} else {
			expr.Build(builder)
		}
	}
}

// MergeClause merge where clauses
func (where Where) MergeClause(clause *Clause) {
	if w, ok := clause.Expression.(Where); ok {
		exprs := make([]Expression, len(w.Exprs)+len(where.Exprs))
		copy(exprs, w.Exprs)
		copy(exprs[len(w.Exprs):], where.Exprs)
		where.Exprs = exprs
	}

	clause.Expression = where
}

func And(exprs ...Expression) Expression {

					db.AddError(db.Session(&gorm.Session{NewDB: true}).Clauses(clause.OnConflict{DoNothing: true}).Session(&gorm.Session{
						SkipHooks:                db.Statement.SkipHooks,
						DisableNestedTransaction: true,
					}).Create(joins.Interface()).Error)
				}
			}
		}
	}
}

func onConflictOption(stmt *gorm.Statement, s *schema.Schema, defaultUpdatingColumns []string) (onConflict clause.OnConflict) {

        final BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        for (final BooleanClause clause : booleanQuery.clauses()) {
            final QueryBuilder queryBuilder = getQueryProcessor().execute(context, clause.query(), boost);
            if (queryBuilder != null) {
                switch (clause.occur()) {
                case MUST:
                    boolQuery.must(queryBuilder);
                    break;

		GetUser("delete-returning-2", Config{}),
		GetUser("delete-returning-3", Config{}),
	}
	DB.Create(&users)

	var results []User
	DB.Where("name IN ?", []string{users[0].Name, users[1].Name}).Clauses(clause.Returning{}).Delete(&results)
	if len(results) != 2 {
		t.Errorf("failed to return delete data, got %v", results)
	}

	var count int64

		db.cacheStore.Store(preparedStmtDBKey, preparedStmt)
		db.ConnPool = preparedStmt
	}

	db.Statement = &Statement{
		DB:       db,
		ConnPool: db.ConnPool,
		Context:  context.Background(),
		Clauses:  map[string]clause.Clause{},
	}

	if err == nil && !config.DisableAutomaticPing {
		if pinger, ok := db.ConnPool.(interface{ Ping() error }); ok {
			err = pinger.Ping()
		}
	}

	if err != nil {

		t.Errorf("Not error should happen when updating with gorm expr, but got %v", err)
	}

	if err := DB.Model(&results[1]).Clauses(clause.Returning{Columns: []clause.Column{{Name: "age"}}}).Updates(map[string]interface{}{"age": gorm.Expr("age + ?", 100)}).Error; err != nil {
		t.Errorf("Not error should happen when updating with gorm expr, but got %v", err)
	}

    }

    // Test addQuery with no clauses added
    public void test_addQuery_withNoClauses() {
        queryContext = new QueryContext("test", false);
        QueryBuilder initialQuery = QueryBuilders.termQuery("field", "value");
        queryContext.setQueryBuilder(initialQuery);

        queryContext.addQuery(boolQuery -> {
            // Don't add any clauses
        });

		t.Fatalf("Build OR condition, but got %v", result.Statement.SQL.String())
	}

	sub := dryDB.Clauses(clause.Where{
		Exprs: []clause.Expression{
			clause.OrConditions{
				Exprs: []clause.Expression{
					clause.Expr{SQL: "role = ?", Vars: []interface{}{"super_admin"}},
					clause.Expr{SQL: "role = ?", Vars: []interface{}{"admin"}},
				},
			},
		},
	})
	result = dryDB.Where(sub).Find(&User{})

		OtherID: "1234",
		Data:    "something",
	}

	DB.Create(&thing)

	thing2 := Thing{
		SomeID:  "1234",
		OtherID: "1234",
		Data:    "something else",
	}

	result := DB.Clauses(clause.OnConflict{
		OnConstraint: "some_id_other_id_unique",
		UpdateAll:    true,
	}).Create(&thing2)
	if result.Error != nil {
		t.Errorf("creating second thing: %v", result.Error)
	}

	var things []Thing

		OtherID: "1234",
		Data:    "something",
	}

	DB.Create(&thing)

	thing2 := Thing{
		SomeID:  "1234",
		OtherID: "1234",
		Data:    "something else",
	}

	result := DB.Clauses(clause.OnConflict{
		OnConstraint: "some_id_other_id_unique",
		UpdateAll:    true,
	}).Create(&thing2)
	if result.Error != nil {
		t.Errorf("creating second thing: %v", result.Error)
	}

	var things []Thing