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upgrade script to delete tid:<tid>:read_by_uid

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This commit is contained in:
barisusakli
2014-09-27 17:57:56 -04:00
parent 34106aa209
commit 6535a730fd
1 changed files with 30 additions and 1 deletions
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31
src/upgrade.js
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@@ -19,7 +19,7 @@ var db = require('./database'),
schemaDate, thisSchemaDate,
// IMPORTANT: REMEMBER TO UPDATE VALUE OF latestSchema
latestSchema = Date.UTC(2014, 8, 8);
latestSchema = Date.UTC(2014, 8, 27);
Upgrade.check = function(callback) {
db.get('schemaDate', function(err, value) {
@@ -1013,6 +1013,35 @@ Upgrade.upgrade = function(callback) {
winston.info('[2014/9/8] Deleting old notifications skipped');
next();
}
},
function(next) {
thisSchemaDate = Date.UTC(2014, 8, 27);
if (schemaDate < thisSchemaDate) {
winston.info('[2014/9/27] Deleting tid:<tid>:read_by_uid...');
db.getSortedSetRange('topics:tid', 0, -1, function(err, tids) {
if (err) {
return next(err);
}
tids = tids.filter(Boolean);
var readKeys = tids.map(function(tid) {
return 'tid:' + tid + ':read_by_uid';
});
db.deleteAll(readKeys, function(err, results) {
if (err) {
winston.error('[2014/9/27] Error encountered while deleting tid:<tid>:read_by_uid');
return next(err);
}
winston.info('[2014/9/27] Deleted tid:<tid>:read_by_uid');
Upgrade.update(thisSchemaDate, next);
});
});
} else {
winston.info('[2014/9/27] Deleting tid:<tid>:read_by_uid skipped');
next();
}
}
// Add new schema updates here
// IMPORTANT: REMEMBER TO UPDATE VALUE OF latestSchema IN LINE 22!!!