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e1411f3911
To be used for freezing mutations or making canonical mutations gently. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
36 lines
1.5 KiB
C++
36 lines
1.5 KiB
C++
/*
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* Copyright (C) 2024-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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#include "mutation_partition.hh"
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#include "mutation.hh"
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//
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// Applies p to the `target` mutation_partition.
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//
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// Commutative when target_schema == p_schema. If schemas differ, data in p which
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// is not representable in target_schema is dropped, thus apply_gently() loses commutativity.
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//
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// Weak exception guarantees.
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// Assumes target and p are not owned by a cache_tracker.
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future<> apply_gently(mutation_partition& target, const schema& target_schema, const mutation_partition& p, const schema& p_schema,
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mutation_application_stats& app_stats);
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future<> apply_gently(mutation_partition& target, const schema& target_schema, mutation_partition_view p, const schema& p_schema,
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mutation_application_stats& app_stats);
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// Use in case the `target` instance and p share the same schema.
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// Same guarantees and constraints as for other variants of apply_gently().
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future<> apply_gently(mutation_partition& target, const schema& target_schema, mutation_partition&& p, mutation_application_stats& app_stats);
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// The apply_gently entry points may yield while applying
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// changes to the `target` mutation partition, therefore they should not
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// be used when atomic application is required, such as when
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// applying changes to memtable, which is done synchronously.
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future<> apply_gently(mutation& target, mutation&& m);
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future<> apply_gently(mutation& target, const mutation& m);
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