Beerus-DB

Beerus-DB is a database operation framework, currently only supports Mysql, Use [go-sql-driver/mysql] to do database connection and basic operations, based on this do a lot of extensions, such as, connection pool management, multiple data sources, transaction management, single table no sql operation, multiple tables and complex operations can write their own sql, sql support {} placeholder, can use struct as parameters to operate the database, etc.