1/** 2 * @file Describe the file 3 * Copyright (c) 2023 Huawei Device Co., Ltd. 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17import data_rdb from '@ohos.data.relationalStore'; 18 19/** 20 * 判断ValuesBucket中是否包含某Key的值 21 * 22 * @param values 待检查的ValuesBucket 23 * @param key 待检测的key 24 */ 25export function isContainsKey(values: data_rdb.ValuesBucket, key: string): boolean { 26 if (values === null || values === undefined) { 27 return false; 28 } 29 if (key === null || key === undefined) { 30 return false; 31 } 32 return values[key] !== null && values[key] !== undefined; 33} 34 35/** 36 * 判断ValuesBucket中是否包含一组Key中的某Key的值 37 * 38 * @param values 待检查的ValuesBucket 39 * @param key 待检测的一组key 40 */ 41export function isContainsOneOfKeys(values: data_rdb.ValuesBucket, keys: Array<string>): boolean { 42 if (values === null || values === undefined) { 43 return false; 44 } 45 if (keys === null || keys === undefined || keys.length === 0) { 46 return false; 47 } 48 for (let key of keys) { 49 if (isContainsKey(values, key)) { 50 return true; 51 } 52 } 53 return false; 54} 55 56/** 57 * 判断ValuesBucket中是否包含一组Key中所有Key的值 58 * 59 * @param values 待检查的ValuesBucket 60 * @param key 待检测的一组key 61 */ 62export function isContainsAllKeys(values: data_rdb.ValuesBucket, keys: Array<string>): boolean { 63 if (values === null || values === undefined) { 64 return false; 65 } 66 if (keys === null || keys === undefined || keys.length === 0) { 67 return false; 68 } 69 for (let key of keys) { 70 if (!isContainsKey(values, key)) { 71 return false; 72 } 73 } 74 return true; 75}