From 3f619478f796eddbba6e39502fe941b285dd97b1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 4 May 2024 20:00:34 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- storage/rocksdb/rdb_cf_options.h | 104 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 104 insertions(+) create mode 100644 storage/rocksdb/rdb_cf_options.h (limited to 'storage/rocksdb/rdb_cf_options.h') diff --git a/storage/rocksdb/rdb_cf_options.h b/storage/rocksdb/rdb_cf_options.h new file mode 100644 index 00000000..360356f7 --- /dev/null +++ b/storage/rocksdb/rdb_cf_options.h @@ -0,0 +1,104 @@ +/* + Copyright (c) 2014, SkySQL Ab + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */ + +#pragma once + +/* C++ system header files */ +#include +#include + +/* RocksDB header files */ +#include "rocksdb/table.h" +#include "rocksdb/utilities/options_util.h" + +/* MyRocks header files */ +#include "./rdb_comparator.h" + +namespace myrocks { + +/* + Per-column family options configs. + + Per-column family option can be set + - Globally (the same value applies to all column families) + - Per column family: there is a {cf_name -> value} map, + and also there is a default value which applies to column + families not found in the map. +*/ +class Rdb_cf_options { + public: + using Name_to_config_t = std::unordered_map; + + Rdb_cf_options(const Rdb_cf_options &) = delete; + Rdb_cf_options &operator=(const Rdb_cf_options &) = delete; + Rdb_cf_options() = default; + + void get(const std::string &cf_name, + rocksdb::ColumnFamilyOptions *const opts); + + void update(const std::string &cf_name, const std::string &cf_options); + + bool init(const rocksdb::BlockBasedTableOptions &table_options, + std::shared_ptr + prop_coll_factory, + const char *const default_cf_options, + const char *const override_cf_options); + + const rocksdb::ColumnFamilyOptions &get_defaults() const { + return m_default_cf_opts; + } + + static const rocksdb::Comparator *get_cf_comparator( + const std::string &cf_name); + + std::shared_ptr get_cf_merge_operator( + const std::string &cf_name); + + void get_cf_options(const std::string &cf_name, + rocksdb::ColumnFamilyOptions *const opts) + MY_ATTRIBUTE((__nonnull__)); + + static bool parse_cf_options(const std::string &cf_options, + Name_to_config_t *option_map); + + private: + bool set_default(const std::string &default_config); + bool set_override(const std::string &overide_config); + + /* Helper string manipulation functions */ + static void skip_spaces(const std::string &input, size_t *const pos); + static bool find_column_family(const std::string &input, size_t *const pos, + std::string *const key); + static bool find_options(const std::string &input, size_t *const pos, + std::string *const options); + static bool find_cf_options_pair(const std::string &input, size_t *const pos, + std::string *const cf, + std::string *const opt_str); + + private: + static Rdb_pk_comparator s_pk_comparator; + static Rdb_rev_comparator s_rev_pk_comparator; + + /* CF name -> value map */ + Name_to_config_t m_name_map; + + /* The default value (if there is only one value, it is stored here) */ + std::string m_default_config; + + rocksdb::ColumnFamilyOptions m_default_cf_opts; +}; + +} // namespace myrocks -- cgit v1.2.3