mirror of https://gitee.com/bigwinds/arangodb
112 lines
3.4 KiB
C++
112 lines
3.4 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2017 ArangoDB 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 Simon Grätzer
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGOD_ROCKSDB_ENGINE_COLUMN_FAMILY_H
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#define ARANGOD_ROCKSDB_ENGINE_COLUMN_FAMILY_H 1
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#include "RocksDBEngine/RocksDBCommon.h"
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#include <rocksdb/db.h>
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namespace arangodb {
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/// Globally defined column families. If you do change the number of column
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/// families
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/// consider if there is a need for an upgrade script. Added column families can
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/// be
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/// created automatically by rocksdb. Do check the RocksDB WAL tailing code and
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/// the
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/// counter manager. Maybe the the number of families in the shouldHandle method
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/// needs
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/// to be changed
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struct RocksDBColumnFamily {
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friend class RocksDBEngine;
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static constexpr size_t minNumberOfColumnFamilies = 7;
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static constexpr size_t numberOfColumnFamilies = 7;
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static rocksdb::ColumnFamilyHandle* definitions() { return _definitions; }
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static rocksdb::ColumnFamilyHandle* documents() { return _documents; }
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static rocksdb::ColumnFamilyHandle* primary() { return _primary; }
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static rocksdb::ColumnFamilyHandle* edge() { return _edge; }
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/// unique and non unique vpack indexes (skiplist, permanent indexes)
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static rocksdb::ColumnFamilyHandle* vpack() { return _vpack; }
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static rocksdb::ColumnFamilyHandle* geo() { return _geo; }
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static rocksdb::ColumnFamilyHandle* fulltext() { return _fulltext; }
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static rocksdb::ColumnFamilyHandle* invalid() {
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return rocksutils::defaultCF();
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}
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static char const* columnFamilyName(rocksdb::ColumnFamilyHandle* cf) {
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if (cf == _definitions) {
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return "definitions";
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}
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if (cf == _documents) {
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return "documents";
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}
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if (cf == _primary) {
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return "primary";
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}
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if (cf == _edge) {
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return "edge";
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}
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if (cf == _vpack) {
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return "vpack";
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}
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if (cf == _geo) {
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return "geo";
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}
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if (cf == _fulltext) {
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return "fulltext";
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}
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if (cf == rocksutils::defaultCF()) {
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return "invalid";
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}
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TRI_ASSERT(false);
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return "unknown";
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}
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private:
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// static variables for all existing column families
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// note that these are initialized in RocksDBEngine.cpp
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// as there is no RocksDBColumnFamily.cpp
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static rocksdb::ColumnFamilyHandle* _definitions;
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static rocksdb::ColumnFamilyHandle* _documents;
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static rocksdb::ColumnFamilyHandle* _primary;
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static rocksdb::ColumnFamilyHandle* _edge;
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static rocksdb::ColumnFamilyHandle* _vpack;
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static rocksdb::ColumnFamilyHandle* _geo;
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static rocksdb::ColumnFamilyHandle* _fulltext;
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static std::vector<rocksdb::ColumnFamilyHandle*> _allHandles;
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};
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} // namespace arangodb
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#endif
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