Dexie.UpgradeError

Inheritance Hierarchy

• Error
  • Dexie.DexieError
    • Dexie.UpgradeError

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, funtion (e) {
    // Any other error derived from standard Error
    console.error ("Error: " + e.message);
}).catch(funtion (e) {
    // Other error such as a string was thrown
    console.error (e);
});

Sample: switch(error.name)

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

Properties

name	Will always be Dexie.errnames.Upgrade === "UpgradeError"
message	Detailed message
inner?	Inner exception instance (if any)
stack	Can be present if the error was thown. If signaled, there wont be any call stack.