mirror of
https://github.com/scylladb/scylladb.git
synced 2026-04-23 18:10:39 +00:00
56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
/*
|
|
* Copyright (C) 2019-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "enum_set.hh"
|
|
|
|
namespace db {
|
|
|
|
enum class schema_feature {
|
|
// When set, the schema digest is calculated in a way such that it doesn't change after all
|
|
// tombstones in an empty partition expire.
|
|
// See https://github.com/scylladb/scylla/issues/4485
|
|
DIGEST_INSENSITIVE_TO_EXPIRY,
|
|
COMPUTED_COLUMNS,
|
|
SCYLLA_KEYSPACES,
|
|
SCYLLA_AGGREGATES,
|
|
|
|
// When enabled, schema_mutations::digest() will skip empty mutations (with only tombstones),
|
|
// so that the digest remains the same after schema tables are compacted.
|
|
TABLE_DIGEST_INSENSITIVE_TO_EXPIRY,
|
|
|
|
// When enabled we'll add a new column to the `system_schema.scylla_tables` table.
|
|
GROUP0_SCHEMA_VERSIONING,
|
|
|
|
// Unused. Defined for backward compatibility only
|
|
IN_MEMORY_TABLES,
|
|
|
|
// Per-table tablet options
|
|
TABLET_OPTIONS,
|
|
|
|
// When enabled, `system_schema.keyspaces` will keep three replication values:
|
|
// the initial, the current, and the target replication factor,
|
|
// which reflect the phases of the multi RF change.
|
|
KEYSPACE_MULTI_RF_CHANGE,
|
|
};
|
|
|
|
using schema_features = enum_set<super_enum<schema_feature,
|
|
schema_feature::DIGEST_INSENSITIVE_TO_EXPIRY,
|
|
schema_feature::COMPUTED_COLUMNS,
|
|
schema_feature::SCYLLA_KEYSPACES,
|
|
schema_feature::SCYLLA_AGGREGATES,
|
|
schema_feature::TABLE_DIGEST_INSENSITIVE_TO_EXPIRY,
|
|
schema_feature::GROUP0_SCHEMA_VERSIONING,
|
|
schema_feature::IN_MEMORY_TABLES,
|
|
schema_feature::TABLET_OPTIONS,
|
|
schema_feature::KEYSPACE_MULTI_RF_CHANGE
|
|
>>;
|
|
|
|
}
|