Add test for Patch with composite keys

ksql.go

@@ -841,7 +841,7 @@ func buildUpdateQuery(
 		"UPDATE %s SET %s WHERE %s",
 		dialect.Escape(tableName),
 		strings.Join(setQuery, ", "),
-		strings.Join(whereQuery, ", "),
+		strings.Join(whereQuery, " AND "),
 	)
 
 	return query, args, nil

test_adapters.go

@@ -44,9 +44,10 @@ type post struct {
 var userPermissionsTable = NewTable("user_permissions", "user_id", "perm_id")
 
 type userPermission struct {
-	ID     int `ksql:"id"`
+	ID     int    `ksql:"id"`
-	UserID int `ksql:"user_id"`
+	UserID int    `ksql:"user_id"`
-	PermID int `ksql:"perm_id"`
+	PermID int    `ksql:"perm_id"`
+	Type   string `ksql:"type"`
 }
 
 // RunTestsForAdapter will run all necessary tests for making sure
@@ -1462,6 +1463,43 @@ func PatchTest(
 			tt.AssertEqual(t, result.Name, "Thayane")
 		})
 
+		t.Run("should update tables with composite keys correctly", func(t *testing.T) {
+			db, closer := newDBAdapter(t)
+			defer closer.Close()
+
+			ctx := context.Background()
+			c := newTestDB(db, driver)
+
+			err = createUserPermission(db, c.dialect, userPermission{
+				UserID: 42,
+				PermID: 43,
+				Type:   "existingFakeType",
+			})
+			tt.AssertNoErr(t, err)
+
+			existingPerm, err := getUserPermissionBySecondaryKeys(db, c.dialect, 42, 43)
+			tt.AssertNoErr(t, err)
+			tt.AssertNotEqual(t, existingPerm.ID, 0)
+			tt.AssertEqual(t, existingPerm.Type, "existingFakeType")
+
+			err = c.Update(ctx, NewTable("user_permissions", "id", "user_id", "perm_id"), &userPermission{
+				ID:     existingPerm.ID,
+				UserID: 42,
+				PermID: 43,
+				Type:   "newFakeType",
+			})
+			tt.AssertNoErr(t, err)
+
+			newPerm, err := getUserPermissionBySecondaryKeys(db, c.dialect, 42, 43)
+			tt.AssertNoErr(t, err)
+			tt.AssertEqual(t, newPerm, userPermission{
+				ID:     existingPerm.ID,
+				UserID: 42,
+				PermID: 43,
+				Type:   "newFakeType",
+			})
+		})
+
 		t.Run("should ignore null pointers on partial updates", func(t *testing.T) {
 			db, closer := newDBAdapter(t)
 			defer closer.Close()
@@ -2387,6 +2425,7 @@ func createTables(driver string, connStr string) error {
 			id INTEGER PRIMARY KEY,
 			user_id INTEGER,
 			perm_id INTEGER,
+			type TEXT,
 			UNIQUE (user_id, perm_id)
 		)`)
 	case "postgres":
@@ -2394,6 +2433,7 @@ func createTables(driver string, connStr string) error {
 			id serial PRIMARY KEY,
 			user_id INT,
 			perm_id INT,
+			type VARCHAR(50),
 			UNIQUE (user_id, perm_id)
 		)`)
 	case "mysql":
@@ -2401,6 +2441,7 @@ func createTables(driver string, connStr string) error {
 			id INT AUTO_INCREMENT PRIMARY KEY,
 			user_id INT,
 			perm_id INT,
+			type VARCHAR(50),
 			UNIQUE KEY (user_id, perm_id)
 		)`)
 	case "sqlserver":
@@ -2408,6 +2449,7 @@ func createTables(driver string, connStr string) error {
 			id INT IDENTITY(1,1) PRIMARY KEY,
 			user_id INT,
 			perm_id INT,
+			type VARCHAR(50),
 			CONSTRAINT unique_1 UNIQUE (user_id, perm_id)
 		)`)
 	}
@@ -2488,6 +2530,42 @@ func getUserByName(db DBAdapter, driver string, result *user, name string) error
 	return json.Unmarshal(rawAddr, &result.Address)
 }
 
+func createUserPermission(db DBAdapter, dialect Dialect, userPerm userPermission) error {
+	_, err := db.ExecContext(context.TODO(),
+		`INSERT INTO user_permissions (user_id, perm_id, type)
+		VALUES (`+dialect.Placeholder(0)+`, `+dialect.Placeholder(1)+`, `+dialect.Placeholder(2)+`)`,
+		userPerm.UserID, userPerm.PermID, userPerm.Type,
+	)
+
+	return err
+}
+
+func getUserPermissionBySecondaryKeys(db DBAdapter, dialect Dialect, userID int, permID int) (userPermission, error) {
+	rows, err := db.QueryContext(context.TODO(),
+		`SELECT id, user_id, perm_id, type FROM user_permissions WHERE user_id=`+dialect.Placeholder(0)+` AND perm_id=`+dialect.Placeholder(1),
+		userID, permID,
+	)
+	if err != nil {
+		return userPermission{}, err
+	}
+	defer rows.Close()
+
+	if rows.Next() == false {
+		if rows.Err() != nil {
+			return userPermission{}, rows.Err()
+		}
+		return userPermission{}, sql.ErrNoRows
+	}
+
+	var result userPermission
+	err = rows.Scan(&result.ID, &result.UserID, &result.PermID, &result.Type)
+	if err != nil {
+		return userPermission{}, err
+	}
+
+	return result, nil
+}
+
 func getUserPermissionsByUser(db DBAdapter, driver string, userID int) (results []userPermission, _ error) {
 	dialect := supportedDialects[driver]