <a href="http://www.sqlite.org/src/info/51ae9cad317a1">
     Ticket &#91;51ae9cad317a1&#93;</a>
<li> Fix a performance regression related to the query planner enhancements
     of version 3.7.0.
}

chng {2010-07-22 (3.7.0)} {
<li> Added support for [WAL | write-ahead logging].
<li> Query planner enhancement - automatic transient indices are created
     when doing so reduces the estimated query time.
<li> Query planner enhancement - the ORDER BY becomes a no-op if the query
     also contains a GROUP BY clause that forces the correct output order.
<li> Add the [SQLITE_DBSTATUS_CACHE_USED] verb for [sqlite3_db_status()].
<li> The logical database size is now stored in the database header so that
     bytes can be appended to the end of the database file without corrupting
     it and so that SQLite will work correctly on systems that lack support
     for ftruncate().
}

chng {2010-03-30 (3.6.23.1)} {
<li> Fix a bug in the offsets() function of [FTS3]
<li> Fix a missing "sync" that when omitted could lead to database
     corruption if a power failure or OS crash occurred just as a
     ROLLBACK operation was finishing.
}

chng {2010-03-09 (3.6.23)} {
................................................................................
chng {2006-01-16 (3.3.1 alpha)} {
<li>Countless bug fixes</li>
<li>Speed improvements</li>
<li>Database connections can now be used by multiple threads, not just
the thread in which they were created.</li>
}

chng {2006-01-10 (3.3.0 alpha)} {
<li>CHECK constraints</li>
<li>IF EXISTS and IF NOT EXISTS clauses on CREATE/DROP TABLE/INDEX.</li>
<li>DESC indices</li>
<li>More efficient encoding of boolean values resulting in smaller database
files</li>
<li>More aggressive [SQLITE_OMIT_FLOATING_POINT]</li>
<li>Separate INTEGER and REAL affinity</li>
................................................................................
<li>Use indices to help with GLOB expressions and LIKE expressions too
when the case_sensitive_like pragma is enabled</li>
<li>Added support for grave-accent quoting for compatibility with MySQL</li>
<li>Improved test coverage</li>
<li>Dozens of minor bug fixes</li>
}

chng {2005-06-13 (3.2.2)} {
<li>Added the sqlite3_db_handle() API</li>
<li>Added the sqlite3_get_autocommit() API</li>
<li>Added a REGEXP operator to the parser.  There is no function to back
up this operator in the standard build but users can add their own using
sqlite3_create_function()</li>
<li>Speed improvements and library footprint reductions.</li>
<li>Fix byte alignment problems on 64-bit architectures.</li>
................................................................................
chng {2005-03-21 (3.2.0)} {
<li>Added support for ALTER TABLE ADD COLUMN.</li>
<li>Added support for the "T" separator in ISO-8601 date/time strings.</li>
<li>Improved support for Cygwin.</li>
<li>Numerous bug fixes and documentation updates.</li>
}

chng {2005-03-16 (3.1.6)} {
<li>Fix a bug that could cause database corruption when inserting
    record into tables with around 125 columns.</li>
<li>sqlite3_step() is now much more likely to invoke the busy handler
    and less likely to return SQLITE_BUSY.</li>
<li>Fix memory leaks that used to occur after a malloc() failure.</li>
}

chng {2005-03-11 (3.1.5)} {
<li>The ioctl on Mac OS X to control syncing to disk is F_FULLFSYNC,
    not F_FULLSYNC.  The previous release had it wrong.</li>
}

chng {2005-03-10 (3.1.4)} {
<li>Fix a bug in autovacuum that could cause database corruption if
a CREATE UNIQUE INDEX fails because of a constraint violation.
This problem only occurs if the new autovacuum feature introduced in
version 3.1 is turned on.</li>
<li>The F_FULLSYNC ioctl (currently only supported on Mac OS X) is disabled
if the synchronous pragma is set to something other than "full".</li>
<li>Add additional forward compatibility to the future version 3.2 database 
................................................................................
    and reduce the library footprint.</li>
<li>The REINDEX command was added.</li>
<li>The engine no longer consults the main table if it can get
    all the information it needs from an index.</li>
<li>Many nuisance bugs fixed.</li>
}

chng {2004-10-11 (3.0.8)} {
<li>Add support for DEFERRED, IMMEDIATE, and EXCLUSIVE transactions.</li>
<li>Allow new user-defined functions to be created when there are
already one or more precompiled SQL statements.<li>
<li>Fix portability problems for MinGW/MSYS.</li>
<li>Fix a byte alignment problem on 64-bit Sparc machines.</li>
<li>Fix the ".import" command of the shell so that it ignores \r
characters at the end of lines.</li>
................................................................................
<li>Add the ability to specify an alternative temporary file directory
    using the "sqlite_temp_directory" global variable.</li>
<li>A compile-time option (SQLITE_BUSY_RESERVED_LOCK) causes the busy
    handler to be called when there is contention for a RESERVED lock.</li>
<li>Various bug fixes and optimizations</li>
}

chng {2004-08-08 (3.0.4 beta)} {
<li>CREATE TABLE and DROP TABLE now work correctly as prepared statements.</li>
<li>Fix a bug in VACUUM and UNIQUE indices.</li>
<li>Add the ".import" command to the command-line shell.</li>
<li>Fix a bug that could cause index corruption when an attempt to
    delete rows of a table is blocked by a pending query.</li>
<li>Library size optimizations.</li>
<li>Other minor bug fixes.</li>
................................................................................
}

chng {2004-01-14 (2.8.11)} {
<li>Fix a bug in how the IN operator handles NULLs in subqueries.  The bug
    was introduced by the previous release.</li>
}

chng {2004-01-13 (2.8.10)} {
<li>Fix a potential database corruption problem on Unix caused by the fact
    that all POSIX advisory locks are cleared whenever you close() a file.
    The work around it to embargo all close() calls while locks are 
    outstanding.</li>
<li>Performance enhancements on some corner cases of COUNT(*).</li>
<li>Make sure the in-memory backend response sanely if malloc() fails.</li>
<li>Allow sqlite_exec() to be called from within user-defined SQL
    functions.</li>
<li>Improved accuracy of floating-point conversions using "long double".</li>
<li>Bug fixes in the experimental date/time functions.</li>
}

chng {2004-01-05 (2.8.9)} {
<li>Fix a 32-bit integer overflow problem that could result in corrupt
    indices in a database if large negative numbers (less than -2147483648)
    were inserted into an indexed numeric column.</li>
<li>Fix a locking problem on multi-threaded Linux implementations.</li>
<li>Always use "." instead of "," as the decimal point even if the locale
    requests ",".</li>
<li>Added UTC to localtime conversions to the experimental date/time
    functions.</li>
<li>Bug fixes to date/time functions.</li>
}

chng {2003-12-17 (2.8.8)} {
<li>Fix a critical bug introduced into 2.8.0 which could cause
    database corruption.</li>
<li>Fix a problem with 3-way joins that do not use indices</li>
<li>The VACUUM command now works with the non-callback API</li>
<li>Improvements to the "PRAGMA integrity_check" command</li>
}

................................................................................
<li>Documentation updates and typo fixes</li>
<li>Added experimental sqlite_progress_handler() callback API</li>
<li>Removed support for the Oracle8 outer join syntax.</li>
<li>Allow GLOB and LIKE operators to work as functions.</li>
<li>Other minor documentation and makefile changes and bug fixes.</li>
}

chng {2003-08-21 (2.8.6)} {
<li>Moved the CVS repository to www.sqlite.org</li>
<li>Update the NULL-handling documentation.</li>
<li>Experimental date/time functions added.</li>
<li>Bug fix: correctly evaluate a view of a view without segfaulting.</li>
<li>Bug fix: prevent database corruption if you dropped a
    trigger that had the same name as a table.</li>
<li>Bug fix: allow a VACUUM (without segfaulting) on an empty
................................................................................
}

chng {2003-05-17 (2.8.2)} {
<li>Fix a problem that will corrupt the database file if you drop a
    table from the main database that has a TEMP index.</li>
}

chng {2003-05-16 (2.8.1)} {
<li>Reactivated the VACUUM command that reclaims unused disk space in 
    a database file.</li>
<li>Added the ATTACH and DETACH commands to allow interacting with multiple
    database files at the same time.</li>
<li>Added support for TEMP triggers and indices.</li>
<li>Added support for in-memory databases.</li>
<li>Removed the experimental sqlite_open_aux_file().  Its function is
................................................................................
    not been written - see the source code comments for instructions on
    how to use this function.</li>
<li>Fix a bug in the GLOB operator that was preventing it from working
    with upper-case letters.</li>
<li>Various minor bug fixes.</li>
}

chng {2002-12-27 (2.7.5)} {
<li>Fix an uninitialized variable in pager.c which could (with a probability
    of about 1 in 4 billion) result in a corrupted database.</li>
}

chng {2002-12-17 (2.7.4)} {
<li>Database files can now grow to be up to 2&#94;41 bytes.  The old limit
    was 2&#94;31 bytes.</li>
................................................................................
<li>The full pathname of the database file is now remembered even if
    a relative path is passed into sqlite_open().  This allows 
    the library to continue operating correctly after a chdir().</li>
<li>Speed improvements in the VDBE.</li>
<li>Lots of little bug fixes.</li>
}

chng {2002-10-30 (2.7.3)} {
<li>Various compiler compatibility fixes.</li>
<li>Fix a bug in the "expr IN ()" operator.</li>
<li>Accept column names in parentheses.</li>
<li>Fix a problem with string memory management in the VDBE</li>
<li>Fix a bug in the "table_info" pragma"</li>
<li>Export the sqlite_function_type() API function in the Windows DLL</li>
<li>Fix locking behavior under Windows</li>
................................................................................
    numeric order.</li>
<li>Allow multiple simultaneous readers under Windows by simulating
    the reader/writers locks that are missing from Win95/98/ME.</li>
<li>An error is now returned when trying to start a transaction if
    another transaction is already active.</li>
}

chng {2002-08-12 (2.6.3)} {
<li>Add the ability to read both little-endian and big-endian databases.
    So a database created under SunOS or Mac OS X can be read and written
    under Linux or Windows and vice versa.</li>
<li>Convert to the new website: http://www.sqlite.org/</li>
<li>Allow transactions to span Linux Threads</li>
<li>Bug fix in the processing of the ORDER BY clause for GROUP BY queries</li>
}

chng {2002-07-30 (2.6.2)} {
<li>Text files read by the COPY command can now have line terminators
    of LF,  CRLF, or CR.</li>
<li>SQLITE_BUSY is handled correctly if encountered during database
    initialization.</li>
<li>Fix to UPDATE triggers on TEMP tables.</li>
<li>Documentation updates.</li>
}
................................................................................
    "ident" command and which contains the library version number.</li>
<li>Fix an assertion failure that occurred when deleting all rows of
    a table with the "count_changes" pragma turned on.</li>
<li>Better error reporting when problems occur during the automatic
    2.5.6 to 2.6.0 database format upgrade.</li>
}

chng {2002-07-17 (2.6.0)} {
<li>Change the format of indices to correct a design flaw the originated
    with version 2.1.0.  <font color="red">*** This is an incompatible
    file format change ***</font>  When version 2.6.0 or later of the
    library attempts to open a database file created by version 2.5.6 or
    earlier, it will automatically and irreversibly convert the file format.
    <b>Make backup copies of older database files before opening them with
    version 2.6.0 of the library.</b>
................................................................................
    callback.</li>
<li>Added the <b>sqlite_open_aux_file()</b> API, though it is still
    mostly undocumented and untested.</li>
<li>Added additional test cases and fixed a few bugs that those
    test cases found.</li>
}

chng {2002-06-24 (2.5.3)} {
<li>Bug fix:  Database corruption can occur due to the optimization
    that was introduced in version 2.4.0 (check-in &#91;410&#93;).  The problem
    should now be fixed.  The use of versions 2.4.0 through 2.5.2 is
    not recommended.</li>
}

chng {2002-06-24 (2.5.2)} {
<li>Added the new <b>SQLITE_TEMP_MASTER</b> table which records the schema
    for temporary tables in the same way that <b>SQLITE_MASTER</b> does for
    persistent tables.</li>
<li>Added an optimization to UNION ALL</li>
<li>Fixed a bug in the processing of LEFT OUTER JOIN</li>
<li>The LIMIT clause now works on subselects</li>
<li>ORDER BY works on subselects</li>
................................................................................
    generator.</li>
<li>Make the LIMIT clause work on subqueries.  (ORDER BY still does not
    work, though.)</li>
<li>Added the "%Q" expansion to sqlite_*_printf().</li>
<li>Bug fixes too numerous to mention (see the change log).</li>
}

chng {2002-05-09 (2.4.12)} {
<li>Added logic to detect when the library API routines are called out
    of sequence.</li>
}

chng {2002-05-08 (2.4.11)} {
<li>Bug fix: Column names in the result set were not being generated
    correctly for some (rather complex) VIEWs.  This could cause a
    segfault under certain circumstances.</li>
}

chng {2002-05-02 (2.4.10)} {
<li>Bug fix: Generate correct column headers when a compound SELECT is used
    as a subquery.</li>
<li>Added the sqlite_encode_binary() and sqlite_decode_binary() functions to
    the source tree.  But they are not yet linked into the library.</li>
<li>Documentation updates.</li>
<li>Export the sqlite_changes() function from Windows DLLs.</li>
<li>Bug fix: Do not attempt the subquery flattening optimization on queries
    that lack a FROM clause.  To do so causes a segfault.</li>
}

chng {2002-04-21 (2.4.9)} {
<li>Fix a bug that was causing the precompiled binary of SQLITE.EXE to
    report "out of memory" under Windows 98.</li>
}

chng {2002-04-20 (2.4.8)} {
<li>Make sure VIEWs are created after their corresponding TABLEs in the
    output of the <b>.dump</b> command in the shell.</li>
................................................................................
<li>Speed improvements: Do not do synchronous updates on TEMP tables.</li>
<li>Many improvements and enhancements to the shell.</li>
<li>Make the GLOB and LIKE operators functions that can be overridden
    by a programmer.  This allows, for example, the LIKE operator to
    be changed to be case sensitive.</li>
}

chng {2002-04-06 (2.4.7)} {
<li>Add the ability to put TABLE.* in the column list of a
    SELECT statement.</li>
<li>Permit SELECT statements without a FROM clause.</li>
<li>Added the <b>last_insert_rowid()</b> SQL function.</li>
<li>Do not count rows where the IGNORE conflict resolution occurs in
    the row count.</li>
<li>Make sure functions expressions in the VALUES clause of an INSERT
................................................................................
}

chng {2002-04-02 (2.4.6)} {
<li>Bug fix: Correctly handle terms in the WHERE clause of a join that
    do not contain a comparison operator.</li>
}

chng {2002-04-01 (2.4.5)} {
<li>Bug fix: Correctly handle functions that appear in the WHERE clause
    of a join.</li>
<li>When the PRAGMA vdbe_trace=ON is set, correctly print the P3 operand
    value when it is a pointer to a structure rather than a pointer to
    a string.</li>
<li>When inserting an explicit NULL into an INTEGER PRIMARY KEY, convert
    the NULL value into a unique key automatically.</li>
}

chng {2002-03-24 (2.4.4)} {
<li>Allow "VIEW" to be a column name</li>
<li>Added support for CASE expressions (patch from Dan Kennedy)</li>
<li>Added RPMS to the delivery (patches from Doug Henry)</li>
<li>Fix typos in the documentation</li>
<li>Cut over configuration management to a new CVS repository with
    its own CVSTrac bug tracking system.</li>
}

chng {2002-03-22 (2.4.3)} {
<li>Fix a bug in SELECT that occurs when a compound SELECT is used as a
    subquery in the FROM of a SELECT.</li>
<li>The <b>sqlite_get_table()</b> function now returns an error if you
    give it two or more SELECTs that return different numbers of columns.</li>
}

chng {2002-03-14 (2.4.2)} {
<li>Bug fix: Fix an assertion failure that occurred when ROWID was a column
    in a SELECT statement on a view.</li>
<li>Bug fix: Fix an uninitialized variable in the VDBE that would could an
    assert failure.</li>
<li>Make the os.h header file more robust in detecting when the compile is
    for Windows and when it is for Unix.</li>
}
................................................................................
<li>Using an unnamed subquery in a FROM clause would cause a segfault.</li>
<li>The parser now insists on seeing a semicolon or the end of input before
    executing a statement.  This avoids an accidental disaster if the
    WHERE keyword is misspelled in an UPDATE or DELETE statement.</li>
}


chng {2002-03-10 (2.4.0)} {
<li>Change the name of the sanity_check PRAGMA to <b>integrity_check</b>
    and make it available in all compiles.</li>
<li>SELECT min() or max() of an indexed column with no WHERE or GROUP BY
    clause is handled as a special case which avoids a complete table scan.</li>
<li>Automatically generated ROWIDs are now sequential.</li>
<li>Do not allow dot-commands of the command-line shell to occur in the
    middle of a real SQL command.</li>
................................................................................
    about 2.5 times faster and large DELETEs about 5 times faster.</li>
<li>Made the CACHE_SIZE pragma persistent</li>
<li>Added the SYNCHRONOUS pragma</li>
<li>Fixed a bug that was causing updates to fail inside of transactions when
    the database contained a temporary table.</li>
}

chng {2002-02-18 (2.3.3)} {
<li>Allow identifiers to be quoted in square brackets, for compatibility
    with MS-Access.</li>
<li>Added support for sub-queries in the FROM clause of a SELECT.</li>
<li>More efficient implementation of sqliteFileExists() under Windows.
    (by Joel Luscy)</li>
<li>The VALUES clause of an INSERT can now contain expressions, including
    scalar SELECT clauses.</li>
................................................................................

chng {2002-02-13 (2.3.1)} {
<li>Bug fix: An assertion was failing if "PRAGMA full_column_names=ON;" was
    set and you did a query that used a rowid, like this:  
    "SELECT rowid, * FROM ...".</li>
}

chng {2002-01-30 (2.3.0)} {
<li>Fix a serious bug in the INSERT command which was causing data to go
    into the wrong columns if the data source was a SELECT and the INSERT
    clauses specified its columns in some order other than the default.</li>
<li>Added the ability to resolve constraint conflicts is ways other than
    an abort and rollback.  See the documentation on the "ON CONFLICT"
    clause for details.</li>
<li>Temporary files are now automatically deleted by the operating system
................................................................................
chng {2002-01-16 (2.2.3)} {
<li>Fix warning messages in VC++ 7.0.  (Patches from nicolas352001)</li>
<li>Make the library thread-safe.  (The code is there and appears to work
    but has not been stressed.)</li>
<li>Added the new <b>sqlite_last_insert_rowid()</b> API function.</li>
}

chng {2002-01-13 (2.2.2)} {
<li>Bug fix: An assertion was failing when a temporary table with an index
    had the same name as a permanent table created by a separate process.</li>
<li>Bug fix: Updates to tables containing an INTEGER PRIMARY KEY and an
    index could fail.</li>
}

chng {2002-01-09 (2.2.1)} {
................................................................................
    implemented the integer primary key change of the previous bullet.</li>
<li>Added the ability to specify "*" as part of a larger column list in
    the result section of a SELECT statement.  For example:
    <nobr>"<b>SELECT rowid, * FROM table1;</b>"</nobr>.</li>
<li>Updates to comments and documentation.</li>
}

chng {2001-12-14 (2.1.7)} {
<li>Fix a bug in <b>CREATE TEMPORARY TABLE</b> which was causing the
    table to be initially allocated in the main database file instead
    of in the separate temporary file.  This bug could cause the library
    to suffer an assertion failure and it could cause "page leaks" in the
    main database file.
<li>Fix a bug in the b-tree subsystem that could sometimes cause the first
    row of a table to be repeated during a database scan.</li>
................................................................................
chng {2001-12-06 (2.1.5)} {
<li>Fix for another problem (unrelated to the one fixed in 2.1.4) 
    that sometimes causes <b>sqlite_exec()</b> to return SQLITE_PROTOCOL
    unnecessarily.  This time the bug was
    in the POSIX locking code and should not effect Windows users.</li>
}

chng {2001-12-04 (2.1.4)} {
<li>Sometimes <b>sqlite_exec()</b> would return SQLITE_PROTOCOL when it
    should have returned SQLITE_BUSY.</li>
<li>The fix to the previous bug uncovered a deadlock which was also
    fixed.</li>
<li>Add the ability to put a single .command in the second argument
    of the sqlite shell</li>
<li>Updates to the FAQ</li>
}

chng {2001-11-23 (2.1.3)} {
<li>Fix the behavior of comparison operators 
    (ex: "<b>&lt</b>", "<b>==</b>", etc.)
    so that they are consistent with the order of entries in an index.</li>
<li>Correct handling of integers in SQL expressions that are larger than
    what can be represented by the machine integer.</li>
}

chng {2001-11-22 (2.1.2)} {
<li>Changes to support 64-bit architectures.</li>
<li>Fix a bug in the locking protocol.</li>
<li>Fix a bug that could (rarely) cause the database to become 
    unreadable after a DROP TABLE due to corruption to the SQLITE_MASTER
    table.</li>
<li>Change the code so that version 2.1.1 databases that were rendered 
    unreadable by the above bug can be read by this version of
................................................................................
<li>Documentation updates</li>
<li>Simplify the design of the VDBE by restricting the number of sorters
    and lists to 1.
    In practice, no more than one sorter and one list was ever used anyhow.
    </li>
}

chng {2001-10-21 (2.0.7)} {
<li>Any UTF-8 character or ISO8859 character can be used as part of
    an identifier.</li>
<li>Patches from Christian Werner to improve ODBC compatibility and to
    fix a bug in the round() function.</li>
<li>Plug some memory leaks that use to occur if malloc() failed.
    We have been and continue to be memory leak free as long as
    malloc() works.</li>
................................................................................
chng {2001-10-19 (2.0.6)} {
<li>Added the EMPTY_RESULT_CALLBACKS pragma</li>
<li>Support for UTF-8 and ISO8859 characters in column and table names.</li>
<li>Bug fix: Compute correct table names with the FULL_COLUMN_NAMES pragma
    is turned on.</li>
}

chng {2001-10-14 (2.0.5)} {
<li>Added the COUNT_CHANGES pragma.</li>
<li>Changes to the FULL_COLUMN_NAMES pragma to help out the ODBC driver.</li>
<li>Bug fix: "SELECT count(*)" was returning NULL for empty tables.
    Now it returns 0.</li>
}

chng {2001-10-13 (2.0.4)} {
................................................................................
chng {2001-07-23 (1.0.32)} {
<li>Pager and btree subsystems removed.  These will be used in a follow-on
    SQL server library named "SQLus".</li>
<li>Add the ability to use quoted strings as table and column names in
    expressions.</li>
}

chng {2001-04-14 (1.0.31)} {
<li>Pager subsystem added but not yet used.</li>
<li>More robust handling of out-of-memory errors.</li>
<li>New tests added to the test suite.</li>
}

chng {2001-04-06 (1.0.30)} {
<li>Remove the <b>sqlite_encoding</b> TCL variable that was introduced
................................................................................
<li>Fix a bug which was causing
    the UPDATE command to fail on systems where "malloc(0)" returns
    NULL.  The problem does not appear on Windows, Linux, or HPUX but does 
    cause the library to fail on QNX.
    </li>
}

chng {2001-02-19 (1.0.23)} {
<li>An unrelated (and minor) bug from Mark Muranwski fixed.  The algorithm
    for figuring out where to put temporary files for a "memory:" database
    was not working quite right.
    </li>
}

chng {2001-02-19 (1.0.22)} {
................................................................................

chng {2000-12-10 (1.0.17)} {
<li>Rewrote <b>sqlite_complete()</b> to make it faster.</li>
<li>Minor tweaks to other code to make it run a little faster.</li>
<li>Added new tests for <b>sqlite_complete()</b> and for memory leaks.</li>
}

chng {2000-12-04 (1.0.16)} {
<li>Documentation updates.  Mostly fixing of typos and spelling errors.</li>
}

chng {2000-10-23 (1.0.15)} {
<li>Documentation updates</li>
<li>Some sanity checking code was removed from the inner loop of vdbe.c
    to help the library to run a little faster.  The code is only
................................................................................
}

chng {2000-10-19 (1.0.14)} {
<li>Added a "memory:" backend driver that stores its database in an
    in-memory hash table.</li>
}

chng {2000-10-18 (1.0.13)} {
<li>Break out the GDBM driver into a separate file in anticipation
    to added new drivers.</li>
<li>Allow the name of a database to be prefixed by the driver type.
    For now, the only driver type is "gdbm:".</li>
}

chng {2000-10-16 (1.0.12)} {
<li>Fixed an off-by-one error that was causing a coredump in 
    the '%q' format directive of the new
    <b>sqlite_..._printf()</b> routines.</li>
<li>Added the <b>sqlite_interrupt()</b> interface.</li>
<li>In the shell, <b>sqlite_interrupt()</b> is invoked when the
    user presses Control-C</li>
<li>Fixed some instances where <b>sqlite_exec()</b> was
................................................................................
}

chng {2000-10-11 (1.0.10)} {
<li>Added notes on how to compile for Windows95/98.</li>
<li>Removed a few variables that were not being used.  Etc.</li>
}

chng {2000-10-08 (1.0.9)} {
<li>Added the <b>sqlite_..._printf()</b> interface routines.</li>
<li>Modified the <b>sqlite</b> shell program to use the new interface 
    routines.</li>
<li>Modified the <b>sqlite</b> shell program to print the schema for
    the built-in SQLITE_MASTER table, if explicitly requested.</li>
}

................................................................................
chng {2000-09-21 (Not Released)} {
<li>Change the tclsqlite "eval" method to return a list of results if
    no callback script is specified.</li>
<li>Change tclsqlite.c to use the Tcl_Obj interface</li>
<li>Add tclsqlite.c to the libsqlite.a library</li>
}

chng {2000-09-13 (1.0.5)} {
<li>Changed the print format for floating point values from "%g" to "%.15g".
    </li>
<li>Changed the comparison function so that numbers in exponential notation
    (ex: 1.234e+05) sort in numerical order.</li>
}

chng {2000-08-28 (1.0.4)} {







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3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
....
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
....
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684

chng {2014-12-09 (3.8.7.4)} {
<li>Bug fix: Add in a mutex that was omitted from the previous release.
<li>SQLITE_SOURCE_ID: "2014-12-09 01:34:36 f66f7a17b78ba617acde90fc810107f34f1a1f2e"
<li>SHA1 for sqlite3.c: 0a56693a3c24aa3217098afab1b6fecccdedfd23
}

chng {2014-12-05 (3.8.7.3)} {
<li>Bug fix: Ensure the cached KeyInfo objects (an internal abstraction not visible to the
    application) do not go stale when operating in [shared cache mode] and frequently closing
    and reopening some database connections while leaving other database connections on the
    same shared cache open continuously.  Ticket 
    [https://www.sqlite.org/src/info/e4a18565a36884b00edf|e4a18565a36884b00edf].
<li>Bug fix: Recognize that any column in the right-hand table of a LEFT JOIN can be
    NULL even if the column has a NOT NULL constraint.  Do not apply optimizations that
................................................................................
    assume the column is never NULL.  Ticket
    [https://www.sqlite.org/src/info/6f2222d550f5b0ee7ed|6f2222d550f5b0ee7ed].

<li>SQLITE_SOURCE_ID: "2014-12-05 22:29:24 647e77e853e81a5effeb4c33477910400a67ba86"
<li>SHA1 for sqlite3.c: 3ad2f5ba3a4a3e3e51a1dac9fda9224b359f0261
}

chng {2014-11-18 (3.8.7.2)} {
<li>Enhance the [ROLLBACK] command so that pending queries are allowed to continue as long
    as the schema is unchanged.  Formerly, a ROLLBACK would cause all pending queries to
    fail with an [SQLITE_ABORT] or [SQLITE_ABORT_ROLLBACK] error.  That error is still returned
    if the ROLLBACK modifies the schema.
<li>Bug fix: Make sure that NULL results from OP_Column are fully and completely NULL and
    do not have the MEM_Ephem bit set.
    Ticket [http://www.sqlite.org/src/info/094d39a4c95ee4|094d39a4c95ee4].
................................................................................
    contains a LIMIT.
    Ticket [http://www.sqlite.org/src/info/db87229497|db87229497].

<li>SQLITE_SOURCE_ID: "2014-11-18 20:57:56 2ab564bf9655b7c7b97ab85cafc8a48329b27f93"
<li>SHA1 for sqlite3.c: b2a68d5783f48dba6a8cb50d8bf69b238c5ec53a
}

chng {2014-10-29 (3.8.7.1)} {
<li>In [PRAGMA journal_mode=TRUNCATE] mode, call fsync() immediately after truncating
    the journal file to ensure that the transaction is durable across a power loss.
<li>Fix an assertion fault that can occur when updating the NULL value of a field
    at the end of a table that was added using [ALTER TABLE|ALTER TABLE ADD COLUMN].
<li>Do not attempt to use the strchrnul() function from the standard C library unless
    the HAVE_STRCHRNULL compile-time option is set.
<li>Fix a couple of problems associated with running an UPDATE or DELETE on a
................................................................................
     [PRAGMA case_sensitive_like] statements compiled using sqlite3_prepare()
     to fail with an [SQLITE_SCHEMA] error.
<li> SQLITE_SOURCE_ID:
    "2011-06-28 17:39:05 af0d91adf497f5f36ec3813f04235a6e195a605f"
<li> SHA1 for sqlite3.c: d47594b8a02f6cf58e91fb673e96cb1b397aace0
}

chng {2011-06-23 (3.7.7)} {
<li> Add support for [URI filenames]
<li> Add the [sqlite3_vtab_config()] interface in
     support of [ON CONFLICT] clauses with [virtual tables].
<li> Add the [xSavepoint], [xRelease] and [xRollbackTo] methods in
     [virtual tables] in support of [SAVEPOINT] for virtual tables.
<li> Update the built-in [FTS3|FTS3/FTS4] and [RTREE] virtual tables to support
     [ON CONFLICT] clauses and [REPLACE].
................................................................................
     POSIX.  Without this fix, pthreads does not work correctly on NetBSD.
<li> SQLITE_SOURCE_ID:
     "2011-04-17 17:25:17 154ddbc17120be2915eb03edc52af1225eb7cb5e"
<li> SHA1 for sqlite3.c: 806577fd524dd5f3bfd8d4d27392ed2752bc9701

}

chng {2011-04-13 (3.7.6.1)} {
<li> Fix a bug in 3.7.6 that only appears if the [SQLITE_FCNTL_SIZE_HINT]
     file control is used with a build of SQLite that makes use of the
     HAVE_POSIX_FALLOCATE compile-time option and which has
     SQLITE_ENABLE_LOCKING_MODE turned off.
<li> SQLITE_SOURCE_ID:
     "2011-04-13 14:40:25 a35e83eac7b185f4d363d7fa51677f2fdfa27695"
<li> SHA1 for sqlite3.c: b81bfa27d3e09caf3251475863b1ce6dd9f6ab66
................................................................................
     operation code.
<li> The SQLite core invokes the [SQLITE_FCNTL_SYNC_OMITTED] 
     [sqlite3_file_control | file control]
     to the VFS in place of a call to xSync if the database has
     [PRAGMA synchronous] set to OFF.
}

chng {2010-12-07 (3.7.4)} {
<li> Added the [sqlite3_blob_reopen()] interface to allow an existing
     [sqlite3_blob] object to be rebound to a new row.
<li> Use the new [sqlite3_blob_reopen()] interface to improve the performance
     of FTS.
<li> [sqlite3_vfs | VFSes] that do not support shared memory are allowed
     to access [WAL] databases if [PRAGMA locking_mode] is set to EXCLUSIVE.
<li> Enhancements to [EXPLAIN QUERY PLAN].
................................................................................
     and version 3.6.23.1 alternately write to the same database file.
     <a href="http://www.sqlite.org/src/info/51ae9cad317a1">
     Ticket &#91;51ae9cad317a1&#93;</a>
<li> Fix a performance regression related to the query planner enhancements
     of version 3.7.0.
}

chng {2010-07-21 (3.7.0)} {
<li> Added support for [WAL | write-ahead logging].
<li> Query planner enhancement - automatic transient indices are created
     when doing so reduces the estimated query time.
<li> Query planner enhancement - the ORDER BY becomes a no-op if the query
     also contains a GROUP BY clause that forces the correct output order.
<li> Add the [SQLITE_DBSTATUS_CACHE_USED] verb for [sqlite3_db_status()].
<li> The logical database size is now stored in the database header so that
     bytes can be appended to the end of the database file without corrupting
     it and so that SQLite will work correctly on systems that lack support
     for ftruncate().
}

chng {2010-03-26 (3.6.23.1)} {
<li> Fix a bug in the offsets() function of [FTS3]
<li> Fix a missing "sync" that when omitted could lead to database
     corruption if a power failure or OS crash occurred just as a
     ROLLBACK operation was finishing.
}

chng {2010-03-09 (3.6.23)} {
................................................................................
chng {2006-01-16 (3.3.1 alpha)} {
<li>Countless bug fixes</li>
<li>Speed improvements</li>
<li>Database connections can now be used by multiple threads, not just
the thread in which they were created.</li>
}

chng {2006-01-11 (3.3.0 alpha)} {
<li>CHECK constraints</li>
<li>IF EXISTS and IF NOT EXISTS clauses on CREATE/DROP TABLE/INDEX.</li>
<li>DESC indices</li>
<li>More efficient encoding of boolean values resulting in smaller database
files</li>
<li>More aggressive [SQLITE_OMIT_FLOATING_POINT]</li>
<li>Separate INTEGER and REAL affinity</li>
................................................................................
<li>Use indices to help with GLOB expressions and LIKE expressions too
when the case_sensitive_like pragma is enabled</li>
<li>Added support for grave-accent quoting for compatibility with MySQL</li>
<li>Improved test coverage</li>
<li>Dozens of minor bug fixes</li>
}

chng {2005-06-12 (3.2.2)} {
<li>Added the sqlite3_db_handle() API</li>
<li>Added the sqlite3_get_autocommit() API</li>
<li>Added a REGEXP operator to the parser.  There is no function to back
up this operator in the standard build but users can add their own using
sqlite3_create_function()</li>
<li>Speed improvements and library footprint reductions.</li>
<li>Fix byte alignment problems on 64-bit architectures.</li>
................................................................................
chng {2005-03-21 (3.2.0)} {
<li>Added support for ALTER TABLE ADD COLUMN.</li>
<li>Added support for the "T" separator in ISO-8601 date/time strings.</li>
<li>Improved support for Cygwin.</li>
<li>Numerous bug fixes and documentation updates.</li>
}

chng {2005-03-17 (3.1.6)} {
<li>Fix a bug that could cause database corruption when inserting
    record into tables with around 125 columns.</li>
<li>sqlite3_step() is now much more likely to invoke the busy handler
    and less likely to return SQLITE_BUSY.</li>
<li>Fix memory leaks that used to occur after a malloc() failure.</li>
}

chng {2005-03-11 (3.1.5)} {
<li>The ioctl on Mac OS X to control syncing to disk is F_FULLFSYNC,
    not F_FULLSYNC.  The previous release had it wrong.</li>
}

chng {2005-03-11 (3.1.4)} {
<li>Fix a bug in autovacuum that could cause database corruption if
a CREATE UNIQUE INDEX fails because of a constraint violation.
This problem only occurs if the new autovacuum feature introduced in
version 3.1 is turned on.</li>
<li>The F_FULLSYNC ioctl (currently only supported on Mac OS X) is disabled
if the synchronous pragma is set to something other than "full".</li>
<li>Add additional forward compatibility to the future version 3.2 database 
................................................................................
    and reduce the library footprint.</li>
<li>The REINDEX command was added.</li>
<li>The engine no longer consults the main table if it can get
    all the information it needs from an index.</li>
<li>Many nuisance bugs fixed.</li>
}

chng {2004-10-12 (3.0.8)} {
<li>Add support for DEFERRED, IMMEDIATE, and EXCLUSIVE transactions.</li>
<li>Allow new user-defined functions to be created when there are
already one or more precompiled SQL statements.<li>
<li>Fix portability problems for MinGW/MSYS.</li>
<li>Fix a byte alignment problem on 64-bit Sparc machines.</li>
<li>Fix the ".import" command of the shell so that it ignores \r
characters at the end of lines.</li>
................................................................................
<li>Add the ability to specify an alternative temporary file directory
    using the "sqlite_temp_directory" global variable.</li>
<li>A compile-time option (SQLITE_BUSY_RESERVED_LOCK) causes the busy
    handler to be called when there is contention for a RESERVED lock.</li>
<li>Various bug fixes and optimizations</li>
}

chng {2004-08-09 (3.0.4 beta)} {
<li>CREATE TABLE and DROP TABLE now work correctly as prepared statements.</li>
<li>Fix a bug in VACUUM and UNIQUE indices.</li>
<li>Add the ".import" command to the command-line shell.</li>
<li>Fix a bug that could cause index corruption when an attempt to
    delete rows of a table is blocked by a pending query.</li>
<li>Library size optimizations.</li>
<li>Other minor bug fixes.</li>
................................................................................
}

chng {2004-01-14 (2.8.11)} {
<li>Fix a bug in how the IN operator handles NULLs in subqueries.  The bug
    was introduced by the previous release.</li>
}

chng {2004-01-14 (2.8.10)} {
<li>Fix a potential database corruption problem on Unix caused by the fact
    that all POSIX advisory locks are cleared whenever you close() a file.
    The work around it to embargo all close() calls while locks are 
    outstanding.</li>
<li>Performance enhancements on some corner cases of COUNT(*).</li>
<li>Make sure the in-memory backend response sanely if malloc() fails.</li>
<li>Allow sqlite_exec() to be called from within user-defined SQL
    functions.</li>
<li>Improved accuracy of floating-point conversions using "long double".</li>
<li>Bug fixes in the experimental date/time functions.</li>
}

chng {2004-01-06 (2.8.9)} {
<li>Fix a 32-bit integer overflow problem that could result in corrupt
    indices in a database if large negative numbers (less than -2147483648)
    were inserted into an indexed numeric column.</li>
<li>Fix a locking problem on multi-threaded Linux implementations.</li>
<li>Always use "." instead of "," as the decimal point even if the locale
    requests ",".</li>
<li>Added UTC to localtime conversions to the experimental date/time
    functions.</li>
<li>Bug fixes to date/time functions.</li>
}

chng {2003-12-18 (2.8.8)} {
<li>Fix a critical bug introduced into 2.8.0 which could cause
    database corruption.</li>
<li>Fix a problem with 3-way joins that do not use indices</li>
<li>The VACUUM command now works with the non-callback API</li>
<li>Improvements to the "PRAGMA integrity_check" command</li>
}

................................................................................
<li>Documentation updates and typo fixes</li>
<li>Added experimental sqlite_progress_handler() callback API</li>
<li>Removed support for the Oracle8 outer join syntax.</li>
<li>Allow GLOB and LIKE operators to work as functions.</li>
<li>Other minor documentation and makefile changes and bug fixes.</li>
}

chng {2003-08-22 (2.8.6)} {
<li>Moved the CVS repository to www.sqlite.org</li>
<li>Update the NULL-handling documentation.</li>
<li>Experimental date/time functions added.</li>
<li>Bug fix: correctly evaluate a view of a view without segfaulting.</li>
<li>Bug fix: prevent database corruption if you dropped a
    trigger that had the same name as a table.</li>
<li>Bug fix: allow a VACUUM (without segfaulting) on an empty
................................................................................
}

chng {2003-05-17 (2.8.2)} {
<li>Fix a problem that will corrupt the database file if you drop a
    table from the main database that has a TEMP index.</li>
}

chng {2003-05-17 (2.8.1)} {
<li>Reactivated the VACUUM command that reclaims unused disk space in 
    a database file.</li>
<li>Added the ATTACH and DETACH commands to allow interacting with multiple
    database files at the same time.</li>
<li>Added support for TEMP triggers and indices.</li>
<li>Added support for in-memory databases.</li>
<li>Removed the experimental sqlite_open_aux_file().  Its function is
................................................................................
    not been written - see the source code comments for instructions on
    how to use this function.</li>
<li>Fix a bug in the GLOB operator that was preventing it from working
    with upper-case letters.</li>
<li>Various minor bug fixes.</li>
}

chng {2002-12-28 (2.7.5)} {
<li>Fix an uninitialized variable in pager.c which could (with a probability
    of about 1 in 4 billion) result in a corrupted database.</li>
}

chng {2002-12-17 (2.7.4)} {
<li>Database files can now grow to be up to 2&#94;41 bytes.  The old limit
    was 2&#94;31 bytes.</li>
................................................................................
<li>The full pathname of the database file is now remembered even if
    a relative path is passed into sqlite_open().  This allows 
    the library to continue operating correctly after a chdir().</li>
<li>Speed improvements in the VDBE.</li>
<li>Lots of little bug fixes.</li>
}

chng {2002-10-31 (2.7.3)} {
<li>Various compiler compatibility fixes.</li>
<li>Fix a bug in the "expr IN ()" operator.</li>
<li>Accept column names in parentheses.</li>
<li>Fix a problem with string memory management in the VDBE</li>
<li>Fix a bug in the "table_info" pragma"</li>
<li>Export the sqlite_function_type() API function in the Windows DLL</li>
<li>Fix locking behavior under Windows</li>
................................................................................
    numeric order.</li>
<li>Allow multiple simultaneous readers under Windows by simulating
    the reader/writers locks that are missing from Win95/98/ME.</li>
<li>An error is now returned when trying to start a transaction if
    another transaction is already active.</li>
}

chng {2002-08-13 (2.6.3)} {
<li>Add the ability to read both little-endian and big-endian databases.
    So a database created under SunOS or Mac OS X can be read and written
    under Linux or Windows and vice versa.</li>
<li>Convert to the new website: http://www.sqlite.org/</li>
<li>Allow transactions to span Linux Threads</li>
<li>Bug fix in the processing of the ORDER BY clause for GROUP BY queries</li>
}

chng {2002-07-31 (2.6.2)} {
<li>Text files read by the COPY command can now have line terminators
    of LF,  CRLF, or CR.</li>
<li>SQLITE_BUSY is handled correctly if encountered during database
    initialization.</li>
<li>Fix to UPDATE triggers on TEMP tables.</li>
<li>Documentation updates.</li>
}
................................................................................
    "ident" command and which contains the library version number.</li>
<li>Fix an assertion failure that occurred when deleting all rows of
    a table with the "count_changes" pragma turned on.</li>
<li>Better error reporting when problems occur during the automatic
    2.5.6 to 2.6.0 database format upgrade.</li>
}

chng {2002-07-18 (2.6.0)} {
<li>Change the format of indices to correct a design flaw the originated
    with version 2.1.0.  <font color="red">*** This is an incompatible
    file format change ***</font>  When version 2.6.0 or later of the
    library attempts to open a database file created by version 2.5.6 or
    earlier, it will automatically and irreversibly convert the file format.
    <b>Make backup copies of older database files before opening them with
    version 2.6.0 of the library.</b>
................................................................................
    callback.</li>
<li>Added the <b>sqlite_open_aux_file()</b> API, though it is still
    mostly undocumented and untested.</li>
<li>Added additional test cases and fixed a few bugs that those
    test cases found.</li>
}

chng {2002-06-25 (2.5.3)} {
<li>Bug fix:  Database corruption can occur due to the optimization
    that was introduced in version 2.4.0 (check-in &#91;410&#93;).  The problem
    should now be fixed.  The use of versions 2.4.0 through 2.5.2 is
    not recommended.</li>
}

chng {2002-06-25 (2.5.2)} {
<li>Added the new <b>SQLITE_TEMP_MASTER</b> table which records the schema
    for temporary tables in the same way that <b>SQLITE_MASTER</b> does for
    persistent tables.</li>
<li>Added an optimization to UNION ALL</li>
<li>Fixed a bug in the processing of LEFT OUTER JOIN</li>
<li>The LIMIT clause now works on subselects</li>
<li>ORDER BY works on subselects</li>
................................................................................
    generator.</li>
<li>Make the LIMIT clause work on subqueries.  (ORDER BY still does not
    work, though.)</li>
<li>Added the "%Q" expansion to sqlite_*_printf().</li>
<li>Bug fixes too numerous to mention (see the change log).</li>
}

chng {2002-05-10 (2.4.12)} {
<li>Added logic to detect when the library API routines are called out
    of sequence.</li>
}

chng {2002-05-08 (2.4.11)} {
<li>Bug fix: Column names in the result set were not being generated
    correctly for some (rather complex) VIEWs.  This could cause a
    segfault under certain circumstances.</li>
}

chng {2002-05-03 (2.4.10)} {
<li>Bug fix: Generate correct column headers when a compound SELECT is used
    as a subquery.</li>
<li>Added the sqlite_encode_binary() and sqlite_decode_binary() functions to
    the source tree.  But they are not yet linked into the library.</li>
<li>Documentation updates.</li>
<li>Export the sqlite_changes() function from Windows DLLs.</li>
<li>Bug fix: Do not attempt the subquery flattening optimization on queries
    that lack a FROM clause.  To do so causes a segfault.</li>
}

chng {2002-04-22 (2.4.9)} {
<li>Fix a bug that was causing the precompiled binary of SQLITE.EXE to
    report "out of memory" under Windows 98.</li>
}

chng {2002-04-20 (2.4.8)} {
<li>Make sure VIEWs are created after their corresponding TABLEs in the
    output of the <b>.dump</b> command in the shell.</li>
................................................................................
<li>Speed improvements: Do not do synchronous updates on TEMP tables.</li>
<li>Many improvements and enhancements to the shell.</li>
<li>Make the GLOB and LIKE operators functions that can be overridden
    by a programmer.  This allows, for example, the LIKE operator to
    be changed to be case sensitive.</li>
}

chng {2002-04-12 (2.4.7)} {
<li>Add the ability to put TABLE.* in the column list of a
    SELECT statement.</li>
<li>Permit SELECT statements without a FROM clause.</li>
<li>Added the <b>last_insert_rowid()</b> SQL function.</li>
<li>Do not count rows where the IGNORE conflict resolution occurs in
    the row count.</li>
<li>Make sure functions expressions in the VALUES clause of an INSERT
................................................................................
}

chng {2002-04-02 (2.4.6)} {
<li>Bug fix: Correctly handle terms in the WHERE clause of a join that
    do not contain a comparison operator.</li>
}

chng {2002-04-02 (2.4.5)} {
<li>Bug fix: Correctly handle functions that appear in the WHERE clause
    of a join.</li>
<li>When the PRAGMA vdbe_trace=ON is set, correctly print the P3 operand
    value when it is a pointer to a structure rather than a pointer to
    a string.</li>
<li>When inserting an explicit NULL into an INTEGER PRIMARY KEY, convert
    the NULL value into a unique key automatically.</li>
}

chng {2002-03-30 (2.4.4)} {
<li>Allow "VIEW" to be a column name</li>
<li>Added support for CASE expressions (patch from Dan Kennedy)</li>
<li>Added RPMS to the delivery (patches from Doug Henry)</li>
<li>Fix typos in the documentation</li>
<li>Cut over configuration management to a new CVS repository with
    its own CVSTrac bug tracking system.</li>
}

chng {2002-03-23 (2.4.3)} {
<li>Fix a bug in SELECT that occurs when a compound SELECT is used as a
    subquery in the FROM of a SELECT.</li>
<li>The <b>sqlite_get_table()</b> function now returns an error if you
    give it two or more SELECTs that return different numbers of columns.</li>
}

chng {2002-03-20 (2.4.2)} {
<li>Bug fix: Fix an assertion failure that occurred when ROWID was a column
    in a SELECT statement on a view.</li>
<li>Bug fix: Fix an uninitialized variable in the VDBE that would could an
    assert failure.</li>
<li>Make the os.h header file more robust in detecting when the compile is
    for Windows and when it is for Unix.</li>
}
................................................................................
<li>Using an unnamed subquery in a FROM clause would cause a segfault.</li>
<li>The parser now insists on seeing a semicolon or the end of input before
    executing a statement.  This avoids an accidental disaster if the
    WHERE keyword is misspelled in an UPDATE or DELETE statement.</li>
}


chng {2002-03-11 (2.4.0)} {
<li>Change the name of the sanity_check PRAGMA to <b>integrity_check</b>
    and make it available in all compiles.</li>
<li>SELECT min() or max() of an indexed column with no WHERE or GROUP BY
    clause is handled as a special case which avoids a complete table scan.</li>
<li>Automatically generated ROWIDs are now sequential.</li>
<li>Do not allow dot-commands of the command-line shell to occur in the
    middle of a real SQL command.</li>
................................................................................
    about 2.5 times faster and large DELETEs about 5 times faster.</li>
<li>Made the CACHE_SIZE pragma persistent</li>
<li>Added the SYNCHRONOUS pragma</li>
<li>Fixed a bug that was causing updates to fail inside of transactions when
    the database contained a temporary table.</li>
}

chng {2002-02-19 (2.3.3)} {
<li>Allow identifiers to be quoted in square brackets, for compatibility
    with MS-Access.</li>
<li>Added support for sub-queries in the FROM clause of a SELECT.</li>
<li>More efficient implementation of sqliteFileExists() under Windows.
    (by Joel Luscy)</li>
<li>The VALUES clause of an INSERT can now contain expressions, including
    scalar SELECT clauses.</li>
................................................................................

chng {2002-02-13 (2.3.1)} {
<li>Bug fix: An assertion was failing if "PRAGMA full_column_names=ON;" was
    set and you did a query that used a rowid, like this:  
    "SELECT rowid, * FROM ...".</li>
}

chng {2002-02-03 (2.3.0)} {
<li>Fix a serious bug in the INSERT command which was causing data to go
    into the wrong columns if the data source was a SELECT and the INSERT
    clauses specified its columns in some order other than the default.</li>
<li>Added the ability to resolve constraint conflicts is ways other than
    an abort and rollback.  See the documentation on the "ON CONFLICT"
    clause for details.</li>
<li>Temporary files are now automatically deleted by the operating system
................................................................................
chng {2002-01-16 (2.2.3)} {
<li>Fix warning messages in VC++ 7.0.  (Patches from nicolas352001)</li>
<li>Make the library thread-safe.  (The code is there and appears to work
    but has not been stressed.)</li>
<li>Added the new <b>sqlite_last_insert_rowid()</b> API function.</li>
}

chng {2002-01-14 (2.2.2)} {
<li>Bug fix: An assertion was failing when a temporary table with an index
    had the same name as a permanent table created by a separate process.</li>
<li>Bug fix: Updates to tables containing an INTEGER PRIMARY KEY and an
    index could fail.</li>
}

chng {2002-01-09 (2.2.1)} {
................................................................................
    implemented the integer primary key change of the previous bullet.</li>
<li>Added the ability to specify "*" as part of a larger column list in
    the result section of a SELECT statement.  For example:
    <nobr>"<b>SELECT rowid, * FROM table1;</b>"</nobr>.</li>
<li>Updates to comments and documentation.</li>
}

chng {2001-12-15 (2.1.7)} {
<li>Fix a bug in <b>CREATE TEMPORARY TABLE</b> which was causing the
    table to be initially allocated in the main database file instead
    of in the separate temporary file.  This bug could cause the library
    to suffer an assertion failure and it could cause "page leaks" in the
    main database file.
<li>Fix a bug in the b-tree subsystem that could sometimes cause the first
    row of a table to be repeated during a database scan.</li>
................................................................................
chng {2001-12-06 (2.1.5)} {
<li>Fix for another problem (unrelated to the one fixed in 2.1.4) 
    that sometimes causes <b>sqlite_exec()</b> to return SQLITE_PROTOCOL
    unnecessarily.  This time the bug was
    in the POSIX locking code and should not effect Windows users.</li>
}

chng {2001-12-05 (2.1.4)} {
<li>Sometimes <b>sqlite_exec()</b> would return SQLITE_PROTOCOL when it
    should have returned SQLITE_BUSY.</li>
<li>The fix to the previous bug uncovered a deadlock which was also
    fixed.</li>
<li>Add the ability to put a single .command in the second argument
    of the sqlite shell</li>
<li>Updates to the FAQ</li>
}

chng {2001-11-24 (2.1.3)} {
<li>Fix the behavior of comparison operators 
    (ex: "<b>&lt</b>", "<b>==</b>", etc.)
    so that they are consistent with the order of entries in an index.</li>
<li>Correct handling of integers in SQL expressions that are larger than
    what can be represented by the machine integer.</li>
}

chng {2001-11-23 (2.1.2)} {
<li>Changes to support 64-bit architectures.</li>
<li>Fix a bug in the locking protocol.</li>
<li>Fix a bug that could (rarely) cause the database to become 
    unreadable after a DROP TABLE due to corruption to the SQLITE_MASTER
    table.</li>
<li>Change the code so that version 2.1.1 databases that were rendered 
    unreadable by the above bug can be read by this version of
................................................................................
<li>Documentation updates</li>
<li>Simplify the design of the VDBE by restricting the number of sorters
    and lists to 1.
    In practice, no more than one sorter and one list was ever used anyhow.
    </li>
}

chng {2001-10-22 (2.0.7)} {
<li>Any UTF-8 character or ISO8859 character can be used as part of
    an identifier.</li>
<li>Patches from Christian Werner to improve ODBC compatibility and to
    fix a bug in the round() function.</li>
<li>Plug some memory leaks that use to occur if malloc() failed.
    We have been and continue to be memory leak free as long as
    malloc() works.</li>
................................................................................
chng {2001-10-19 (2.0.6)} {
<li>Added the EMPTY_RESULT_CALLBACKS pragma</li>
<li>Support for UTF-8 and ISO8859 characters in column and table names.</li>
<li>Bug fix: Compute correct table names with the FULL_COLUMN_NAMES pragma
    is turned on.</li>
}

chng {2001-10-15 (2.0.5)} {
<li>Added the COUNT_CHANGES pragma.</li>
<li>Changes to the FULL_COLUMN_NAMES pragma to help out the ODBC driver.</li>
<li>Bug fix: "SELECT count(*)" was returning NULL for empty tables.
    Now it returns 0.</li>
}

chng {2001-10-13 (2.0.4)} {
................................................................................
chng {2001-07-23 (1.0.32)} {
<li>Pager and btree subsystems removed.  These will be used in a follow-on
    SQL server library named "SQLus".</li>
<li>Add the ability to use quoted strings as table and column names in
    expressions.</li>
}

chng {2001-04-15 (1.0.31)} {
<li>Pager subsystem added but not yet used.</li>
<li>More robust handling of out-of-memory errors.</li>
<li>New tests added to the test suite.</li>
}

chng {2001-04-06 (1.0.30)} {
<li>Remove the <b>sqlite_encoding</b> TCL variable that was introduced
................................................................................
<li>Fix a bug which was causing
    the UPDATE command to fail on systems where "malloc(0)" returns
    NULL.  The problem does not appear on Windows, Linux, or HPUX but does 
    cause the library to fail on QNX.
    </li>
}

chng {2001-02-20 (1.0.23)} {
<li>An unrelated (and minor) bug from Mark Muranwski fixed.  The algorithm
    for figuring out where to put temporary files for a "memory:" database
    was not working quite right.
    </li>
}

chng {2001-02-19 (1.0.22)} {
................................................................................

chng {2000-12-10 (1.0.17)} {
<li>Rewrote <b>sqlite_complete()</b> to make it faster.</li>
<li>Minor tweaks to other code to make it run a little faster.</li>
<li>Added new tests for <b>sqlite_complete()</b> and for memory leaks.</li>
}

chng {2000-11-28 (1.0.16)} {
<li>Documentation updates.  Mostly fixing of typos and spelling errors.</li>
}

chng {2000-10-23 (1.0.15)} {
<li>Documentation updates</li>
<li>Some sanity checking code was removed from the inner loop of vdbe.c
    to help the library to run a little faster.  The code is only
................................................................................
}

chng {2000-10-19 (1.0.14)} {
<li>Added a "memory:" backend driver that stores its database in an
    in-memory hash table.</li>
}

chng {2000-10-19 (1.0.13)} {
<li>Break out the GDBM driver into a separate file in anticipation
    to added new drivers.</li>
<li>Allow the name of a database to be prefixed by the driver type.
    For now, the only driver type is "gdbm:".</li>
}

chng {2000-10-17 (1.0.12)} {
<li>Fixed an off-by-one error that was causing a coredump in 
    the '%q' format directive of the new
    <b>sqlite_..._printf()</b> routines.</li>
<li>Added the <b>sqlite_interrupt()</b> interface.</li>
<li>In the shell, <b>sqlite_interrupt()</b> is invoked when the
    user presses Control-C</li>
<li>Fixed some instances where <b>sqlite_exec()</b> was
................................................................................
}

chng {2000-10-11 (1.0.10)} {
<li>Added notes on how to compile for Windows95/98.</li>
<li>Removed a few variables that were not being used.  Etc.</li>
}

chng {2000-10-09 (1.0.9)} {
<li>Added the <b>sqlite_..._printf()</b> interface routines.</li>
<li>Modified the <b>sqlite</b> shell program to use the new interface 
    routines.</li>
<li>Modified the <b>sqlite</b> shell program to print the schema for
    the built-in SQLITE_MASTER table, if explicitly requested.</li>
}

................................................................................
chng {2000-09-21 (Not Released)} {
<li>Change the tclsqlite "eval" method to return a list of results if
    no callback script is specified.</li>
<li>Change tclsqlite.c to use the Tcl_Obj interface</li>
<li>Add tclsqlite.c to the libsqlite.a library</li>
}

chng {2000-09-14 (1.0.5)} {
<li>Changed the print format for floating point values from "%g" to "%.15g".
    </li>
<li>Changed the comparison function so that numbers in exponential notation
    (ex: 1.234e+05) sort in numerical order.</li>
}

chng {2000-08-28 (1.0.4)} {

Changes to pages/howtocompile.in.

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option:</p>

<blockquote><pre>
gcc -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION shell.c sqlite3.c
</pre></blockquote>

<p>One might want to provide other [compile-time options] such as
[SQLITE_ENABLE_FTS5 | -DSQLITE_ENABLE_FTS4] for full-text search or
[SQLITE_ENABLE_RTREE | -DSQLITE_ENABLE_RTREE]
for the R*Tree search engine extension or
[SQLITE_ENABLE_JSON1 | -DSQLITE_ENABLE_JSON1] to include
[JSON SQL functions].  In order to see extra commentary

in [EXPLAIN] listings, add the 
[SQLITE_ENABLE_EXPLAIN_COMMENTS | -DSQLITE_ENABLE_EXPLAIN_COMMENTS] option.
On unix systems, add -DHAVE_USLEEP=1 if the host machine supports the
usleep() system call.  Add -DHAVE_READLINE and the -lreadline
and -lncurses libraries to get command-line editing support.
One might also want to
specify some compiler optimization switches.  (The precompiled
CLI available for download from the SQLite website uses "-Os".)
There are countless possible variations here.  A command to
compile a full-featured shell might look something like this:</p>

<blockquote><pre>
gcc -Os -I. -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_FTS4 &#92;

   -DSQLITE_ENABLE_RTREE -DSQLITE_ENABLE_EXPLAIN_COMMENTS &#92;
   -DHAVE_USLEEP -DHAVE_READLINE &#92;
   shell.c sqlite3.c -ldl -lreadline -lncurses -o sqlite3
</pre></blockquote>

<p>The key point is this:  Building the CLI consists of compiling 
together two C-language files.   The <b>shell.c</b> file contains the







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136
option:</p>

<blockquote><pre>
gcc -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION shell.c sqlite3.c
</pre></blockquote>

<p>One might want to provide other [compile-time options] such as
[-DSQLITE_ENABLE_FTS4] or [-DSQLITE_ENABLE_FTS5] for full-text search,

[-DSQLITE_ENABLE_RTREE] for the R*Tree search engine extension,
[-DSQLITE_ENABLE_JSON1] to include [JSON SQL functions], or

[-DSQLITE_ENABLE_DBSTAT_VTAB] for the [dbstat virtual table].
In order to see extra commentary in [EXPLAIN] listings, add the 
[-DSQLITE_ENABLE_EXPLAIN_COMMENTS] option.
On unix systems, add -DHAVE_USLEEP=1 if the host machine supports the
usleep() system call.  Add -DHAVE_READLINE and the -lreadline
and -lncurses libraries to get command-line editing support.
One might also want to
specify some compiler optimization switches.  (The precompiled
CLI available for download from the SQLite website uses "-Os".)
There are countless possible variations here.  A command to
compile a full-featured shell might look something like this:</p>

<blockquote><pre>
gcc -Os -I. -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_FTS4 &#92;
   -DSQLITE_ENABLE_FTS5 -DSQLITE_ENABLE_JSON1 &#92;
   -DSQLITE_ENABLE_RTREE -DSQLITE_ENABLE_EXPLAIN_COMMENTS &#92;
   -DHAVE_USLEEP -DHAVE_READLINE &#92;
   shell.c sqlite3.c -ldl -lreadline -lncurses -o sqlite3
</pre></blockquote>

<p>The key point is this:  Building the CLI consists of compiling 
together two C-language files.   The <b>shell.c</b> file contains the