Overhaul database package

perf/go/perf_migratedb/main.go

Index: perf/go/perf_migratedb/main.go
diff --git a/perf/go/perf_migratedb/main.go b/perf/go/perf_migratedb/main.go
index 28021f775cded8709969db6f50607c7216bced02..09c5139f75e4eab1e2b3b6900062c409a7ed2981 100644
--- a/perf/go/perf_migratedb/main.go
+++ b/perf/go/perf_migratedb/main.go
@@ -18,14 +18,15 @@ import (
 )
 
 func main() {
-	common.Init()
-	defaultConnStr := strings.Replace(db.DB_CONN_TMPL, "%s", "root", 1)
+	defaultConnStr := fmt.Sprintf(database.DB_CONN_TMPL, database.USER_ROOT, "%s", db.PROD_DB_HOST, db.PROD_DB)
 
 	// flags
 	dbConnString := flag.String("db_conn_string", defaultConnStr, "\n\tDatabase string to open connect to the MySQL database. "+
 		"\n\tNeeds to follow the format of the golang-mysql driver (https://github.com/go-sql-driver/mysql."+
 		"\n\tIf the string contains %s the user will be prompted to enter a password which will then be used for subtitution.")
 
+	common.Init()
+
 	var connectionStr = *dbConnString
 
 	// if it contains formatting information read the password from stdin.