mindspore2022/ccsrc/minddata/mindrecord/meta/shard_index.cc

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+/**
+ * Copyright 2019 Huawei Technologies Co., Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "minddata/mindrecord/include/shard_index.h"//按照路径寻找以下文件，导入到本文件
+
+namespace mindspore {//创建名为mindspore的空间
+namespace mindrecord {//创建名为mindrecord的空间
+// table name for index索引的表名
+const char TABLENAME[] = "index_table";
+//调用Index类中Index函数给成员变量database_name_、table_name_赋值
+Index::Index() : database_name_(""), table_name_(TABLENAME) {}
+//创建Index空间下void型AddIndexField函数,调用fields_类中emplace_back函数
+void Index::AddIndexField(const int64_t &schemaId, const std::string &field) {
+  fields_.emplace_back(pair<int64_t, string>(schemaId, field));
+}
+
+// Get attribute list获取属性列表
+std::vector<std::pair<uint64_t, std::string>> Index::GetFields() { return fields_; }
+}  // namespace mindrecord
+}  // namespace mindspore