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<title>SQLite Release 3.45.0 On 2024-01-15</title>
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<h2>SQLite Release 3.45.0 On 2024-01-15</h2><p><ol class='lessindent'>
<li> Added the <a href="../c3ref/c_deterministic.html#sqliteresultsubtype">SQLITE_RESULT_SUBTYPE</a> property for
<a href="../appfunc.html">application-defined SQL functions</a>.
All application defined SQL functions that invokes
<a href="../c3ref/result_subtype.html">sqlite3_result_subtype()</a> must be registered with this new property.
Failure to do so might cause the call to sqlite3_result_subtype() to
behave as a no-op. Compile with <a href="../compile.html#strict_subtype">-DSQLITE_STRICT_SUBTYPE=1</a> to cause an
SQL error to be raised if a function that is not <a href="../c3ref/c_deterministic.html#sqliteresultsubtype">SQLITE_RESULT_SUBTYPE</a>
tries invokes <a href="../c3ref/result_subtype.html">sqlite3_result_subtype()</a>. The use of <a href="../compile.html#strict_subtype">-DSQLITE_STRICT_SUBTYPE=1</a>
is a recommended compile-time option for every application that makes
use of subtypes.
<li> Enhancements to the <a href="../json1.html">JSON SQL functions</a>:
<ol type="a">
<li> All JSON functions are rewritten to use a new internal parse tree
format called <a href="../json1.html#jsonbx">JSONB</a>. The new parse-tree format is serializable
and hence can be stored in the database to avoid unnecessary re-parsing
whenever the JSON value is used.
<li> New versions of JSON-generating functions generate binary JSONB instead
of JSON text.
<li> The <a href="../json1.html#jvalid">json_valid()</a> function adds an optional second argument that
specifies what it means for the first argument to be "well-formed".
</ol>
<li> Add the <a href="../fts5.html#the_tokendata_option">FTS5 tokendata option</a> to the <a href="../fts5.html">FTS5</a> virtual table.
<li> The <a href="../compile.html#direct_overflow_read">SQLITE_DIRECT_OVERFLOW_READ</a> optimization is now enabled by default.
Disable it at compile-time using -DSQLITE_DIRECT_OVERFLOW_READ=0.
<li> Query planner improvements:
<ol type="a">
<li> Do not allow the transitive constraint optimization to trick the
query planner into using a range constraint when a better equality
constraint is available.
(<a href="https://sqlite.org/forum/forumpost/2568d1f6e6">Forum post 2568d1f6e6</a>.)
<li> The query planner now does a better job of disregarding
indexes that <a href="../lang_analyze.html">ANALYZE</a> identifies as low-quality.
(<a href="https://sqlite.org/forum/forumpost/6f0958b03b">Forum post 6f0958b03b</a>.)
</ol>
<li> Increase the default value for <a href="../limits.html#max_page_count">SQLITE_MAX_PAGE_COUNT</a> from 1073741824 to
4294967294.
<li> Enhancements to the <a href="../cli.html">CLI</a>:
<ol type="a">
<li> Improvements to the display of UTF-8 content on Windows
<li> Automatically detect playback of ".dump" scripts and make appropriate
changes to settings such as ".dbconfig defensive off" and
".dbconfig dqs_dll on".
</ol>
<p><b>Hashes:</b>
<li>SQLITE_SOURCE_ID: 2024-01-15 17:01:13 1066602b2b1976fe58b5150777cced894af17c803e068f5918390d6915b46e1d
<li>SHA3-256 for sqlite3.c: f56d8e5e8c61d87b957f1cc60b3042c134d7bc0ca3aba002e6999e8f0af310a3
</ol></p>
<p>A <a href="../changes.html">complete list of SQLite releases</a>
in a single page and a <a href="../chronology.html">chronology</a> are both also available.
A detailed history of every
check-in is available at
<a href="https://www.sqlite.org/src/timeline">
SQLite version control site</a>.</p>
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