69a385fd9d
Schema related files are moved there. This excludes schema files that also interact with mutations, because the mutation module depends on the schema. Those files will have to go into a separate module. Closes #12858
44 lines
1.3 KiB
C++
44 lines
1.3 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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#include "bytes.hh"
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#include "schema/schema_fwd.hh"
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#include "replica/database_fwd.hh"
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#include "bytes_ostream.hh"
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#include <iosfwd>
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// Immutable mutation form which can be read using any schema version of the same table.
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// Safe to access from other shards via const&.
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// Safe to pass serialized across nodes.
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class canonical_mutation {
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bytes_ostream _data;
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public:
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explicit canonical_mutation(bytes_ostream);
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explicit canonical_mutation(const mutation&);
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canonical_mutation(canonical_mutation&&) = default;
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canonical_mutation(const canonical_mutation&) = default;
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canonical_mutation& operator=(const canonical_mutation&) = default;
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canonical_mutation& operator=(canonical_mutation&&) = default;
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// Create a mutation object interpreting this canonical mutation using
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// given schema.
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//
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// Data which is not representable in the target schema is dropped. If this
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// is not intended, user should sync the schema first.
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mutation to_mutation(schema_ptr) const;
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table_id column_family_id() const;
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const bytes_ostream& representation() const { return _data; }
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friend std::ostream& operator<<(std::ostream& os, const canonical_mutation& cm);
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};
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