Dexie.UpgradeError()

Inheritance Hierarchy

Description

Happens when the database could not be upgraded.

Sample using Promise.catch()

doSomeDatabaseWork().then(function(){
    // Success
}).catch(Dexie.UpgradeError, function (e) {
    // Failed with UpgradeError
    console.error ("Upgrade error: " + e.message);
}).catch(Error, function (e) {
    // Any other error derived from standard Error
    console.error ("Error: " + e.message);
}).catch(function (e) {
    // Other error such as a string was thrown
    console.error (e);
});

Sample: switch(error.name)

db.on('error', function (error) {
    switch (error.name) {
        // errnames.Upgrade ==="UpgradeError"
        case Dexie.errnames.Upgrade:
            console.error ("Upgrade error");
            break;
        default:
            console.error ("error: " + e);
    }
});

Properties

nameWill always be Dexie.errnames.Upgrade === "UpgradeError"
messageDetailed message
inner?Inner exception instance (if any)
stackCan be present if the error was thrown. If signaled, there wont be any call stack.

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