ad8b0649ff
To be used for enabling per-table tablet options. Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* Copyright (C) 2019-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#pragma once
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#include "enum_set.hh"
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namespace db {
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enum class schema_feature {
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// When set, the schema digest is calculated in a way such that it doesn't change after all
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// tombstones in an empty partition expire.
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// See https://github.com/scylladb/scylla/issues/4485
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DIGEST_INSENSITIVE_TO_EXPIRY,
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COMPUTED_COLUMNS,
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SCYLLA_KEYSPACES,
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SCYLLA_AGGREGATES,
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// When enabled, schema_mutations::digest() will skip empty mutations (with only tombstones),
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// so that the digest remains the same after schema tables are compacted.
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TABLE_DIGEST_INSENSITIVE_TO_EXPIRY,
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// When enabled we'll add a new column to the `system_schema.scylla_tables` table.
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GROUP0_SCHEMA_VERSIONING,
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// Unused. Defined for backward compatibility only
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IN_MEMORY_TABLES,
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// Per-table tablet options
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TABLET_OPTIONS,
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};
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using schema_features = enum_set<super_enum<schema_feature,
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schema_feature::DIGEST_INSENSITIVE_TO_EXPIRY,
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schema_feature::COMPUTED_COLUMNS,
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schema_feature::SCYLLA_KEYSPACES,
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schema_feature::SCYLLA_AGGREGATES,
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schema_feature::TABLE_DIGEST_INSENSITIVE_TO_EXPIRY,
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schema_feature::GROUP0_SCHEMA_VERSIONING,
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schema_feature::IN_MEMORY_TABLES,
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schema_feature::TABLET_OPTIONS
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>>;
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}
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