// same nested structure
					if _, ok := joinedNestedSchemaMap[fullRelsName]; !ok {
						if value := reflect.ValueOf(values[idx]).Elem(); value.Kind() == reflect.Ptr && value.IsNil() {
							isNilPtrValue = true
							break
						}

						relValue.Set(reflect.New(relValue.Type().Elem()))
						joinedNestedSchemaMap[fullRelsName] = nil
					}
				}
				currentReflectValue = relValue
			}

			tx.AddError(result.Error)
		}

		if tx.Error != nil || int(result.RowsAffected) < batchSize {
			break
		}

		if totalSize > 0 {
			if totalSize <= int(rowsAffected) {
				break
			}
			if totalSize/batchSize == batch {
				batchSize = totalSize % batchSize
			}
		}

		// Optimize for-break
		resultsValue := reflect.Indirect(reflect.ValueOf(dest))

				if config.LastInsertIDReversed {
					for i := db.Statement.ReflectValue.Len() - 1; i >= 0; i-- {
						rv := db.Statement.ReflectValue.Index(i)
						if reflect.Indirect(rv).Kind() != reflect.Struct {
							break
						}

						_, isZero := pkField.ValueOf(db.Statement.Context, rv)
						if isZero {
							db.AddError(pkField.Set(db.Statement.Context, rv, insertID))
							insertID -= pkField.AutoIncrementIncrement

									gussNestedRelations = append(gussNestedRelations, relation)
									currentRelations = relation.FieldSchema.Relationships.Relations
								} else {
									isNestedJoin = false
									break
								}
							}

							if isNestedJoin {
								isRelations = true
								relations = gussNestedRelations
							}
						}
					}

					if isRelations {

				for _, dbName := range stmt.Schema.DBNames {
					var foundColumn gorm.ColumnType

					for _, columnType := range columnTypes {
						if columnType.Name() == dbName {
							foundColumn = columnType
							break
						}
					}

					if foundColumn == nil {
						// not found, add column
						if err = execTx.Migrator().AddColumn(value, dbName); err != nil {
							return err
						}
					} else {

	for _, field := range schema.Fields {
		if field.TagSettings["INDEX"] != "" || field.TagSettings["UNIQUEINDEX"] != "" {
			fieldIndexes, err := parseFieldIndexes(field)
			if err != nil {
				schema.err = err
				break
			}
			for _, index := range fieldIndexes {
				idx := indexes[index.Name]
				idx.Name = index.Name
				if idx.Class == "" {
					idx.Class = index.Class
				}
				if idx.Type == "" {

	} else {
		for _, t1 := range []string{"users", "accounts", "pets", "companies", "toys", "languages", "tools"} {
			hasTable := false
			for _, t2 := range tables {
				if t2 == t1 {
					hasTable = true
					break
				}
			}
			if !hasTable {
				t.Fatalf("Failed to get table %v when GetTables", t1)
			}
		}
	}

	for _, m := range allModels {
		if !DB.Migrator().HasTable(m) {

				var isZero bool
				for i := 0; i < size; i++ {
					for _, field := range stmt.Schema.PrimaryFields {
						_, isZero = field.ValueOf(stmt.Context, stmt.ReflectValue.Index(i))
						if !isZero {
							break
						}
					}
				}

				if !isZero {
					_, primaryValues := schema.GetIdentityFieldValuesMap(stmt.Context, stmt.ReflectValue, stmt.Schema.PrimaryFields)

										conds = append(conds, clause.Eq{Column: clause.Column{Table: clause.CurrentTable, Name: field.Name}, Value: v})
									}
								}
							}
						}
					}
				}

				if restricted {
					break
				}
			} else if !reflectValue.IsValid() {
				stmt.AddError(ErrInvalidData)
			} else if len(conds) == 0 {
				if len(args) == 1 {
					switch reflectValue.Kind() {
					case reflect.Slice, reflect.Array:

	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]
			}
			break
		}
	}

	buildExprs(where.Exprs, builder, AndWithSpace)
}

func buildExprs(exprs []Expression, builder Builder, joinCond string) {
	wrapInParentheses := false

	for idx, expr := range exprs {