mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 18:39:02 +01:00
547 lines
8.9 KiB
C++
547 lines
8.9 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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namespace ircd::m::dbs::desc
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{
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// Deprecated / dropped columns.
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//
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// These have to be retained for users that have yet to open their
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// database with a newly released schema which has dropped a column
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// from the schema. If the legacy descriptor is not provided here then
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// the database will not know how to open the descriptor in order to
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// conduct the drop.
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extern const ircd::db::descriptor events_auth_events;
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extern const ircd::db::descriptor events_hashes;
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extern const ircd::db::descriptor events_membership;
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extern const ircd::db::descriptor events_origin;
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extern const ircd::db::descriptor events_prev_events;
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extern const ircd::db::descriptor events_prev_state;
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extern const ircd::db::descriptor events_redacts;
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extern const ircd::db::descriptor events_signatures;
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extern const ircd::db::descriptor events__event_auth;
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extern const ircd::db::comparator events__event_auth__cmp;
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extern const ircd::db::prefix_transform events__event_auth__pfx;
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extern const ircd::db::descriptor events__event_bad;
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extern const ircd::db::descriptor events__state_node;
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//
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// Required by RocksDB
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//
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extern const ircd::db::descriptor events__default;
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};
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const ircd::db::prefix_transform
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ircd::m::dbs::desc::events__event_auth__pfx
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{
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"_event_auth",
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nullptr,
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nullptr,
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};
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const ircd::db::comparator
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ircd::m::dbs::desc::events__event_auth__cmp
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{
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"_event_auth",
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nullptr,
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nullptr,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events__event_auth
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{
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// name
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"_event_auth",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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events__event_auth__cmp,
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// prefix transform
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events__event_auth__pfx,
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events__event_bad
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{
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// name
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"_event_bad",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(string_view), typeid(uint64_t)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_auth_events
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{
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// name
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"auth_events",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_hashes
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{
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// name
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"hashes",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_membership
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{
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// name
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"membership",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_origin
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{
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// name
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"origin",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_prev_events
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{
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// name
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"prev_events",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_prev_state
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{
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// name
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"prev_state",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(ircd::string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_redacts
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{
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// name
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"redacts",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events_signatures
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{
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// name
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"signatures",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(uint64_t), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events__state_node
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{
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// name
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"_state_node",
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// explanation
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R"(
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This column is deprecated and has been dropped from the schema. This
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descriptor will erase its presence in the database upon next open.
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)",
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// typing (key, value)
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{
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typeid(ircd::string_view), typeid(ircd::string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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true,
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};
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const ircd::db::descriptor
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ircd::m::dbs::desc::events__default
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{
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// name
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"default",
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// explanation
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R"(This column is unused but required by the database software.
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)",
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// typing (key, value)
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{
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typeid(string_view), typeid(string_view)
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},
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// options
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{},
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// comparator
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{},
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// prefix transform
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{},
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// drop column
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false,
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// cache size
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0_MiB,
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// cache size for compressed assets
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0_MiB,
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// bloom filter bits
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0,
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// expect queries hit
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false,
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};
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//
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// Description vector
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//
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decltype(ircd::m::dbs::desc::events)
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ircd::m::dbs::desc::events
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{
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// Requirement of RocksDB/LevelDB
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events__default,
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//
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// These columns directly represent event fields indexed by event_idx
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// number and the value is the actual event values. Some values may be
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// JSON, like content.
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//
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content,
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depth,
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event_id,
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origin_server_ts,
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room_id,
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sender,
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state_key,
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type,
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//
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// These columns are metadata oriented around the event data.
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//
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// event_id => uint64_t
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// Mapping of event_id to index number.
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event_idx,
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// event_idx => json
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// Mapping of event_idx to full json
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event_json,
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// event_idx | event_idx
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// Reverse mapping of the event reference graph.
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event_refs,
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// event_idx | event_idx
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// Mapping of unresolved event refs.
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event_horizon,
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// origin | sender, event_idx
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// Mapping of senders to event_idx's they are the sender of.
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event_sender,
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// type | event_idx
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// Mapping of type strings to event_idx's of that type.
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event_type,
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// state_key, type, room_id, depth, event_idx
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// Mapping of event states, indexed for application features.
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event_state,
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// (room_id, (depth, event_idx))
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// Sequence of all events for a room, ever.
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room_events,
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// (room_id, (type, depth, event_idx))
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// Sequence of all events by type for a room.
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room_type,
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// (room_id, (origin, user_id))
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// Sequence of all PRESENTLY JOINED joined for a room.
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room_joined,
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// (room_id, (type, state_key)) => (event_idx)
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// Sequence of the PRESENT STATE of the room.
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room_state,
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// (room_id, (type, state_key, depth, event_idx))
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// Sequence of all states of the room.
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room_state_space,
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// (room_id, event_id) => (event_idx)
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// Mapping of all current head events for a room.
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room_head,
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//
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// These columns are legacy; they have been dropped from the schema.
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//
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events_auth_events,
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events_hashes,
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events_membership,
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events_origin,
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events_prev_events,
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events_prev_state,
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events_redacts,
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events_signatures,
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events__event_auth,
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events__event_bad,
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events__state_node,
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};
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