1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
<!DOCTYPE html>
<html><head>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link href="../sqlite.css" rel="stylesheet">
<title>SQLite Release 3.27.0 On 2019-02-07</title>
<!-- path=../ -->
</head>
<body>
<div class=nosearch>
<a href="../index.html">
<img class="logo" src="../images/sqlite370_banner.gif" alt="SQLite" border="0">
</a>
<div><!-- IE hack to prevent disappearing logo --></div>
<div class="tagline desktoponly">
Small. Fast. Reliable.<br>Choose any three.
</div>
<div class="menu mainmenu">
<ul>
<li><a href="../index.html">Home</a>
<li class='mobileonly'><a href="javascript:void(0)" onclick='toggle_div("submenu")'>Menu</a>
<li class='wideonly'><a href='../about.html'>About</a>
<li class='desktoponly'><a href="../docs.html">Documentation</a>
<li class='desktoponly'><a href="../download.html">Download</a>
<li class='wideonly'><a href='../copyright.html'>License</a>
<li class='desktoponly'><a href="../support.html">Support</a>
<li class='desktoponly'><a href="../prosupport.html">Purchase</a>
<li class='search' id='search_menubutton'>
<a href="javascript:void(0)" onclick='toggle_search()'>Search</a>
</ul>
</div>
<div class="menu submenu" id="submenu">
<ul>
<li><a href='../about.html'>About</a>
<li><a href='../docs.html'>Documentation</a>
<li><a href='../download.html'>Download</a>
<li><a href='../support.html'>Support</a>
<li><a href='../prosupport.html'>Purchase</a>
</ul>
</div>
<div class="searchmenu" id="searchmenu">
<form method="GET" action="../search">
<select name="s" id="searchtype">
<option value="d">Search Documentation</option>
<option value="c">Search Changelog</option>
</select>
<input type="text" name="q" id="searchbox" value="">
<input type="submit" value="Go">
</form>
</div>
</div>
<script>
function toggle_div(nm) {
var w = document.getElementById(nm);
if( w.style.display=="block" ){
w.style.display = "none";
}else{
w.style.display = "block";
}
}
function toggle_search() {
var w = document.getElementById("searchmenu");
if( w.style.display=="block" ){
w.style.display = "none";
} else {
w.style.display = "block";
setTimeout(function(){
document.getElementById("searchbox").focus()
}, 30);
}
}
function div_off(nm){document.getElementById(nm).style.display="none";}
window.onbeforeunload = function(e){div_off("submenu");}
/* Disable the Search feature if we are not operating from CGI, since */
/* Search is accomplished using CGI and will not work without it. */
if( !location.origin || !location.origin.match || !location.origin.match(/http/) ){
document.getElementById("search_menubutton").style.display = "none";
}
/* Used by the Hide/Show button beside syntax diagrams, to toggle the */
function hideorshow(btn,obj){
var x = document.getElementById(obj);
var b = document.getElementById(btn);
if( x.style.display!='none' ){
x.style.display = 'none';
b.innerHTML='show';
}else{
x.style.display = '';
b.innerHTML='hide';
}
return false;
}
var antiRobot = 0;
function antiRobotGo(){
if( antiRobot!=3 ) return;
antiRobot = 7;
var j = document.getElementById("mtimelink");
if(j && j.hasAttribute("data-href")) j.href=j.getAttribute("data-href");
}
function antiRobotDefense(){
document.body.onmousedown=function(){
antiRobot |= 2;
antiRobotGo();
document.body.onmousedown=null;
}
document.body.onmousemove=function(){
antiRobot |= 2;
antiRobotGo();
document.body.onmousemove=null;
}
setTimeout(function(){
antiRobot |= 1;
antiRobotGo();
}, 100)
antiRobotGo();
}
antiRobotDefense();
</script>
<h2>SQLite Release 3.27.0 On 2019-02-07</h2><p><ol class='lessindent'>
<li>Added the <a href="../lang_vacuum.html#vacuuminto">VACUUM INTO</a> command
<li>Issue an SQLITE_WARNING message on the <a href="../errlog.html">error log</a> if a
<a href="../quirks.html#dblquote">double-quoted string literal</a> is used.
<li>The <a href="../c3ref/expanded_sql.html">sqlite3_normalized_sql()</a> interface works on any prepared statement
created using <a href="../c3ref/prepare.html">sqlite3_prepare_v2()</a> or <a href="../c3ref/prepare.html">sqlite3_prepare_v3()</a>. It is no
longer necessary to use <a href="../c3ref/prepare.html">sqlite3_prepare_v3()</a> with <a href="../c3ref/c_prepare_normalize.html#sqlitepreparenormalize">SQLITE_PREPARE_NORMALIZE</a>
in order to use <a href="../c3ref/expanded_sql.html">sqlite3_normalized_sql()</a>.
<li>Added the remove_diacritics=2 option to <a href="../fts3.html">FTS3</a> and <a href="../fts5.html">FTS5</a>.
<li>Added the <a href="../c3ref/c_prepare_normalize.html#sqlitepreparenovtab">SQLITE_PREPARE_NO_VTAB</a> option to <a href="../c3ref/prepare.html">sqlite3_prepare_v3()</a>.
Use that option to prevent circular references to <a href="../vtab.html#xshadowname">shadow tables</a> from
causing resource leaks.
<li>Enhancements to the <a href="../c3ref/deserialize.html">sqlite3_deserialize()</a> interface:
<ol type="a">
<li> Add the <a href="../c3ref/c_fcntl_begin_atomic_write.html#sqlitefcntlsizelimit">SQLITE_FCNTL_SIZE_LIMIT</a> <a href="../c3ref/file_control.html">file-control</a> for
setting an upper bound on the size of the in-memory database created
by sqlite3_deserialize. The default upper bound is 1GiB, or whatever
alternative value is specified by
<a href="../c3ref/config.html">sqlite3_config</a>(<a href="../c3ref/c_config_covering_index_scan.html#sqliteconfigmemdbmaxsize">SQLITE_CONFIG_MEMDB_MAXSIZE</a>)
and/or <a href="../compile.html#memdb_default_maxsize">SQLITE_MEMDB_DEFAULT_MAXSIZE</a>.
<li> Honor the <a href="../c3ref/c_deserialize_freeonclose.html">SQLITE_DESERIALIZE_READONLY</a> flag, which was previously described
in the documentation, but was previously a no-op.
<li> Enhance the "deserialize" command of the <a href="../tclsqlite.html">TCL Interface</a> to give it
new "--maxsize N" and "--readonly BOOLEAN" options.
</ol>
<li>Enhancements to the <a href="../cli.html">CLI</a>, mostly to support testing and debugging
of the SQLite library itself:
<ol type="a">
<li> Add support for ".open --hexdb". The
"<a href="https://sqlite.org/src/doc/trunk/tool/dbtotxt.md">dbtotxt</a>" utility
program used to generate the text for the "hexdb" is added to the
source tree.
<li> Add support for the "--maxsize N" option on ".open --deserialize".
<li> Add the "--memtrace" command-line option, to show all memory allocations
and deallocations.
<li> Add the ".eqp trace" option on builds with SQLITE_DEBUG, to enable
bytecode program listing with indentation and
<a href="../pragma.html#pragma_vdbe_trace">PRAGMA vdbe_trace</a> all in one step.
<li> Add the ".progress" command for accessing
the <a href="../c3ref/progress_handler.html">sqlite3_progress_handler()</a> interface.
<li> Add the "--async" option to the ".backup" command.
<li> Add options "--expanded", "--normalized", "--plain", "--profile", "--row",
"--stmt", and "--close" to the ".trace" command.
</ol>
<li> Increased robustness against malicious SQL that is run against a
maliciously corrupted database.
<p><b>Bug fixes:</b>
<li>Do not use a partial index to do a table scan on an IN operator.
Ticket <a href="https://www.sqlite.org/src/info/1d958d90596593a774">1d958d90596593a774</a>.
<li>Fix the <a href="../optoverview.html#flattening">query flattener</a> so that it works on queries that contain
subqueries that use <a href="../windowfunctions.html">window functions</a>.
Ticket <a href="https://www.sqlite.org/src/info/f09fcd17810f65f717">709fcd17810f65f717</a>
<li>Ensure that ALTER TABLE modifies table and column names embedded in WITH
clauses that are part of views and triggers.
<li>Fix a parser bug that prevented the use of parentheses around table-valued
functions.
<li>Fix a problem with the <a href="../optoverview.html#or_opt">OR optimization</a> on <a href="../expridx.html">indexes on expressions</a>.
Ticket <a href="https://www.sqlite.org/src/info/d96eba87698a428c1d">d96eba87698a428c1d</a>.
<li>Fix a problem with the
<a href="../optoverview.html#leftjoinreduction">LEFT JOIN strength reduction optimization</a> in which the optimization
was being applied inappropriately due to an IS NOT NULL operator.
Ticket <a href="https://www.sqlite.org/src/info/5948e09b8c415bc45d">5948e09b8c415bc45d</a>.
<li>Fix the <a href="../lang_replace.html">REPLACE</a> command so that it is no longer able to sneak a
NULL value into a NOT NULL column even if the NOT NULL column has a default
value of NULL.
Ticket <a href="https://www.sqlite.org/src/info/e6f1f2e34dceeb1ed6">e6f1f2e34dceeb1ed6</a>
<li>Fix a problem with the use of <a href="../windowfunctions.html">window functions</a> used within
<a href="../lang_expr.html#cosub">correlated subqueries</a>.
Ticket <a href="https://www.sqlite.org/src/info/d0866b26f83e9c55e3">d0866b26f83e9c55e3</a>
<li>Fix the <a href="../lang_altertable.html#altertabmvcol">ALTER TABLE RENAME COLUMN</a> command so that it works for tables
that have redundant UNIQUE constraints.
Ticket <a href="https://www.sqlite.org/src/info/bc8d94f0fbd633fd9a">bc8d94f0fbd633fd9a</a>
<li>Fix a bug that caused <a href="../lang_corefunc.html#zeroblob">zeroblob</a> values to be truncated when inserted into
a table that uses an <a href="../expridx.html">expression index</a>.
Ticket <a href="https://www.sqlite.org/src/info/bb4bdb9f7f654b0bb9">bb4bdb9f7f654b0bb9</a>
<p><b>Hashes:</b>
<li>SQLITE_SOURCE_ID: "2019-02-07 17:02:52 97744701c3bd414e6c9d7182639d8c2ce7cf124c4fce625071ae65658ac61713
"
<li>SHA3-256 for sqlite3.c: ca011a10ee8515b33e5643444b98ee3d74dc45d3ac766c3700320def52bc6aba
</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="http://www.sqlite.org/src/timeline">
SQLite version control site</a>.</p>
|
