db03295c8a
"Currently data query digest includes cells and tombstones which may have expired or be covered by higher-level tombstones. This causes digest mismatch between replicas if some elements are compacted on one of the nodes and not on others. This mismatch triggers read-repair which doesn't resolve because mutations received by mutation queries are not differing, they are compacted already. The fix adds compacting step before writing and digesting query results by reusing the algorithm used by mutation query. This is not the most optimal way to fix this. The compaction step could be folded with the query writing, there is redundancy in both steps. However such change carries more risk, and thus was postponed. perf_simple_query test (cassandra-stress-like partitions) shows regression from 83k to 77k (7%) ops/s. Fixes #1165."
142 lines
4.4 KiB
C++
142 lines
4.4 KiB
C++
/*
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* Copyright (C) 2015 ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla 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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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <boost/range/adaptor/transformed.hpp>
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#include <boost/range/algorithm/copy.hpp>
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#include <boost/range/algorithm_ext/push_back.hpp>
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#include "partition_slice_builder.hh"
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partition_slice_builder::partition_slice_builder(const schema& schema)
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: _schema(schema)
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{
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_options.set<query::partition_slice::option::send_partition_key>();
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_options.set<query::partition_slice::option::send_clustering_key>();
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_options.set<query::partition_slice::option::send_timestamp>();
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_options.set<query::partition_slice::option::send_expiry>();
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}
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query::partition_slice
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partition_slice_builder::build() {
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std::vector<query::clustering_range> ranges;
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if (_row_ranges) {
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ranges = std::move(*_row_ranges);
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} else {
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ranges.emplace_back(query::clustering_range::make_open_ended_both_sides());
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}
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std::vector<column_id> static_columns;
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if (_static_columns) {
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static_columns = std::move(*_static_columns);
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} else {
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boost::range::push_back(static_columns,
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_schema.static_columns() | boost::adaptors::transformed(std::mem_fn(&column_definition::id)));
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}
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std::vector<column_id> regular_columns;
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if (_regular_columns) {
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regular_columns = std::move(*_regular_columns);
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} else {
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boost::range::push_back(regular_columns,
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_schema.regular_columns() | boost::adaptors::transformed(std::mem_fn(&column_definition::id)));
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}
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return {
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std::move(ranges),
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std::move(static_columns),
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std::move(regular_columns),
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std::move(_options)
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};
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}
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partition_slice_builder&
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partition_slice_builder::with_range(query::clustering_range range) {
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if (!_row_ranges) {
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_row_ranges = std::vector<query::clustering_range>();
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}
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_row_ranges->emplace_back(std::move(range));
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::with_no_regular_columns() {
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_regular_columns = std::vector<column_id>();
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::with_regular_column(bytes name) {
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if (!_regular_columns) {
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_regular_columns = std::vector<column_id>();
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}
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const column_definition* def = _schema.get_column_definition(name);
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if (!def) {
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throw std::runtime_error(sprint("No such column: %s", _schema.regular_column_name_type()->to_string(name)));
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}
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if (!def->is_regular()) {
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throw std::runtime_error(sprint("Column is not regular: %s", _schema.regular_column_name_type()->to_string(name)));
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}
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_regular_columns->push_back(def->id);
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::with_no_static_columns() {
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_static_columns = std::vector<column_id>();
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::with_static_column(bytes name) {
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if (!_static_columns) {
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_static_columns = std::vector<column_id>();
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}
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const column_definition* def = _schema.get_column_definition(name);
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if (!def) {
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throw std::runtime_error(sprint("No such column: %s", utf8_type->to_string(name)));
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}
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if (!def->is_static()) {
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throw std::runtime_error(sprint("Column is not static: %s", utf8_type->to_string(name)));
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}
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_static_columns->push_back(def->id);
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::reversed() {
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_options.set<query::partition_slice::option::reversed>();
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::without_partition_key_columns() {
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_options.remove<query::partition_slice::option::send_partition_key>();
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return *this;
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}
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partition_slice_builder&
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partition_slice_builder::without_clustering_key_columns() {
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_options.remove<query::partition_slice::option::send_clustering_key>();
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return *this;
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}
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