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
|
<!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 3.46.0 On 2024-05-23</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 3.46.0 On 2024-05-23</h2><p><ol class='lessindent'>
<li> Enhance <a href="../pragma.html#pragma_optimize">PRAGMA optimize</a> in multiple ways, to make it
<a href="../lang_analyze.html#pragopt">simpler to use</a>:
<ol type="a">
<li> PRAGMA optimize automatically implements a temporary
<a href="../pragma.html#pragma_analysis_limit">analysis limit</a> to prevent excess runtime
on large databases.
<li> Added the new 0x10000 bitmask option to check for updates on all tables.
<li> Automatically re-analyze tables that do not have sqlite_stat1 entries.
</ol>
<li> Enhancements to the <a href="../lang_datefunc.html">date and time functions</a>:
<ol type="a">
<li> The <a href="../lang_datefunc.html#strftm">strftime() SQL function</a> now supports %G, %g, %U, and %V.
<li> New modifiers 'ceiling' and 'floor' control the algorithm used to
resolve <a href="../lang_datefunc.html#dtambg">ambiguous dates</a> when shifting a date by an integer number
of months and/or years.
<li> The <a href="../lang_datefunc.html#localtime">'utc' and 'localtime' modifiers</a> are now no-ops if SQLite knows
that the time is already in UTC or in the localtime, respectively.
</ol>
<li> Add support for underscore ("_") characters between digits in
<a href="../lang_expr.html#litvalue">numeric literals</a>.
<li> Add the <a href="../json1.html#jpretty">json_pretty()</a> SQL function.
<li> Query planner improvements:
<ol type="a">
<li> The "VALUES-as-coroutine" optimization enables INSERT statements with
thousands of rows in the VALUES clause to parse and run in about half
the time and using about half as much memory.
<li> Allow the use of an index for queries like "SELECT count(DISTINCT col) FROM ...",
even if the index records are not smaller than the table records.
<li> Improved recognition of cases where the value of an SQL function is
constant because all its arguments are constant.
<li> Enhance the <a href="../optoverview.html#pushdown">WHERE-clause push-down optimization</a> so that it is able to
push down WHERE clause terms containing uncorrelated subqueries.
</ol>
<li> Allocate additional memory from the heap for the SQL parser stack if
that stack overflows, rather than reporting a "parser stack overflow" error.
<li> JSON changes:
<ol type="a">
<li> Allow ASCII control characters within JSON5 string literals.
<li> Fix <a href="../json1.html#jptr">the -> and ->> operators</a> so that when the right-hand side operand is a string
that looks like an integer it is still treated as a string, because that is what
PostgreSQL does.
</ol>
<li> Allow large hexadecimal literals to be used as the DEFAULT value to a table column.
<p><b>Hashes:</b>
<li>SQLITE_SOURCE_ID: 2024-05-23 13:25:27 96c92aba00c8375bc32fafcdf12429c58bd8aabfcadab6683e35bbb9cdebf19e
<li>SHA3-256 for sqlite3.c: 094429ea827fcd32275e767134bc6c7b9ea394a2c5a9e653dd0a0690b2c11358
</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>
|
