2017-05-27Siddon TangEngineering
This is the speech Siddon Tang gave at the 1st Rust Meetup in Beijing on April 16, 2017.
TiKVRustEngineering
2016-12-19PingCAPEngineering
TiDB code is updated and the procedure of adding built-in functions is greatly simplified. This document describes how to add built-in functions to TiDB.
TiDBEngineeringGolang
2016-12-07Fei HANEngineering
Subquery optimization, especially rewriting the correlated subquery, is a very difficult part in SQL query optimization. To be compatible with MySQL, TiDB enables users to write subqueries anywhere they want. For those subqueries that are not correlated, which are also called uncorrelated subqueries, TiDB evaluates in advance; for those correlated subqueries, TiDB removes the correlations as much as possible. For example, TiDB can rewrite a correlated subquery to `SemiJoin`. This article is focused on introducing the correlated subquery optimization methods in TiDB.
TiDBEngineeringGolang
2016-11-17Ivan YangEngineering
This document gives an overview of MVCC implementation in TiKV.
TiKVEngineeringRust
2016-11-15Ewan ChouEngineering
This document introduces the History Read feature in TiDB.
TiDBEngineeringGolang
2016-11-09PingCAPEngineering
This document introduces how TiKV works as a Key-Value database.
TiKVEngineeringRust
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