Added db.go

db.go

@@ -0,0 +1,43 @@
+package main
+
+import (
+	// External
+	"github.com/jackc/pgx/v5/pgxpool"
+
+	// Standard
+	"context"
+	"fmt"
+)
+
+var (
+	db *pgxpool.Pool
+)
+
+func initDb(host string, port int, name, username, password string) (err error) {
+	// The main database connection is configured.
+	connString := fmt.Sprintf(
+		"host=%s port=%d user=%s password=%s dbname=%s sslmode=disable",
+		host,
+		port,
+		username,
+		password,
+		name,
+	)
+	db, err = pgxpool.New(context.Background(), connString)
+
+	// The schema upgrader keeps track of the SQL schema version and
+	// runs SQL scripts to upgrade it if necessary.
+	/*
+	upgrader := dbschema.NewUpgrader("_jsonstore")
+	upgrader.SetLogCallback(sqlLogCallback)
+	upgrader.SetSqlCallback(sqlSourceCallback)
+
+	_, err = upgrader.AddDatabaseInstance(db, config.Database.Db)
+	if err != nil {
+		return
+	}
+
+	err = upgrader.Run()
+	*/
+	return
+}