This crate aims to make it extremely simple to implement UDFs for SQL, in a\nminimally error-prone fashion. Make a struct or enum that will share data between initializing and processing\nsteps (it ...

User-defined functions (UDFs) extend the capabilities of SQL by improving code reusability and encapsulating complex logic, but can hinder the performance due to optimization and execution ...

This section discusses some of the details of the interface between DB2 and a UDF, and discusses the sqludf.h include file which makes the interface manageable. This include file only applies to C and ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Stored Procedures are pre-compile database objects which are compiled for first time and execution plan is saved for further use. However UDF is compiled and executed every time when it is ...

前言 DBT：數據團隊可以使用 DBT 來進行 ETL 的 Transformation 階段，透過 DBT 可以管理數據表間的關聯、檢測數據等功能 Bigquery UDF：BQ 上可以創建自定義的函式，叫做 UDF，常用的計算 (例如將時間字串 parse 為 datetime) 可以寫成 UDF 來確保每次轉換數據時用的做法一致且能節省時間 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

While the solution for the problem in my other thread works for the time being, I'd like to still attempt to create a replacement for SQL's checksum() function, so I can get checksums that include ...