1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "predicates_utils.h"
17
18 #include <sstream>
19
20 namespace OHOS {
21 namespace NativeRdb {
PredicatesUtils()22 PredicatesUtils::PredicatesUtils()
23 {
24 }
25
26 /**
27 * Set the param of whereClause and bindArgs of the specified Predicates.
28 */
SetWhereClauseAndArgs(AbsPredicates * predicates,const std::string & whereClause,const std::vector<std::string> & whereArgs)29 void PredicatesUtils::SetWhereClauseAndArgs(
30 AbsPredicates *predicates, const std::string &whereClause, const std::vector<std::string> &whereArgs)
31 {
32 predicates->SetWhereClause(whereClause);
33 predicates->SetWhereArgs(whereArgs);
34 }
35
36 /**
37 * Set the param of whereClause and bindArgs of the specified Predicates.
38 */
SetWhereClauseAndArgs(AbsPredicates * predicates,const std::string & whereClause,const std::vector<ValueObject> & bindArgs)39 void PredicatesUtils::SetWhereClauseAndArgs(AbsPredicates *predicates, const std::string &whereClause,
40 const std::vector<ValueObject> &bindArgs)
41 {
42 predicates->SetWhereClause(whereClause);
43 predicates->SetBindArgs(bindArgs);
44 }
45
46 /**
47 * Sets params of the specified Predicates including distinct, index, group, order, limit and offset.
48 */
SetAttributes(AbsPredicates * predicates,bool isDistinct,const std::string & index,const std::string & group,const std::string & order,const int limit,const int offset)49 void PredicatesUtils::SetAttributes(AbsPredicates *predicates, bool isDistinct, const std::string &index,
50 const std::string &group, const std::string &order, const int limit, const int offset)
51 {
52 if (isDistinct) {
53 predicates->Distinct();
54 }
55 if (!index.empty()) {
56 predicates->IndexedBy(index);
57 }
58 if (!group.empty()) {
59 std::vector<std::string> groupArray;
60 std::istringstream iss(group);
61 std::string temp;
62 while (getline(iss, temp, ',')) {
63 groupArray.push_back(temp);
64 }
65 predicates->GroupBy(groupArray);
66 }
67 if (!order.empty()) {
68 predicates->SetOrder(order);
69 }
70 if (limit != AbsPredicates::INIT_LIMIT_VALUE) {
71 predicates->Limit(limit);
72 }
73 if (offset != AbsPredicates::INIT_OFFSET_VALUE) {
74 predicates->Offset(offset);
75 }
76 }
77 } // namespace NativeRdb
78 } // namespace OHOS