operating 3 or more database at the same time, Read/Write Splitting, have connection pool.
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- doubo82706 2016-10-15 12:14关注
Just create different variables (db connections) using the Open function of sql library
import "database/sql" import _ "github.com/go-sql-driver/mysql" func Connect() (*DB, *DB, *DB) { db1, err := sql.Open("mysql", "user1:password1@/dbname1") //check err db2, err := sql.Open("mysql", "user2:password2@/dbname2") //check err db3, err := sql.Open("mysql", "user3:password3@/dbname3") //check err return db1, db2, db3 }
And you can use them further absolutely separately.
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