Last two weeks, we landed 25 PRs in the TiDB repositories.
Fix a bug in HashJoin executor: some errors are ignored.
Change string default collation to utf8_bin. We do not support case insensitive comparation yet.
Last week, We landed 14 PRs in the TiKV repositories.
cut_idx_key for row value analysis in coprocessor.
Extract an interface to support different snapshot format.