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closes #2594

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This commit is contained in:
barisusakli
2015-01-13 17:15:10 -05:00
parent a8c818c6cd
commit fd2edcaf6f
6 changed files with 146 additions and 55 deletions
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66
src/upgrade.js
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@@ -21,7 +21,7 @@ var db = require('./database'),
schemaDate, thisSchemaDate,
// IMPORTANT: REMEMBER TO UPDATE VALUE OF latestSchema
latestSchema = Date.UTC(2015, 0, 13);
latestSchema = Date.UTC(2015, 0, 14);
Upgrade.check = function(callback) {
db.get('schemaDate', function(err, value) {
@@ -566,6 +566,70 @@ Upgrade.upgrade = function(callback) {
winston.info('[2015/01/13] Creating uid:followed_tids sorted set skipped');
next();
}
},
function(next) {
thisSchemaDate = Date.UTC(2015, 0, 14);
if (schemaDate < thisSchemaDate) {
winston.info('[2015/01/14] Upgrading follow sets to sorted sets');
db.getSortedSetRange('users:joindate', 0, -1, function(err, uids) {
if (err) {
winston.error('[2014/01/14] Error encountered while Upgrading follow sets to sorted sets');
return next(err);
}
var now = Date.now();
async.eachLimit(uids, 50, function(uid, next) {
async.parallel({
following: function(next) {
db.getSetMembers('following:' + uid, next);
},
followers: function(next) {
db.getSetMembers('followers:' + uid, next);
}
}, function(err, results) {
function updateToSortedSet(set, uids, callback) {
async.eachLimit(uids, 50, function(uid, next) {
if (parseInt(uid, 10)) {
db.sortedSetAdd(set, now, uid, next);
} else {
next();
}
}, callback);
}
if (err) {
return next(err);
}
async.parallel([
async.apply(db.delete, 'following:' + uid),
async.apply(db.delete, 'followers:' + uid)
], function(err) {
if (err) {
return next(err);
}
async.parallel([
async.apply(updateToSortedSet, 'following:' + uid, results.following),
async.apply(updateToSortedSet, 'followers:' + uid, results.followers),
async.apply(db.setObjectField, 'user:' + uid, 'followingCount', results.following.length),
async.apply(db.setObjectField, 'user:' + uid, 'followerCount', results.followers.length),
], next);
});
});
}, function(err) {
if (err) {
winston.error('[2015/01/14] Error encountered while Upgrading follow sets to sorted sets');
return next(err);
}
winston.info('[2015/01/14] Upgrading follow sets to sorted sets done');
Upgrade.update(thisSchemaDate, next);
});
});
} else {
winston.info('[2015/01/14] Upgrading follow sets to sorted sets skipped');
next();
}
}
// Add new schema updates here