Nov 13, 2021
How Wasm Powers Databases: Building a UDF Engine
How Wasm Powers Databases: Building a UDF Engine
This article is based on a project at TiDB Hackathon 2020. User-defined functions (UDFs) are an important extension to the SQL language. When you want to do customized computations in a database, you can write the desired computation logic as a UDF and pass it to the database. But not all DBMSs accept UDFs. For those that don’t, a UDF engine is the solution we need. That’s why we built a UDF…
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