milvus/core/src/server/delivery/request/DescribeCollectionRequest.cpp
groot e25c5af2d7
rename table to collection (#1888)
* rename table to collection

Signed-off-by: groot <yihua.mo@zilliz.com>

* rename collection

Signed-off-by: groot <yihua.mo@zilliz.com>

* rename

Signed-off-by: groot <yihua.mo@zilliz.com>

* Update change log

Signed-off-by: JinHai-CN <hai.jin@zilliz.com>

Co-authored-by: JinHai-CN <hai.jin@zilliz.com>
2020-04-10 19:17:33 +08:00

80 lines
3.3 KiB
C++

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// 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 "server/delivery/request/DescribeCollectionRequest.h"
#include "server/DBWrapper.h"
#include "utils/Log.h"
#include "utils/TimeRecorder.h"
#include "utils/ValidationUtil.h"
#include <fiu-local.h>
#include <memory>
namespace milvus {
namespace server {
DescribeCollectionRequest::DescribeCollectionRequest(const std::shared_ptr<milvus::server::Context>& context,
const std::string& collection_name, CollectionSchema& schema)
: BaseRequest(context, BaseRequest::kDescribeCollection), collection_name_(collection_name), schema_(schema) {
}
BaseRequestPtr
DescribeCollectionRequest::Create(const std::shared_ptr<milvus::server::Context>& context,
const std::string& collection_name, CollectionSchema& schema) {
return std::shared_ptr<BaseRequest>(new DescribeCollectionRequest(context, collection_name, schema));
}
Status
DescribeCollectionRequest::OnExecute() {
std::string hdr = "DescribeCollectionRequest(collection=" + collection_name_ + ")";
TimeRecorderAuto rc(hdr);
try {
// step 1: check arguments
auto status = ValidationUtil::ValidateCollectionName(collection_name_);
if (!status.ok()) {
return status;
}
// step 2: get collection info
// only process root collection, ignore partition collection
engine::meta::CollectionSchema collection_schema;
collection_schema.collection_id_ = collection_name_;
status = DBWrapper::DB()->DescribeCollection(collection_schema);
fiu_do_on("DescribeCollectionRequest.OnExecute.describe_collection_fail",
status = Status(milvus::SERVER_UNEXPECTED_ERROR, ""));
fiu_do_on("DescribeCollectionRequest.OnExecute.throw_std_exception", throw std::exception());
if (!status.ok()) {
if (status.code() == DB_NOT_FOUND) {
return Status(SERVER_COLLECTION_NOT_EXIST, CollectionNotExistMsg(collection_name_));
} else {
return status;
}
} else {
if (!collection_schema.owner_collection_.empty()) {
return Status(SERVER_INVALID_COLLECTION_NAME, CollectionNotExistMsg(collection_name_));
}
}
schema_.collection_name_ = collection_schema.collection_id_;
schema_.dimension_ = static_cast<int64_t>(collection_schema.dimension_);
schema_.index_file_size_ = collection_schema.index_file_size_;
schema_.metric_type_ = collection_schema.metric_type_;
} catch (std::exception& ex) {
return Status(SERVER_UNEXPECTED_ERROR, ex.what());
}
return Status::OK();
}
} // namespace server
} // namespace milvus