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faa4d8f8c6
commit de1e8c7bfe7c875ea284b55040e8f3cd3a56fcc2
Author: Abhinav Sharma <abhinavsharma@fb.com>
Date: Thu Aug 23 14:34:39 2018 -0700
Log updates to semi-sync whitelist in the error log
Summary:
Plugin variable changes are not logged in the error log even when
log_global_var_changes is enabled. Logging updates to whitelist will help in
debugging.
Reviewed By: guokeno0
Differential Revision: D9483807
fbshipit-source-id: e111cda773d
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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Copyright (c) 2012,2015 Monty Program Ab
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#pragma once
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/* C++ system header files */
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#include <string>
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/* MySQL includes */
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#include "./m_ctype.h"
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/* RocksDB header files */
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#include "rocksdb/comparator.h"
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/* MyRocks header files */
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#include "./rdb_utils.h"
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namespace myrocks {
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/*
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The keys are in form: {index_number} {mem-comparable-key}
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(todo: knowledge about this format is shared between this class and
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Rdb_key_def)
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*/
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class Rdb_pk_comparator : public rocksdb::Comparator {
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public:
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Rdb_pk_comparator(const Rdb_pk_comparator &) = delete;
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Rdb_pk_comparator &operator=(const Rdb_pk_comparator &) = delete;
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Rdb_pk_comparator() = default;
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// extracting from rocksdb::BytewiseComparator()->Compare() for optimization
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int Compare(const rocksdb::Slice &a, const rocksdb::Slice &b) const override {
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return a.compare(b);
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}
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const char *Name() const override { return "RocksDB_SE_v3.10"; }
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// TODO: advanced funcs:
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// - FindShortestSeparator
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// - FindShortSuccessor
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// for now, do-nothing implementations:
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void FindShortestSeparator(std::string *start,
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const rocksdb::Slice &limit) const override {
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rocksdb::BytewiseComparator()->FindShortestSeparator(start, limit);
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}
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void FindShortSuccessor(std::string *key) const override {
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rocksdb::BytewiseComparator()->FindShortSuccessor(key);
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}
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};
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class Rdb_rev_comparator : public rocksdb::Comparator {
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public:
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Rdb_rev_comparator(const Rdb_rev_comparator &) = delete;
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Rdb_rev_comparator &operator=(const Rdb_rev_comparator &) = delete;
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Rdb_rev_comparator() = default;
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// extracting from rocksdb::BytewiseComparator()->Compare() for optimization
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int Compare(const rocksdb::Slice &a, const rocksdb::Slice &b) const override {
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return -a.compare(b);
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}
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const char *Name() const override { return "rev:RocksDB_SE_v3.10"; }
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void FindShortestSeparator(std::string *start,
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const rocksdb::Slice &limit) const override {
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rocksdb::ReverseBytewiseComparator()->FindShortestSeparator(start, limit);
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}
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void FindShortSuccessor(std::string *key) const override {
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rocksdb::ReverseBytewiseComparator()->FindShortSuccessor(key);
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}
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};
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} // namespace myrocks
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