FGFS-4.1/flightgear-airports-old
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Migrate Database

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This commit is contained in:
portree_kid 2020-03-05 16:50:59 +01:00
parent 2213e09067
commit 8cd9bb243e
1 changed files with 24 additions and 3 deletions
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27
src/renderer/store/api/airports.js
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@ -24,9 +24,30 @@ export default {
};
request.onupgradeneeded = e => {
console.log('onupgradeneeded');
let db = e.target.result;
db.createObjectStore("airports", { autoIncrement: true, keyPath:'properties.icao' });
var db = event.target.result;
console.log("Migrate " + event);
if (event.oldVersion < 1) {
// Version 1 is the first version of the database.
var objectStore = db.createObjectStore("airports", { keyPath: "properties.icao" });
}
if (event.oldVersion < 2) {
// Version 2 is the first version of the database.
var objectStore = event.target.transaction.objectStore("airports");
var indexNames = objectStore.indexNames;
var desiredKeyPathForMyIndex = "properties.icao";
console.log(indexNames);
if(indexNames.contains('icaoIndex')) {
var myIndex = objectStore.index('icaoIndex');
var currentKeyPath = myIndex.keyPath;
if(currentKeyPath != desiredKeyPathForMyIndex) {
objectStore.deleteIndex('icaoIndex');
objectStore.createIndex('icaoIndex', desiredKeyPathForMyIndex);
}
} else {
objectStore.createIndex('icaoIndex', desiredKeyPathForMyIndex);
}
}
};
});
},