mirror of https://gitee.com/bigwinds/arangodb
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2014-2016 ArangoDB GmbH, Cologne, Germany
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/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
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///
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/// Licensed under the Apache License, Version 2.0 (the "License");
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/// you may not use this file except in compliance with the License.
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/// You may obtain a copy of the License at
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///
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/// http://www.apache.org/licenses/LICENSE-2.0
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///
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/// Unless required by applicable law or agreed to in writing, software
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/// distributed under the License is distributed on an "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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/// See the License for the specific language governing permissions and
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/// limitations under the License.
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///
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/// Copyright holder is ArangoDB GmbH, Cologne, Germany
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///
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/// @author Kaveh Vahedipour
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/// @author Matthew Von-Maszewski
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////////////////////////////////////////////////////////////////////////////////
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#include "DropIndex.h"
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#include "ApplicationFeatures/ApplicationServer.h"
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#include "Basics/VelocyPackHelper.h"
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#include "Cluster/ClusterFeature.h"
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#include "Utils/DatabaseGuard.h"
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#include "VocBase/Methods/Collections.h"
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#include "VocBase/Methods/Indexes.h"
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#include "VocBase/Methods/Databases.h"
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using namespace arangodb::application_features;
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using namespace arangodb::maintenance;
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using namespace arangodb::methods;
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using namespace arangodb;
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DropIndex::DropIndex(
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MaintenanceFeature& feature, ActionDescription const& d) :
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ActionBase(feature, d) {
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std::stringstream error;
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if (!d.has(COLLECTION)) {
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error << "collection must be specified. ";
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}
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TRI_ASSERT(d.has(COLLECTION));
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if (!d.has(DATABASE)) {
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error << "database must be specified. ";
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}
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TRI_ASSERT(d.has(DATABASE));
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if (!d.has(INDEX)) {
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error << "index id must be stecified. ";
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}
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TRI_ASSERT(d.has(INDEX));
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if (!error.str().empty()) {
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LOG_TOPIC(ERR, Logger::MAINTENANCE) << "DropIndex: " << error.str();
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_result.reset(TRI_ERROR_INTERNAL, error.str());
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setState(FAILED);
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}
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}
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DropIndex::~DropIndex() {};
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bool DropIndex::first() {
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auto const& database = _description.get(DATABASE);
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auto const& collection = _description.get(COLLECTION);
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auto const& id = _description.get(INDEX);
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VPackBuilder index;
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index.add(VPackValue(_description.get(INDEX)));
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try {
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DatabaseGuard guard(database);
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auto vocbase = &guard.database();
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auto col = vocbase->lookupCollection(collection);
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if (col == nullptr) {
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std::stringstream error;
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error << "failed to lookup local collection " << collection
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<< " in database " << database;
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LOG_TOPIC(ERR, Logger::MAINTENANCE) << "DropIndex: " << error.str();
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_result.reset(TRI_ERROR_ARANGO_DATA_SOURCE_NOT_FOUND, error.str());
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return false;
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}
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// FIXMEMAINTENANCE: Why doing the actual work in a callback?
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Result found = methods::Collections::lookup(
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vocbase, collection, [&](LogicalCollection& coll) {
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LOG_TOPIC(DEBUG, Logger::MAINTENANCE)
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<< "Dropping local index " + collection + "/" + id;
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_result = Indexes::drop(&coll, index.slice());
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});
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if (found.fail()) {
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std::stringstream error;
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error << "failed to lookup local collection " << collection
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<< "in database " + database;
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LOG_TOPIC(ERR, Logger::MAINTENANCE) << "DropIndex: " << error.str();
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_result.reset(TRI_ERROR_ARANGO_INDEX_NOT_FOUND, error.str());
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return false;
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}
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} catch (std::exception const& e) {
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std::stringstream error;
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error << "action " << _description << " failed with exception " << e.what();
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LOG_TOPIC(ERR, Logger::MAINTENANCE) << "DropIndex " << error.str();
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_result.reset(TRI_ERROR_INTERNAL, error.str());
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return false;
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}
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notify();
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return false;
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}
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