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diff --git a/www/lang_droptrigger.html b/www/lang_droptrigger.html new file mode 100644 index 0000000..083f900 --- /dev/null +++ b/www/lang_droptrigger.html @@ -0,0 +1,176 @@ +<!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>DROP TRIGGER</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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+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> + + + +<p><b><a href="syntax/drop-trigger-stmt.html">drop-trigger-stmt:</a></b> +<button id='x1715' onclick='hideorshow("x1715","x1716")'>hide</button></p> + <div id='x1716' class='imgcontainer'> + <div style="max-width:795px"><svg xmlns='http://www.w3.org/2000/svg' class="pikchr" viewBox="0 0 795.37 54"> +<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="M47,32L78,32A15 15 0 0 0 93 17A15 15 0 0 0 78 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="63" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">DROP</text> +<polygon points="116,17 105,21 105,12" style="fill:rgb(0,0,0)"/> +<path d="M93,17L110,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M131,32L191,32A15 15 0 0 0 207 17A15 15 0 0 0 191 2L131,2A15 15 0 0 0 116 17A15 15 0 0 0 131 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="161" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">TRIGGER</text> +<polygon points="243,17 231,21 231,12" style="fill:rgb(0,0,0)"/> +<path d="M207,17L237,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M258,32A15 15 0 0 0 273 17A15 15 0 0 0 258 2A15 15 0 0 0 243 17A15 15 0 0 0 258 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="258" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">IF</text> +<polygon points="296,17 284,21 284,12" style="fill:rgb(0,0,0)"/> +<path d="M273,17L290,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M311,32L356,32A15 15 0 0 0 371 17A15 15 0 0 0 356 2L311,2A15 15 0 0 0 296 17A15 15 0 0 0 311 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="333" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">EXISTS</text> +<polygon points="425,17 413,21 413,12" style="fill:rgb(0,0,0)"/> +<path d="M371,17L419,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M440,32L536,32A15 15 0 0 0 551 17A15 15 0 0 0 536 2L440,2A15 15 0 0 0 425 17A15 15 0 0 0 440 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="488" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">schema-name</text> +<polygon points="574,17 563,21 563,12" style="fill:rgb(0,0,0)"/> +<path d="M551,17L569,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M589,32A15 15 0 0 0 605 17A15 15 0 0 0 589 2A15 15 0 0 0 574 17A15 15 0 0 0 589 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="589" y="17" text-anchor="middle" font-weight="bold" fill="rgb(0,0,0)" dominant-baseline="central">.</text> +<polygon points="641,17 629,21 629,12" style="fill:rgb(0,0,0)"/> +<path d="M605,17L635,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M656,32L747,32A15 15 0 0 0 762 17A15 15 0 0 0 747 2L656,2A15 15 0 0 0 641 17A15 15 0 0 0 656 32Z" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<text x="702" y="17" text-anchor="middle" fill="rgb(0,0,0)" dominant-baseline="central">trigger-name</text> +<polygon points="786,17 774,21 774,12" style="fill:rgb(0,0,0)"/> +<path d="M762,17L780,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<circle cx="789" cy="17" r="3.6" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="296,47 284,51 284,43" style="fill:rgb(0,0,0)"/> +<path d="M207,17 L 214,17 Q 222,17 222,32 L 222,32 Q 222,47 237,47 L 275,47 L 290,47" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M296,47 L 371,47 Q 386,47 386,32 L 386,32 Q 386,17 393,17 L 401,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<polygon points="488,47 476,51 476,43" style="fill:rgb(0,0,0)"/> +<path d="M392,17 L 400,17 Q 407,17 407,32 L 407,32 Q 407,47 422,47 L 467,47 L 482,47" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +<path d="M488,47 L 605,47 Q 620,47 620,32 L 620,32 Q 620,17 627,17 L 635,17" style="fill:none;stroke-width:2.16;stroke:rgb(0,0,0);" /> +</svg> +</div> +</div> + + +<p>The DROP TRIGGER statement removes a trigger created by the +<a href="lang_createtrigger.html">CREATE TRIGGER</a> statement. Once removed, the trigger definition is no +longer present in the <a href="schematab.html">sqlite_schema</a> (or sqlite_temp_schema) table and is +not fired by any subsequent INSERT, UPDATE or DELETE statements. + +<p>Note that triggers are automatically dropped when the associated table is +dropped. +<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_droptrigger.in?m=975cc0579703ac0d7">2020-06-19 13:05:24</a> UTC </small></i></p> + |