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c5e4bf51bd
Move mutation-related files to a new mutation/ directory. The names are kept in the global namespace to reduce churn; the names are unambiguous in any case. mutation_reader remains in the readers/ module. mutation_partition_v2.cc was missing from CMakeLists.txt; it's added in this patch. This is a step forward towards librarization or modularization of the source base. Closes #12788
83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#pragma once
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// Not part of atomic_cell.hh to avoid cyclic dependency between types.hh and atomic_cell.hh
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#include "types.hh"
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#include "types/collection.hh"
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#include "atomic_cell.hh"
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#include "atomic_cell_or_collection.hh"
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#include "hashing.hh"
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#include "counters.hh"
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template<>
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struct appending_hash<collection_mutation_view> {
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template<typename Hasher>
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void operator()(Hasher& h, collection_mutation_view cell, const column_definition& cdef) const {
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cell.with_deserialized(*cdef.type, [&] (collection_mutation_view_description m_view) {
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::feed_hash(h, m_view.tomb);
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for (auto&& key_and_value : m_view.cells) {
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::feed_hash(h, key_and_value.first);
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::feed_hash(h, key_and_value.second, cdef);
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}
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});
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}
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};
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template<>
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struct appending_hash<atomic_cell_view> {
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template<typename Hasher>
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void operator()(Hasher& h, atomic_cell_view cell, const column_definition& cdef) const {
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feed_hash(h, cell.is_live());
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feed_hash(h, cell.timestamp());
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if (cell.is_live()) {
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if (cdef.is_counter()) {
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::feed_hash(h, counter_cell_view(cell));
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return;
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}
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if (cell.is_live_and_has_ttl()) {
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feed_hash(h, cell.expiry());
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feed_hash(h, cell.ttl());
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}
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feed_hash(h, cell.value());
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} else {
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feed_hash(h, cell.deletion_time());
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}
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}
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};
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template<>
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struct appending_hash<atomic_cell> {
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template<typename Hasher>
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void operator()(Hasher& h, const atomic_cell& cell, const column_definition& cdef) const {
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feed_hash(h, static_cast<atomic_cell_view>(cell), cdef);
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}
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};
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template<>
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struct appending_hash<collection_mutation> {
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template<typename Hasher>
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void operator()(Hasher& h, const collection_mutation& cm, const column_definition& cdef) const {
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feed_hash(h, static_cast<collection_mutation_view>(cm), cdef);
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}
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};
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template<>
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struct appending_hash<atomic_cell_or_collection> {
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template<typename Hasher>
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void operator()(Hasher& h, const atomic_cell_or_collection& c, const column_definition& cdef) const {
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if (cdef.is_atomic()) {
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feed_hash(h, c.as_atomic_cell(cdef), cdef);
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} else {
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feed_hash(h, c.as_collection_mutation(), cdef);
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}
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}
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};
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