187 lines
9.4 KiB
HTML
187 lines
9.4 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 3.7.17 On 2013-05-20</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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<div class="menu mainmenu">
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<ul>
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<li><a href="../index.html">Home</a>
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<li class='wideonly'><a href='../about.html'>About</a>
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<li class='desktoponly'><a href="../docs.html">Documentation</a>
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<li class='desktoponly'><a href="../download.html">Download</a>
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<ul>
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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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<li><a href='../support.html'>Support</a>
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<li><a href='../prosupport.html'>Purchase</a>
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<select name="s" id="searchtype">
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<option value="d">Search Documentation</option>
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<option value="c">Search Changelog</option>
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</div>
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<h2>SQLite Release 3.7.17 On 2013-05-20</h2><p><ol class='lessindent'>
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<li>Add support for <a href="../mmap.html">memory-mapped I/O</a>.
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<li>Add the <a href="../c3ref/strglob.html">sqlite3_strglob()</a> convenience interface.
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<li>Assigned the integer at offset 68 in the <a href="../fileformat2.html#database_header">database header</a> as the
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<a href="../fileformat2.html#appid">Application ID</a> for when SQLite is used as an <a href="../appfileformat.html">application file-format</a>.
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Added the <a href="../pragma.html#pragma_application_id">PRAGMA application_id</a> command to query and set the Application ID.
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<li>Report rollback recovery in the <a href="../errlog.html">error log</a> as SQLITE_NOTICE_RECOVER_ROLLBACK.
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Change the error log code for WAL recover from
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SQLITE_OK to SQLITE_NOTICE_RECOVER_WAL.
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<li>Report the risky uses of <a href="../howtocorrupt.html#unlink">unlinked database files</a> and
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<a href="../howtocorrupt.html#alias">database filename aliasing</a> as SQLITE_WARNING messages in the <a href="../errlog.html">error log</a>.
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<li>Added the <a href="../compile.html#trace_size_limit">SQLITE_TRACE_SIZE_LIMIT</a> compile-time option.
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<li>Increase the default value of <a href="../compile.html#max_schema_retry">SQLITE_MAX_SCHEMA_RETRY</a> to 50 and make sure
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that it is honored in every place that a schema change might force a statement
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retry.
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<li>Add a new test harness called "mptester" used to verify correct operation
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when multiple processes are using the same database file at the same time.
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<li>Enhance the <a href="../loadext.html">extension loading</a> mechanism to be more flexible (while
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still maintaining backwards compatibility) in two ways:
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<ol>
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<li>If the default entry point "sqlite3_extension_init" is not present in
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the loadable extension, also try an entry point "sqlite3_X_init" where
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"X" is based on the shared library filename. This allows every extension
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to have a different entry point, which allows them to be statically linked
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with no code changes.
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<li>The shared library filename passed to <a href="../c3ref/load_extension.html">sqlite3_load_extension()</a> may
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omit the filename suffix, and an appropriate architecture-dependent
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suffix (".so", ".dylib", or ".dll") will be added automatically.
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</ol>
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<li>Added many new loadable extensions to the source tree, including
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amatch, closure, fuzzer, ieee754, nextchar, regexp, spellfix,
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and wholenumber. See header comments on each extension source file
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for further information about what that extension does.
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<li>Enhance <a href="../fts3.html">FTS3</a> to avoid using excess stack space when there are a huge
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number of terms on the right-hand side of the MATCH operator. A side-effect
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of this change is that the MATCH operator can only accommodate 12 NEAR
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operators at a time.
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<li>Enhance the <a href="../fts3.html#fts4aux">fts4aux</a> virtual table so that it can be a TEMP table.
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<li>Added the <a href="../fts3.html#fts3tok">fts3tokenize virtual table</a> to the <a href="../fts3.html">full-text search</a> logic.
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<li>Query planner enhancement: Use the transitive property of constraints
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to move constraints into the outer loops of a join whenever possible,
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thereby reducing the amount of work that needs to occur in inner loops.
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<li>Discontinue the use of posix_fallocate() on unix, as it does not work on all
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filesystems.
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<li>Improved tracing and debugging facilities in the Windows <a href="../vfs.html">VFS</a>.
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<li>Bug fix: Fix a potential <b>database corruption bug</b>
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in <a href="../sharedcache.html">shared cache mode</a> when one
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<a href="../c3ref/sqlite3.html">database connection</a> is closed while another is in the middle of a write
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transaction.
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Ticket <a href="http://www.sqlite.org/src/info/e636a050b7">e636a050b7</a>
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<li>Bug fix:
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Only consider AS names from the result set as candidates for resolving
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identifiers in the WHERE clause if there are no other matches. In the
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ORDER BY clause, AS names take priority over any column names.
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Ticket <a href="http://www.sqlite.org/src/info/2500cdb9be05">2500cdb9be05</a>
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<li>Bug fix: Do not allow a virtual table to cancel the ORDER BY clause unless
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all outer loops are guaranteed to return no more than one row result.
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Ticket <a href="http://www.sqlite.org/src/info/ba82a4a41eac1">ba82a4a41eac1</a>.
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<li>Bug fix: Do not suppress the ORDER BY clause on a virtual table query if
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an IN constraint is used.
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Ticket <a href="http://www.sqlite.org/src/info/f69b96e3076e">f69b96e3076e</a>.
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<li>Bug fix: The <a href="../cli.html">command-line shell</a> gives an exit code of 0 when terminated
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using the ".quit" command.
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<li>Bug fix: Make sure <a href="../pragma.html#syntax">PRAGMA</a> statements appear in <a href="../c3ref/profile.html">sqlite3_trace()</a> output.
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<li>Bug fix: When a <a href="../lang_select.html#compound">compound query</a> that uses an ORDER BY clause
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with a <a href="../lang_expr.html#collateop">COLLATE operator</a>, make sure that the sorting occurs
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according to the specified collation and that the comparisons associate with
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the compound query use the native collation. Ticket
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<a href="http://www.sqlite.org/src/info/6709574d2a8d8">6709574d2a8d8</a>.
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<li>Bug fix: Makes sure the <a href="../c3ref/set_authorizer.html">authorizer</a> callback gets
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a valid pointer to the string "ROWID" for the column-name parameter when
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doing an <a href="../lang_update.html">UPDATE</a> that changes the rowid. Ticket
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<a href="http://www.sqlite.org/src/info/0eb70d77cb05bb2272">0eb70d77cb05bb2272</a>
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<li>Bug fix: Do not move WHERE clause terms inside OR expressions that are
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contained within an ON clause of a LEFT JOIN. Ticket
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<a href="http://www.sqlite.org/src/info/f2369304e4">f2369304e4</a>
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<li>Bug fix: Make sure an error is always reported when attempting to preform
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an operation that requires a <a href="../datatype3.html#collation">collating sequence</a> that is missing.
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Ticket <a href="http://www.sqlite.org/src/info/0fc59f908b">0fc59f908b</a>
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<li>SQLITE_SOURCE_ID:
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"2013-05-20 00:56:22 118a3b35693b134d56ebd780123b7fd6f1497668"
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<li>SHA1 for sqlite3.c: 246987605d0503c700a08b9ee99a6b5d67454aab
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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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