146 lines
6.0 KiB
HTML
146 lines
6.0 KiB
HTML
<!DOCTYPE html>
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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 3.7.15 On 2012-12-12</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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Small. Fast. Reliable.<br>Choose any three.
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<li><a href="../index.html">Home</a>
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<li><a href='../download.html'>Download</a>
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<h2>SQLite Release 3.7.15 On 2012-12-12</h2><p><ol class='lessindent'>
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<li>Added the <a href="../c3ref/errcode.html">sqlite3_errstr()</a> interface.
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<li>Avoid invoking the <a href="../c3ref/profile.html">sqlite3_trace()</a> callback multiple times when a
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statement is automatically reprepared due to <a href="../rescode.html#schema">SQLITE_SCHEMA</a> errors.
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<li>Added support for Windows Phone 8 platforms
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<li>Enhance IN operator processing to make use of indices with numeric
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affinities.
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<li>Do full-table scans using covering indices when possible, under the
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theory that an index will be smaller and hence can be scanned with
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less I/O.
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<li>Enhance the query optimizer so that ORDER BY clauses are more aggressively
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optimized, especially in joins where various terms of the ORDER BY clause
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come from separate tables of the join.
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<li>Add the ability to implement FROM clause subqueries as coroutines rather
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that manifesting the subquery into a temporary table.
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<li>Enhancements the command-line shell:
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<ol type='a'>
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<li>Added the ".print" command
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<li>Negative numbers in the ".width" command cause right-alignment
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<li>Add the ".wheretrace" command when compiled with SQLITE_DEBUG
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</ol>
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<li>Added the <a href="../pragma.html#pragma_busy_timeout">busy_timeout pragma</a>.
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<li>Added the <a href="../lang_corefunc.html#instr">instr()</a> SQL function.
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<li>Added the <a href="../c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlbusyhandler">SQLITE_FCNTL_BUSYHANDLER</a> file control, used to allow VFS
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implementations to get access to the busy handler callback.
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<li>The xDelete method in the built-in <a href="../vfs.html">VFSes</a> now return
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SQLITE_IOERR_DELETE_NOENT if the file to be deleted does not exist.
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<li>Enhanced support for QNX.
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<li>Work around an optimizer bug in the MSVC compiler when targeting ARM.
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<li>Bug fix: Avoid various concurrency problems in <a href="../sharedcache.html">shared cache mode</a>.
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<li>Bug fix: Avoid a deadlock or crash if the <a href="../backup.html">backup API</a>, <a href="../sharedcache.html">shared cache</a>,
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and the SQLite Encryption Extension are all used at once.
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<li>Bug fix: SQL functions created using the TCL interface honor the
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"nullvalue" setting.
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<li>Bug fix: Fix a 32-bit overflow problem on CREATE INDEX for databases
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larger than 16GB.
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<li>Bug fix: Avoid segfault when using the <a href="../lang_expr.html#collateop">COLLATE operator</a> inside of a
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<a href="../lang_createtable.html#ckconst">CHECK constraint</a> or <a href="../lang_createview.html">view</a> in <a href="../sharedcache.html">shared cache mode</a>.
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<li>SQLITE_SOURCE_ID:
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"2012-12-12 13:36:53 cd0b37c52658bfdf992b1e3dc467bae1835a94ae"
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<li>SHA1 for sqlite3.c: 2b413611f5e3e3b6ef5f618f2a9209cdf25cbcff"
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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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