91aac30f12
This patch changes the type of the mutation partition's row_tombstones to be a range_tombstone_list, so that they are now represented as a set of disjoint ranges. All of its usages are updated accordingly. Fixes #1155 Signed-off-by: Duarte Nunes <duarte@scylladb.com>
64 lines
2.0 KiB
C++
64 lines
2.0 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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#pragma once
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#include "atomic_cell.hh"
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#include "tombstone.hh"
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#include "range_tombstone.hh"
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#include "keys.hh"
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class row_marker;
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// Guarantees:
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//
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// - any tombstones which affect cell's liveness are visited before that cell
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//
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// - rows are visited in ascending order with respect to their keys
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//
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// - row header (accept_row) is visited before that row's cells
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//
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// - row tombstones are visited in ascending order with respect to their key prefixes
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//
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// - cells in given row are visited in ascending order with respect to their column IDs
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//
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// - static row is visited before any clustered row
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//
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// - for each column in a row only one variant of accept_(static|row)_cell() is called, appropriate
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// for column's kind (atomic or collection).
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//
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class mutation_partition_visitor {
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public:
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virtual void accept_partition_tombstone(tombstone) = 0;
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virtual void accept_static_cell(column_id, atomic_cell_view) = 0;
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virtual void accept_static_cell(column_id, collection_mutation_view) = 0;
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virtual void accept_row_tombstone(const range_tombstone&) = 0;
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virtual void accept_row(clustering_key_view key, tombstone deleted_at, const row_marker& rm) = 0;
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virtual void accept_row_cell(column_id id, atomic_cell_view) = 0;
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virtual void accept_row_cell(column_id id, collection_mutation_view) = 0;
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};
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