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diff --git a/www/lang_reindex.html b/www/lang_reindex.html new file mode 100644 index 0000000..9cc4713 --- /dev/null +++ b/www/lang_reindex.html @@ -0,0 +1,204 @@ +<!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>REINDEX</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. 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+<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> +<div class=fancy> +<div class=nosearch> +<div class="fancy_title"> +REINDEX +</div> +</div> + + + + +<p><b><a href="syntax/reindex-stmt.html">reindex-stmt:</a></b> +<button id='x1811' onclick='hideorshow("x1811","x1812")'>hide</button></p> + <div id='x1812' class='imgcontainer'> + <div style="max-width:619px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 619.286 137.376"> +<circle cx="5" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="32,17 20,21 20,12" style="fill:rgb(0,0,0)"/> +<path d="M9,17L26,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M47,32L111,32A15 15 0 0 0 126 17A15 15 0 0 0 111 2L47,2A15 15 0 0 0 32 17A15 15 0 0 0 47 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="79" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">REINDEX</text> +<polygon points="167,82 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/> +<polygon points="425,82 413,86 413,77" style="fill:rgb(0,0,0)"/> +<path d="M383,82L419,82" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M440,97L515,97A15 15 0 0 0 530 82A15 15 0 0 0 515 67L440,67A15 15 0 0 0 425 82A15 15 0 0 0 440 97Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="477" y="82" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">table-name</text> +<polygon points="568,82 556,86 556,77" style="fill:rgb(0,0,0)"/> +<path d="M530,82L562,82" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M568,82 L 575,82 Q 583,82 583,74 L 583,67" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="383,17 372,21 372,12" style="fill:rgb(0,0,0)"/> +<path d="M126,17L377,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M383,17L598,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="167,44 156,48 156,40" style="fill:rgb(0,0,0)"/> +<path d="M126,17 L 133,17 Q 141,17 141,30 Q 141,44 151,44 L 162,44" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M182,59L288,59A15 15 0 0 0 303 44L303,44A15 15 0 0 0 288 29L182,29A15 15 0 0 0 167 44L167,44A15 15 0 0 0 182 59Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="235" y="44" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">collation-name</text> +<polygon points="568,44 556,48 556,40" style="fill:rgb(0,0,0)"/> +<path d="M303,44L562,44" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M568,44 L 575,44 Q 583,44 583,36 L 583,29" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="231,120 219,124 219,115" style="fill:rgb(0,0,0)"/> +<path d="M141,67 L 141,105 Q 141,120 156,120 L 210,120 L 225,120" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M231,120 L 347,120 Q 362,120 362,105 L 362,97 Q 362,82 370,82 L 377,82" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +</svg> +</div> +</div> + + +<p>The REINDEX command is used to delete and recreate indices from scratch. +This is useful when the definition of a collation sequence has changed, or +when there are <a href="expridx.html">indexes on expressions</a> involving a function whose definition +has changed. +</p> + +<p>If the REINDEX keyword is not followed by a collation-sequence or database +object identifier, then all indices in all attached databases are rebuilt. + +</p><p>If the REINDEX keyword is followed by a collation-sequence name, then +all indices in all attached databases that use the named collation sequences +are recreated. + +</p><p>Or, if the argument attached to the REINDEX identifies a specific +database table, then all indices attached to the database table are rebuilt. +If it identifies a specific database index, then just that index is recreated. + +</p><p>For a command of the form "REINDEX <i>name</i>", a match +against <span class='yyterm'>collation-name</span> takes precedence over a match +against <span class='yyterm'>index-name</span> or <span class='yyterm'>table-name</span>. +This ambiguity in the syntax may be avoided by always specifying a +<span class='yyterm'>schema-name</span> when reindexing a specific table or index. +</p><p align="center"><small><i>This page last modified on <a href="https://sqlite.org/docsrc/honeypot" id="mtimelink" data-href="https://sqlite.org/docsrc/finfo/pages/lang_reindex.in?m=a26831b152af3ea06">2020-04-29 04:02:25</a> UTC </small></i></p> + |