•  23-06-2023
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题

I'm having trouble deleting my PouchDB to reset my jQuery Mobile app.

(Equivalent jsFiddle: http://jsfiddle.net/bYR8c/2/)

I have in app.js:

var db = new PouchDB('petrolog');

function resetDb(){
    db.destroy(function(err, info) { console.log('Error: ' + err); 
       console.log('Info: ' + info); }); //this is line 38, referenced in errors below
    showFillups(); //redraws the UI
}

and in index.html:

<head>
<script src="http://download.pouchdb.com/pouchdb-nightly.js"></script>
</head>

<body>
<a id="btnResetDb" class="ui-shadow ui-btn ui-corner-all">Erase all fillups</a>

<script> $('#btnResetDb').click(function(event){resetDb();}); </script>
</body>

When I click the button, I get the following from FireBug:

Error: null        app.js (line 38)
Info: undefined    app.js (line 38)

these correspond to my db.destroy() instruction in resetDb()

Any suggestions? I've already checked the API docs at http://pouchdb.com/api.html#delete_database but didn't find much help there.

有帮助吗？

解决方案

The destroy() method doesn't actually return anything for info. The fact that error is null indicates that everything was successful.

This is actually a bug in the documentation of PouchDB, which we'll fix.

FWIW, though, your jsfiddle doesn't work for unrelated reasons: the fiddle environment doesn't seem to have access to any local databases, so in Firefox I see Error: No valid adapter found.

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