Add some example

README.md

@@ -30,3 +30,8 @@ postgresql://username:password@127.0.0.1:5432/database?sslmode=disable
 sqlite:///data/database.sqlite
 sqlite3:///data/database.sqlite
 ```
+
+## Examples
+
+```go
+```

main.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"io/ioutil"
+	"path/filepath"
+
+	"github.com/vladimirok5959/golang-sql/gosql"
+)
+
+func main() {
+	// Get temp file name
+	f, err := ioutil.TempFile("", "go-sqlite-")
+	if err != nil {
+		panic(fmt.Sprintf("%s", err))
+	}
+	f.Close()
+
+	// Set migration directory
+	migrationsDir, err := filepath.Abs("./db/migrations")
+	if err != nil {
+		panic(fmt.Sprintf("%s", err))
+	}
+
+	// Open DB connection, SQLite is used as example
+	// You can use here MySQL or PostgreSQL, just change dbURL
+	db, err := gosql.Open("sqlite://"+f.Name(), migrationsDir, true)
+	if err != nil {
+		panic(fmt.Sprintf("%s", err))
+	}
+
+	// DB struct here ./db/migrations/20220527233113_test_migration.sql
+	// Insert some data to users table:
+	if _, err := db.Exec(
+		context.Background(),
+		"INSERT INTO users (id, name) VALUES ($1, $2)",
+		5, "john",
+	); err != nil {
+		panic(fmt.Sprintf("%s", err))
+	}
+
+	// Select all rows from users table:
+	if rows, err := db.Query(
+		context.Background(),
+		"SELECT id, name FROM users ORDER BY id DESC",
+	); err == nil {
+		type rowStruct struct {
+			ID   int64
+			Name string
+		}
+		defer rows.Close()
+		for rows.Next() {
+			var row rowStruct
+			if err := rows.Scan(&row.ID, &row.Name); err != nil {
+				panic(fmt.Sprintf("%s", err))
+			}
+			fmt.Printf("ID: %d, Name: %s\n", row.ID, row.Name)
+		}
+		if err := rows.Err(); err != nil {
+			panic(fmt.Sprintf("%s", err))
+		}
+	} else {
+		panic(fmt.Sprintf("%s", err))
+	}
+
+	// Close DB connection
+	if err := db.Close(); err != nil {
+		panic(fmt.Sprintf("%s", err))
+	}
+}