tisonkun commented on code in PR #620:
URL: https://github.com/apache/incubator-kvrocks/pull/620#discussion_r889566487
##########
src/storage.cc:
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@@ -209,9 +210,16 @@ Status Storage::CreateColumnFamilies(const
rocksdb::Options &options) {
tmp_db->Close();
delete tmp_db;
}
- // Open db would be failed if the column families have already exists,
Review Comment:
Is it possible we check exact that it failed because of "already exists"
instead of "NOT column families not opened"? I'm afraid there is still some
edge case we miss.
Also, shall we prefer C++ idiom and thus check strings with `<string>`? That
means:
* `s.ToString().rfind(notOpenedPrefix, 0) != 0`
over
* `!strncasecmp(s.ToString().c_str(), notOpenedPrefix.c_str(),
notOpenedPrefix.size())`
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