ydn.db
Version:
Javascript database library for IndexedDB, WebDatabase (WebSQL) and WebStorage (localStorage) storage mechanisms supporting version migration, advanced query and transaction workflow.
36 lines (33 loc) • 1.32 kB
HTML
<html>
<head lang="en">
<meta charset="UTF-8">
<title>Full text search on websql</title>
</head>
<body>
<pre id="output"></pre>
<script src="//cdn.jsdelivr.net/jquery/2.1.1/jquery.js"></script>
<script>
var $output = $('#output');
var db = openDatabase('fts_demo', 1, 'fts_demo', 5000000);
db.transaction(function (tx){
function onReady() {
var content = 'WebSQL has full-text search!';
$output.append('\nText is: "' + content + '"');
tx.executeSql('insert into doc values (?)', [content], function () {
var terms = ['websql', 'text', 'search', 'searches', 'searching', 'indexeddb']
terms.forEach(function (term) {
tx.executeSql('select count(*) as count from doc where content match ?',
[term], function (tx, res) {
console.log(res.rows);
var count = res.rows.item(0).count;
$output.append('\nTerm "' + term + '" matches: ' + count);
});
});
});
}
tx.executeSql('create virtual table doc using fts3(content text, tokenize=porter);', [], onReady, onReady);
});
</script>
</body>
</html>