159 lines
6.5 KiB
HTML
159 lines
6.5 KiB
HTML
<!DOCTYPE html>
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<html><head>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link href="../sqlite.css" rel="stylesheet">
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<title>SQLite Release 3.4.0 On 2007-06-18</title>
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<!-- path=../ -->
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</head>
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<body>
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<div class=nosearch>
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<a href="../index.html">
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<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0">
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</a>
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<div><!-- IE hack to prevent disappearing logo --></div>
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<div class="tagline desktoponly">
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Small. Fast. Reliable.<br>Choose any three.
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</div>
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<ul>
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<li><a href="../index.html">Home</a>
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<li><a href='../about.html'>About</a>
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<li><a href='../docs.html'>Documentation</a>
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<li><a href='../download.html'>Download</a>
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</div>
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<h2>SQLite Release 3.4.0 On 2007-06-18</h2><p><ol class='lessindent'>
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<li>Fix a bug that can lead to database corruption if an <a href="../rescode.html#busy">SQLITE_BUSY</a> error
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occurs in the middle of an explicit transaction and that transaction
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is later committed. Ticket #2409.
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<li>Fix a bug that can lead to database corruption if autovacuum mode is
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on and a malloc() failure follows a CREATE TABLE or CREATE INDEX statement
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which itself follows a cache overflow inside a transaction. See
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ticket #2418.
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</li>
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<li>Added explicit <a href="../limits.html">upper bounds</a> on the sizes and
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quantities of things SQLite can process. This change might cause
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compatibility problems for
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applications that use SQLite in the extreme, which is why the current
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release is 3.4.0 instead of 3.3.18.</li>
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<li>Added support for <a href="../c3ref/blob_open.html">Incremental BLOB I/O</a>.</li>
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<li>Added the <a href="../c3ref/bind_blob.html">sqlite3_bind_zeroblob()</a> API</a>
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and the <a href="../lang_expr.html#zeroblob">zeroblob()</a> SQL function.</li>
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<li>Added support for <a href="../pragma.html#pragma_incremental_vacuum">
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Incremental Vacuum</a>.</li>
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<li>Added the SQLITE_MIXED_ENDIAN_64BIT_FLOAT compile-time option to support
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ARM7 processors with goofy endianness.</li>
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<li>Removed all instances of sprintf() and strcpy() from the core library.</li>
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<li>Added support for
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<a href="http://www.icu-project.org/">International Components for Unicode (ICU)</a>
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to the full-text search extensions.
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<li>In the Windows OS driver, reacquire a SHARED lock if an attempt to
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acquire an EXCLUSIVE lock fails. Ticket #2354</li>
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<li>Fix the REPLACE() function so that it returns NULL if the second argument
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is an empty string. Ticket #2324.</li>
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<li>Document the hazards of type conversions in
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<a href="../c3ref/column_blob.html">sqlite3_column_blob()</a>
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and related APIs. Fix unnecessary type conversions. Ticket #2321.</li>
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<li>Internationalization of the TRIM() function. Ticket #2323</li>
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<li>Use memmove() instead of memcpy() when moving between memory regions
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that might overlap. Ticket #2334</li>
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<li>Fix an optimizer bug involving subqueries in a compound SELECT that has
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both an ORDER BY and a LIMIT clause. Ticket #2339.</li>
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<li>Make sure the <a href="../c3ref/mprintf.html">sqlite3_snprintf()</a>
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interface does not zero-terminate the buffer if the buffer size is
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less than 1. Ticket #2341</li>
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<li>Fix the built-in printf logic so that it prints "NaN" not "Inf" for
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floating-point NaNs. Ticket #2345</li>
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<li>When converting BLOB to TEXT, use the text encoding of the main database.
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Ticket #2349</li>
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<li>Keep the full precision of integers (if possible) when casting to
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NUMERIC. Ticket #2364</li>
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<li>Fix a bug in the handling of UTF16 codepoint 0xE000</li>
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<li>Consider explicit collate clauses when matching WHERE constraints
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to indices in the query optimizer. Ticket #2391</li>
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<li>Fix the query optimizer to correctly handle constant expressions in
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the ON clause of a LEFT JOIN. Ticket #2403</li>
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<li>Fix the query optimizer to handle rowid comparisons to NULL
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correctly. Ticket #2404</li>
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<li>Fix many potential segfaults that could be caused by malicious SQL
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statements.</li>
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</ol></p>
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<p>A <a href="../changes.html">complete list of SQLite releases</a>
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in a single page and a <a href="../chronology.html">chronology</a> are both also available.
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A detailed history of every
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check-in is available at
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<a href="http://www.sqlite.org/src/timeline">
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SQLite version control site</a>.</p>
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