t.Errorf("errors happened when query first: %v", err)
		} else {
			CheckUser(t, first, users[0])
		}
	})

	t.Run("Last", func(t *testing.T) {
		var last User
		if err := DB.Where("name = ?", "find").Last(&last).Error; err != nil {
			t.Errorf("errors happened when query last: %v", err)
		} else {
			CheckUser(t, last, users[2])
		}
	})

	var all []User

		xhttp.AmzSignature,
	)

	// Add missing query parameters if any provided in the request URL
	for k, v := range req.Form {
		if !defaultSigParams.Contains(k) {
			query[k] = v
		}
	}

	// Get the encoded query.
	encodedQuery := query.Encode()

	// Verify if date query is same.
	if req.Form.Get(xhttp.AmzDate) != query.Get(xhttp.AmzDate) {
		return ErrSignatureDoesNotMatch
	}

		ki.Error = err.Error()
	}
	return ki
}

func fetchHealthInfo(healthCtx context.Context, objectAPI ObjectLayer, query *url.Values, healthInfoCh chan madmin.HealthInfo, healthInfo madmin.HealthInfo) {
	hostAnonymizer := createHostAnonymizer()

	anonParam := query.Get(anonymizeParam)
	// anonAddr - Anonymizes hosts in given input string
	// (only if the anonymize param is set to srict).

	metricsRouter.Handle(prometheusMetricsV2ResourcePath, auth(metricsResourceHandler()))

	// Metrics v3!
	metricsV3Server := newMetricsV3Server(authType)

	// Register metrics v3 handler. It also accepts an optional query
	// parameter `?list` - see handler for details.
	metricsRouter.Methods(http.MethodGet).Path(metricsV3Path + "{pathComps:.*}").Handler(metricsV3Server)

	// Logger
	Logger logger.Interface
	// NowFunc the function to be used when creating a new timestamp
	NowFunc func() time.Time
	// DryRun generate sql without execute
	DryRun bool
	// PrepareStmt executes the given query in cached statement
	PrepareStmt bool
	// DisableAutomaticPing
	DisableAutomaticPing bool
	// DisableForeignKeyConstraintWhenMigrating
	DisableForeignKeyConstraintWhenMigrating bool
	// IgnoreRelationshipsWhenMigrating

		t.Errorf("Failed, got error: %v", err)
	}

	if DB.First(&Coupon{}, "id = ?", coupon.ID).Error != nil {
		t.Errorf("Failed to query saved coupon")
	}

	if DB.First(&CouponProduct{}, "coupon_id = ? AND product_id = ?", coupon.ID, "full-save-association-product1").Error != nil {
		t.Errorf("Failed to query saved association")
	}

	orders := []Order{{Num: "order1", Coupon: coupon}, {Num: "order2", Coupon: coupon}}

func (where Where) Build(builder Builder) {
	if len(where.Exprs) == 1 {
		if andCondition, ok := where.Exprs[0].(AndConditions); ok {
			where.Exprs = andCondition.Exprs
		}
	}

	// Switch position if the first query expression is a single Or condition
	for idx, expr := range where.Exprs {
		if v, ok := expr.(OrConditions); !ok || len(v.Exprs) > 1 {
			if idx != 0 {
				where.Exprs[0], where.Exprs[idx] = where.Exprs[idx], where.Exprs[0]

			t.Errorf("Should have two users having name %v", users[1].Name)
		}
	}
}

func TestQueryRaw(t *testing.T) {
	users := []*User{
		GetUser("row_query_user", Config{}),
		GetUser("row_query_user", Config{}),
		GetUser("row_query_user", Config{}),
	}
	DB.Create(&users)

	var user User
	DB.Raw("select * from users WHERE id = ?", users[1].ID).First(&user)
	CheckUser(t, user, *users[1])
}

	errLikeInvalidEscape = errors.New("LIKE clause has invalid ESCAPE character")
	errNotImplemented    = errors.New("not implemented")
)

// AST Node Evaluation functions
//
// During evaluation, the query is known to be valid, as analysis is
// complete. The only errors possible are due to value type
// mismatches, etc.
//
// If an aggregation node is present as a descendant (when

		t.Fatal(err)
	}

	// Look for expected method.
	if res.Method != http.MethodGet {
		t.Fatalf("Unexpected method %s, expected 'GET'", res.Method)
	}

	// Look for expected query values
	expectedQuery := url.Values{}
	expectedQuery.Set("prefix", "Hello*World*")
	expectedQuery.Set("X-Amz-Algorithm", "AWS4-HMAC-SHA256")